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AirLive SNMP-GSH2416 User Manual

8+16 pure gigabit snmp managed switch
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SNMP-GSH2416
8+16 Pure Gigabit SNMP Managed Switch

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Summary of Contents for AirLive SNMP-GSH2416

  • Page 1 SNMP-GSH2416 8+16 Pure Gigabit SNMP Managed Switch...

  • Page 2: Table Of Contents

    --------------------------------------------28 ANAGEMENT VERVIEW 3-1-1. System Information-----------------------------------------------------------31 3-1-2. IP Configuration ---------------------------------------------------------------33 3-1-3. Time Configuration -----------------------------------------------------------36 3-1-4. Account Configuration -------------------------------------------------------39 3-1-5. Management Policy ----------------------------------------------------------40 3-1-6. Virtual Stack--------------------------------------------------------------------43 3-2. P --------------------------------------------------------------46 ONFIGURATION 3-2-1.Port Status ----------------------------------------------------------------------46 3-2-2. Port Configuration ------------------------------------------------------------52 AirLive SNMP-GSH2416 User’s Manual...
  • Page 3 4-2-1. Global Commands of CLI------------------------------------------------- 148 4-2-2. Local Commands of CLI -------------------------------------------------- 154 CHAPTER 5. MAINTENANCE------------------------------------------------------- 235 5-1. R ------------------------------------------------- 235 ESOLVING ONDITION 5-2. Q&A---------------------------------------------------------------------------------- 235 APPENDIX A TECHNICAL SPECIFICATIONS ---------------------------------- 236 APPENDIX B NULL MODEM CABLE SPECIFICATIONS -------------------- 240 AirLive SNMP-GSH 2416 User's Manual...

  • Page 4: Caution

    European Emission Standard EN55022/EN60555-2 and the Generic European Immunity Standard EN50082-1. EMC: EN55022(1988)/CISPR-22(1985) class A EN60555-2(1995) class A EN60555-3 IEC1000-4-2(1995) 4K V CD, 8KV, AD IEC1000-4-3(1995) 3V/m IEC1000-4-4(1995) 1KV – (power line), 0.5KV – (signal line) AirLive SNMP-GSH2416 User’s Manual...
  • Page 5 About this user’s manual In this user’s manual, it will not only tell you how to install and connect your network system but configure and monitor the SNMP-GSH2416 SNMP Managed Gigabit Switch through the built-in CLI and web by RS-232 serial interface and Ethernet ports step-by-step.

  • Page 6: Chapter 1. Introduction

    1. Introduction 1-1. Overview of SNMP-GSH2416 SNMP Managed Gigabit Switch 24-port Gigabit L2 Managed Switch, is a standard switch that meets all IEEE 802.3/u/x/z Gigabit, Fast Ethernet specifications. The switch included 8-Port 10/100/1000Mbps TP and 16-Port Gigabit SFP Fiber management Ethernet switch.
  • Page 7 Support IGMP version 2 (RFC 2236): The function IGMP snooping is used to establish the multicast groups to forward the multicast packet to the member ports, and, in nature, avoid wasting the bandwidth while IP multicast packets are running over the network. AirLive SNMP-GSH 2416 User's Manual...

  • Page 8: Checklist

    Please notify your sales representative immediately if any of the aforementioned items is missing or damaged. 1-3. Features The SNMP-GSH2416 SNMP Managed Gigabit Switch, a standalone off-the- shelf switch, provides the comprehensive features listed below for users to perform system network administration and efficiently and securely serve your network.
  • Page 9 • Supports remote boot the device through user interface and SNMP • Supports network time synchronization and daylight saving • Supports 120 event log records in the main memory and display on the local console AirLive SNMP-GSH 2416 User's Manual...

  • Page 10: View Of Snmp-Gsh2416 Snmp Managed Gigabit Switch

    1-4. View of SNMP-GSH2416 SNMP Managed Gigabit Switch Fig. 1-1 Full View of 8-Port TP + 16-Port SFP L2 Managed Gigabit Switch 1-4-1. User Interfaces on the Front Panel (Button, LEDs and Plugs) There are 8 TP Gigabit Ethernet ports and 16 SFP fiber ports for optional removable modules on the front panel of the switch.

  • Page 11: User Interfaces On The Rear Panel

    1-4-2. User Interfaces on the Rear Panel One RS-232 DB-9 interface is offered for configuration or management. AC Line 100-240V 50/60 Hz RS-232 DB-9 Connector Fig. 1-3 Rear View of 8-Port TP + 16-Port SFP L2 Managed Gigabit Switch AirLive SNMP-GSH 2416 User's Manual...

  • Page 12: View Of The Optional Modules

    1000Mbps BiDi LC, type 2, SM 20km, SFP Fiber WDM transceiver (SFP.0BL.621.202) ⎯ 1000Mbps LC, SM 10km, SFP Fiber transceiver with DDM (SFP.DLC.212.10) Fig. 1-4 Front View of 1000Base-SX/LX LC, SFP Fiber Transceiver Fig. 1-5 Front View of 1000Base-LX BiDi LC, SFP Fiber Transceiver AirLive SNMP-GSH2416 User’s Manual...

  • Page 13: Chapter 2. Installation

    2. Installation 2-1. Starting SNMP-GSH2416 SNMP Managed Gigabit Switch Up This section will give users a quick start for: Hardware and Cable Installation - Management Station Installation - Software booting and configuration 2-1-1. Hardware and Cable Installation At the beginning, please do first: ⇒...
  • Page 14 After resetting, the bootloader will load the firmware into the memory. It will take about 30 seconds, after that, the switch will flash all the LED once and automatically performs self-test and is in ready state. AirLive SNMP-GSH2416 User’s Manual...

  • Page 15: Installing Chassis To A 19-Inch Wiring Closet Rail

    Then, fix the Chassis by screwing it. 2-1-3. Cabling Requirements To help ensure a successful installation and keep the network performance good, please take a care on the cabling requirement. Cables with worse specification will render the LAN to work poorly. AirLive SNMP-GSH 2416 User's Manual...

  • Page 16: Cabling Requirements For Tp Ports

    200MHz-Km 275m 500MHz-Km 550m Single-mode Fiber 9/125μm 1000Base- Single-mode transceiver 1310nm 10Km LX/LHX/XD/ZX Single-mode transceiver 1550nm 30, 50Km TX(Transmit) 1310nm Single-Mode 1000Base-LX *20Km RX(Receive) 1550nm Single Fiber TX(Transmit) 1550nm (BIDI LC) Single-Mode *20Km RX(Receive) 1310nm Table2-1 AirLive SNMP-GSH2416 User’s Manual...

  • Page 17: Switch Cascading In Topology

    Level 1 switch and connect all other switches to it at Level 2. Server/Host is recommended to connect to the Level 1 switch. This is general if no VLAN or other special requirements are applied. AirLive SNMP-GSH 2416 User's Manual...
  • Page 18 1. The same VLAN members could not be in different switches. 2. Every VLAN members could not access VLAN members each other. 3. The switch manager has to assign different names for each VLAN groups at one switch. AirLive SNMP-GSH2416 User’s Manual...
  • Page 19 VLAN3 members could not access VLAN1, VLAN2 and VLAN4. 4. VLAN4 members could not access VLAN1 and VLAN3 members, but they could access VLAN2 members. Case3a: The same VLAN members can be at different switches with the same VID (See Fig. 2-6). AirLive SNMP-GSH 2416 User's Manual...

  • Page 20: Configuring The Management Agent Of 8-Port Tp + 16-Port Sfp L2 Managed Gigabit Switch

    RS-232 console, CLI, and Web. Users can use any one of them to monitor and configure the switch. You can touch them through the following procedures. Section 2-1-4-1: Configuring the Management Agent of SNMP-GSH2416 SNMP Managed Gigabit Switch through the Serial RS-232 Port...

  • Page 21: Port

    2-1-4-1. Configuring the Management Agent of SNMP-GSH2416 SNMP Managed Gigabit Switch through the Serial RS-232 Port To perform the configuration through RS-232 console port, the switch’s serial port must be directly connected to a DCE device, for example, a PC, through RS-232 cable with DB-9 connector.
  • Page 22 After completing these settings in the switch, it will reboot to have the configuration taken effect. After this step, you can operate the management through the network, no matter it is from a web browser or Network Management System (NMS). Fig. 2-8 the Login Screen for CLI AirLive SNMP-GSH2416 User’s Manual...

  • Page 23: Configuring The Management Agent Of 8-Port Tp + 16-Port Sfp L2 Managed Gigabit Switch Through The Ethernet Port

    2-1-4-2. Configuring the Management Agent of SNMP-GSH2416 SNMP Managed Gigabit Switch through the Ethernet Port There are three ways to configure and monitor the switch through the switch’s Ethernet port. They are CLI, Web browser and SNMP manager. The user interface for the last one is NMS dependent and does not cover here.

  • Page 24: Ip Address Assignment

    And the host identifier must be unique in the same LAN. Here the term of IP address we used is version 4, known as IPv4. 32 bits Network identifier Host identifier Fig. 2-11 IP address structure AirLive SNMP-GSH2416 User’s Manual...
  • Page 25 24-bit network prefix followed 8-bit host address. There are 2,097,152 (2^21)/24 networks able to be defined with a maximum of 254 (2^8 –2) hosts per network. Bit # 0 1 2 3 23 24 Network address Host address AirLive SNMP-GSH 2416 User's Manual...
  • Page 26 For example, an IP address 128.1.2.128, what IP address reserved will be looked like? All 0s mean the network itself, and all 1s mean IP broadcast. 128.1.2.128/25 Network Subnet 10000000.00000001.00000010.1 0000000 25 bits All 0s = 128.1.2.128 1 0000000 1 1111111 All 1s= 128.1.2.255 AirLive SNMP-GSH2416 User’s Manual...
  • Page 27 With the subnet mask, a bigger network can be cut into small pieces of network. If we want to have more than two independent networks in a worknet, a partition to the network must be performed. In this case, subnet mask must be applied. AirLive SNMP-GSH 2416 User's Manual...
  • Page 28 However, user generally uses the name to connect to the server. Thus, the switch DNS client program (such as a browser) will ask the DNS to resolve the IP address of the named server. AirLive SNMP-GSH2416 User’s Manual...

  • Page 29: T Ypical A Pplications

    2-2. Typical Applications The SNMP-GSH2416 SNMP Managed Gigabit Switch L2 Managed Switch implements 8 Gigabit Ethernet TP ports with auto MDIX and 16 slots for the removable module supporting comprehensive fiber types of connection, including LC and BiDi-LC SFP modules. For more details on the specification of the switch, please refer to Appendix A.

  • Page 30: Typical Applications Chapter 3. Operation Of Web-Based Management

    In this login menu, you have to input the complete username and password respectively, the switch will not give you a shortcut to username automatically. This looks inconvenient, but safer. AirLive SNMP-GSH2416 User’s Manual...
  • Page 31 Netscape V7.1 above or FireFox V1.00 above and have the resolution 1024x768. The switch supported neutral web browser interface. In Fig. 3-2, for example, left section is the whole function tree with web user interface and we will travel it through this chapter. Fig. 3-1 AirLive SNMP-GSH 2416 User's Manual...

  • Page 32: Web Management Home Overview

    Version”, “Serial Number”, “Host IP Address”, “Host Mac Address”, “Device Port”, “RAM Size” and “Flash Size”. With this information, you will know the software version used, MAC address, serial number, how many ports good and so on. This is helpful while malfunctioning. Fig. 3-2 AirLive SNMP-GSH2416 User’s Manual...
  • Page 33 Open the function folder, a sub-menu will be shown. The functions of each folder are described in its corresponded section respectively. When clicking it, the function is performed. The following list is the full function AirLive SNMP-GSH 2416 User's Manual...
  • Page 34 Root System Port Mirror Bandwidth SNMP IGMP Snooping Max. Packet Length DHCP Boot VLAN MAC Table GVRP Trunk 802.1X Alarm Configuration Diagnostics TFTP Server Firmware Upgrade Reboot Logout AirLive SNMP-GSH2416 User’s Manual...

  • Page 35: System Information

    You can configure this parameter through the device’s user interface or SNMP. Device name: The name of the switch. User-defined. Default is SNMP-GSH2416. System up time: The time accumulated since this switch is powered up. Its format is day, hour, minute, second.
  • Page 36 It is the Ethernet MAC address of the management agent in this switch. Device Port: Show all types and numbers of the port in the switch. RAM size: The size of the DRAM in this switch. Flash size: The size of the flash memory in this switch. AirLive SNMP-GSH2416 User’s Manual...

  • Page 37: Ip Configuration

    If set this field “Disable”, you’ll have to input IP address manually. For more details about IP address and DHCP, please see the Section 2-1-5 “IP Address Assignment” in this manual. Default: Disable AirLive SNMP-GSH 2416 User's Manual...
  • Page 38 This means any packet with undefined IP address in the routing table will be sent to this device unconditionally. Default: 192.168.1.254 AirLive SNMP-GSH2416 User’s Manual...
  • Page 39 DHCP server while DHCP is enabled. DNS can help you easily remember the mnemonic address name with the meaningful words in it. Default is no assignment of DNS address. Default: 0.0.0.0 AirLive SNMP-GSH 2416 User's Manual...

  • Page 40: Time Configuration

    <Apply> button, the device will reject the time adjustment request. There is no time zone setting in Manual mode. Default: Year = 2000, Month = 1, Day = 1 Hour = 0, Minute = 0, Second = 0 AirLive SNMP-GSH2416 User’s Manual...
  • Page 41 This is used to set when to start performing the day light saving time. Mth: Range is 1 ~ 12. Default: 1 Day: Range is 1 ~ 31. Default: 1 Hour: Range is 0 ~ 23. Default: 0 AirLive SNMP-GSH 2416 User's Manual...
  • Page 42 This is used to set when to stop performing the daylight saving time. Mth: Range is 1 ~ 12. Default: 1 Day: Range is 1 ~ 31. Default: 1 Hour: Range is 0 ~ 23. Default: 0 Fig. 3-5 AirLive SNMP-GSH2416 User’s Manual...

  • Page 43: Account Configuration

    In addition, up to 4 guest accounts can be created. The default setting for user account is: Username : admin Password : admin The default setting for guest user account is: Username : guest Password : guest Fig. 3-6 AirLive SNMP-GSH 2416 User's Manual...

  • Page 44: Management Policy

    Rule 5) : When both “accept and deny” lists exist, then it will deny all connections, excluding the connection inside of the accepting range and NOT inside of the denying range at the same time. Accept Accept Deny Deny| Acc | Deny | Acc | Deny ---------------------------------------------------------------------- AirLive SNMP-GSH2416 User’s Manual...
  • Page 45 The switch supports two kinds of options for managed valid VLAN VID, including “Any” and “Custom”. Default is “Any”. When you choose “Custom”, you can fill in VID number. The valid VID range is 1~4094. AirLive SNMP-GSH 2416 User's Manual...
  • Page 46 <Edit/Create> button. Of course, the existed entry also can be modified by pressing this button. Delete: Remove the existed entry of Management Security Configuration from the management security table. AirLive SNMP-GSH2416 User’s Manual...

  • Page 47: Virtual Stack

    Master device, however, the Master device with the smaller MAC value will be the Master one. All of these 16 devices can become Master device and back up with each other . AirLive SNMP-GSH 2416 User's Manual...
  • Page 48 Default is Master. Group ID: It is the group identifier (GID) which signs for VSM. Valid letters are A-Z, a-z, 0-9, “ “ and “_” characters. The maximal length is 15 characters. AirLive SNMP-GSH2416 User’s Manual...
  • Page 49 Fig. 3-9 AirLive SNMP-GSH 2416 User's Manual...

  • Page 50: Port Configuration

    Auto-Negotiation status, speed/duplex and flow control. An extra media type information for the module port 9 to 24 is also offered (See Fig. 3-11). AirLive SNMP-GSH2416 User’s Manual...
  • Page 51 Fig. 3-10 AirLive SNMP-GSH 2416 User's Manual...
  • Page 52 When in “Disabled” mode, both parties must have the same setting of speed and duplex, otherwise, both of them will not be linked. In this case, the link result is “Down”. Default: Enabled AirLive SNMP-GSH2416 User’s Manual...
  • Page 53 Show each port’s flow control status. There are two types of flow control in Ethernet, Backpressure for half- duplex operation and Pause flow control (IEEE802.3x) for full-duplex operation. The switch supports both of them. Default: Disabled AirLive SNMP-GSH 2416 User's Manual...
  • Page 54 Display the Manufacturer's OUI code which is assigned by IEEE. Vendor Name: Display the company name of the module manufacturer. Vendor P/N: Display the product name of the naming by module manufacturer. Vendor Rev (Revision): Display the module revision. AirLive SNMP-GSH2416 User’s Manual...
  • Page 55 Show the working DC voltage of SFP module. Mon1(Bias) mA: Show the Bias current of SFP module. Mon2(TX PWR): Show the transmit power of SFP module. Mon3(RX PWR): Show the receiver power of SFP module. AirLive SNMP-GSH 2416 User's Manual...

  • Page 56: Port Configuration

    Port State is configurable by the user. There are only two states “Enable” and “Disable” able to choose. If you set a port’s state “Disable”, then that port is prohibited to pass any traffic, even it looks Link up. Default: Enable. AirLive SNMP-GSH2416 User’s Manual...
  • Page 57 When it is set Disable, there will be no flow control in the port. It drops the packet if too much to handle. Default: Enable. AirLive SNMP-GSH 2416 User's Manual...

  • Page 58: Simple Counter

    Display the summary counting of each port’s traffic, including Tx Byte, Rx Byte, Tx Packet, Rx Packet, Tx Collision and Rx Error Packet. Parameters description: Tx Byte: Total transmitted bytes. Rx Byte: Total received bytes. Tx Packet: The counting number of the packet transmitted. AirLive SNMP-GSH2416 User’s Manual...
  • Page 59 Rx Packet: The counting number of the packet received. Tx Collision: Number of collisions transmitting frames experienced. Rx Error Packet: Number of bad packets received. AirLive SNMP-GSH 2416 User's Manual...

  • Page 60: Detail Counter

    Parameter description: Rx Packets: The counting number of the packet received. RX Octets: Total received bytes. Rx High Priority Packets: Number of Rx packets classified as high priority. AirLive SNMP-GSH2416 User’s Manual...
  • Page 61 Number of 512 ~ 1023-byte frames in good and bad packets received. Rx 1024-Bytes: Number of 1024-max_length-byte frames in good and bad packets received. Tx 64 Bytes: Number of 64-byte frames in good and bad packets transmitted. AirLive SNMP-GSH 2416 User's Manual...
  • Page 62 Tx Collisions: Number of collisions transmitting frames experienced. Tx Drops: Number of frames dropped due to excessive collision, late collision, or frame aging. Tx FIFO Drops: Number of frames dropped due to the lack of transmitting buffer. AirLive SNMP-GSH2416 User’s Manual...

  • Page 63: Mirror

    Set up the port for monitoring. Valid port is Port 1~24 and default is Port 1. Monitored Port: Set up the port for being monitored. Just tick the check box ( beside the port x and valid port is Port 1~24. Fig. 3-15 AirLive SNMP-GSH 2416 User's Manual...

  • Page 64: Bandwidth Management

    Data Rate field. Pause frames are also generated if flow control is enabled. The format of the packet limits to unicast, broadcast and multicast. Valid range is 0~1000. AirLive SNMP-GSH2416 User’s Manual...
  • Page 65 Data Rate field. Traffic may be lost if egress buffers run full. The format of the packet limits to unicast, broadcast and multicast. Valid range is 0~1000. AirLive SNMP-GSH 2416 User's Manual...

  • Page 66: Qos(Quality Of Service) Configuration

    QoS function as VLAN Tag Priority mode, and then choose Default Class as High, finally, the priority of the packets with no tag will be considered as High priority precedence. The initial value of the Default Class is High. Fig. 3-17 AirLive SNMP-GSH2416 User’s Manual...
  • Page 67 Parameter description: Port No: User can choose the port (1~24) respectively with Priority Class on Per Port Priority function. Class: User can set up High Priority or Low Priority for each port respectively. Fig. 3-18 AirLive SNMP-GSH 2416 User's Manual...
  • Page 68 User can set up the port (1~24) respectively to let Vlan Tag QoS function work on them. If you would like to set up all ports at a time, user is also allowed to choose “All” in the selection list to simplify the procedure of configuration. AirLive SNMP-GSH2416 User’s Manual...
  • Page 69 0 0 0, 0 0 1, 0 1 0, 0 1 1, 1 0 0, 1 0 1, 1 1 0 and 1 1 1. Class: 8 kinds of traffic as mentioned above, user can set up High Priority or Low Priority for each port respectively. AirLive SNMP-GSH 2416 User's Manual...
  • Page 70 User can set up the port (1~24) respectively to let TOS QoS function work on them. If you would like to set up all ports at a time, user is also allowed to choose “All” in the selection list to simplify the procedure of configuration. AirLive SNMP-GSH2416 User’s Manual...
  • Page 71 8 kinds of traffics, including 0 0 0, 0 0 1, 0 1 0, 0 1 1, 1 0 0, 1 0 1, 1 1 0 and 1 1 1. Class: 8 kinds of traffic as mentioned above, user can set up High Priority or Low Priority for each port respectively. AirLive SNMP-GSH 2416 User's Manual...
  • Page 72 Prioritize web browsing, e-mail, FTP transfers and news: Belong to the QoS in L4. Just tick the option button and press <Apply> < button to have this function taken affect. Then, click Advance >>> button to set up Special TCP/UDP port for QoS. AirLive SNMP-GSH2416 User’s Manual...
  • Page 73 80,280,443,25,110,20,21,69,119,2009 ⎯ Prioritize IP Telephony (VoIP):1718,1719,1720 ⎯ Prioritize iSCSI:3225,3260,3420 ⎯ Prioritize web browsing, e-mail, FTP transfers and news: 80,280,443,25,110,20,21,69,119,2009 ⎯ Prioritize Streaming Audio/Video: 2979,1755,7070,7071,554,8000 ⎯ Prioritize Databases (Oracle, IBM DB2, SQL, Microsoft): 66,1571,1575,523,118,156,3306,1232,1433,1434 AirLive SNMP-GSH 2416 User's Manual...
  • Page 74 Advanced Mode Fig. 3-21 Simple Mode Fig. 3-22 Simple Mode: Press <Simple<<> button is to return to the screen that all L4 port number will disappear (See Fig. 3-22). AirLive SNMP-GSH2416 User’s Manual...
  • Page 75 Used for setting up the IP Differentiated Services Configuration QoS. Diffserv: Display 64 (0~63) DiffServ Priority items. Class: 64 kinds of traffic as we mentioned above, user can set up High Priority or Low Priority for each port respectively. Fig. 3-23 AirLive SNMP-GSH 2416 User's Manual...

  • Page 76: Snmp Configuration

    The community name for each function works independently. Each function has its own community name. Say, the community name for GET only works for GET function and can’t be applied to other function such as SET and Trap. AirLive SNMP-GSH2416 User’s Manual...
  • Page 77 As to the Enterprise (no. 6) trap is classified as private trap, which are listed in the Trap Alarm Configuration function folder. Default for all public traps: Enable. Fig. 3-24 Community and trap host setting AirLive SNMP-GSH 2416 User's Manual...

  • Page 78: Igmp Snooping

    VLAN and non-tagged VLAN networks. Enabling IGMP with either passive or active mode, you can monitor the IGMP snooping information, which contains the multicast member list with the multicast groups, VID and member port. AirLive SNMP-GSH2416 User’s Manual...
  • Page 79 Show all multicast groups IP addresses that are registered on this device. VLAN ID: Show VLAN ID for each multicast group. Member Port: Show member ports that join each multicast group. Member port may be only or more than one. AirLive SNMP-GSH 2416 User's Manual...
  • Page 80 The switch supports two kinds of options for managed valid port range, including “Any” and “Custom”. Default is “Any”. You can select the ports that you would like them to be worked and restricted in the allowed group configuration if ”Custom” had been chosen. AirLive SNMP-GSH2416 User’s Manual...
  • Page 81 <Add> button. Edit: The existed entry also can be modified after pressing <Edit> button. Delete: Remove the existed entry of allowed group configuration from the allowed group. AirLive SNMP-GSH 2416 User's Manual...

  • Page 82: Max. Packet Length

    Jumbo Frame(bytes): Set up the maximum length of the packet that each port of the switch can accept. Maximum length can be up to 1532 bytes or 9216 bytes. The default is 1532 bytes. Fig. 3-27 AirLive SNMP-GSH2416 User’s Manual...

  • Page 83: Dhcp Boot

    The maximum user-defined delay time is 30 sec. If DHCP Broadcasting Suppression function is enabled, the delay time is set randomly, ranging from 0 to 30 seconds, because the exactly delay time is computed by the switch itself. The default is “Disable”. Fig. 3-28 AirLive SNMP-GSH 2416 User's Manual...

  • Page 84: Vlan

    VLAN in Chapter 3. Each tag-based VLAN you built up must be assigned VLAN name and VLAN ID. Valid VLAN ID is 1-4094. User can create total up to 64 Tag VLAN groups. AirLive SNMP-GSH2416 User’s Manual...
  • Page 85 PVID will be added into all packets. Then, these packets will be forwarded as Tag-based VLAN. So, the incoming packets with tag will become the double-tag ones. Fig. 3-29 AirLive SNMP-GSH 2416 User's Manual...
  • Page 86 Except Port 23 and Port 24, each port of the switch cannot transmit packets with each other. Each port groups a VLAN with Port 23 and Port 24, thus, total 22 groups consisting of 3 members are formed. Fig. 3-30 AirLive SNMP-GSH2416 User’s Manual...

  • Page 87: Tag-Based Group

    This is used to enable or disable if a port is a member of the new added VLAN, “Enable” means it is a member of the VLAN. Just tick the check box ( beside the port x to enable it. Fig. 3-31 AirLive SNMP-GSH 2416 User's Manual...
  • Page 88 Just press the <Delete> button to remove the selected group entry from the Tag-based group table. Fig. 3-33 Edit a group: Just select a group entry and press the <Edit> button, then you can modify a group’s description, SYM-VLAN and member set. AirLive SNMP-GSH2416 User’s Manual...

  • Page 89: Port-Based Group

    This is used to enable or disable if a port is a member of the new added VLAN, “Enable” means it is a member of the VLAN. Just tick the check box ( beside the port x to enable it. Fig. 3-34 AirLive SNMP-GSH 2416 User's Manual...
  • Page 90 Just press the <Delete> button to remove the selected group entry from the Port-based group table. Fig. 3-36 Edit a group: Just select a group entry and press the <Edit> button, then you can modify a group‘s description and member set. AirLive SNMP-GSH2416 User’s Manual...

  • Page 91: Tag Rule

    PVID of port 1 to tag this packet, the packet then will be forwarded. But if the PVID of port 1 is 100 and port 1 is not member of VLAN 100, the packet will be dropped. AirLive SNMP-GSH 2416 User's Manual...
  • Page 92 VID of the outgoing packets with tag is the same as the one in the field of Untag VID of this port. Untag VID: Valid range is 1~4094. It works only when Role is set to Hybrid. Fig. 3-37 AirLive SNMP-GSH2416 User’s Manual...

  • Page 93: Mac Table

    Find the entry that meets your setup. Previous Page: Move to the previous page. Next Page: Move to the next page. Alias: The Alias of the searched entry. MAC Address: The MAC address of the searched entry. AirLive SNMP-GSH 2416 User's Manual...
  • Page 94 The port that exists in the searched MAC Entry. VID: VLAN Group that MAC Entry exists. State: Display the method that this MAC Entry is built. It may show “Dynamic MAC” or “Static MAC”. Fig. 3-38 AirLive SNMP-GSH2416 User’s Manual...
  • Page 95 MAC address. Range of MAC Address Aging Time is 10-65535 seconds. The default Aging Time is 300 seconds. Flush: Remove all entries that do not belong to the static Mac Entry from the MAC Table. Fig. 3-39 AirLive SNMP-GSH 2416 User's Manual...
  • Page 96 Port number of the switch. It is 1 ~24. VID: VLAN identifier. This will be filled only when tagged VLAN is applied. Valid range is 1 ~ 4094. Alias: MAC alias name you assign. Fig. 3-40 AirLive SNMP-GSH2416 User’s Manual...
  • Page 97 00 – 40 - C7 - D6 – 00 - 02 VID: VLAN identifier. This will be filled only when tagged VLAN is applied. Valid range is 1 ~ 4094. Alias: MAC alias name you assign. Fig. 3-41 AirLive SNMP-GSH 2416 User's Manual...
  • Page 98 User can click <Create/Edit> button to add a new record with name. As to MAC Alias Delete function is used to let you remove an alias name to a MAC address. You can select an existed MAC address or alias name to remove. Fig. 3-42 AirLive SNMP-GSH2416 User’s Manual...
  • Page 99 00 – 40 - C7 - D6 – 00 - 01 Alias: MAC alias name you assign. Note: If there are too many MAC addresses learned in the table, we recommend you inputting the MAC address and alias name directly. AirLive SNMP-GSH 2416 User's Manual...

  • Page 100: Gvrp Configuration

    VLANs associated with currently active members, and through which ports these members can be reached. In GVRP Configuration function folder, there are three functions supported, including GVRP Config, GVRP Counter and GVRP Group explained below. Fig. 3-43 AirLive SNMP-GSH2416 User’s Manual...
  • Page 101 GVRP BPDU. Default Registrar Mode: The mode here means the type of Registrar. There are three types of parameters for registrar administrative control value, normal registrar, fixed registrar and forbidden registrar, provided for the user’s choice. AirLive SNMP-GSH 2416 User's Manual...
  • Page 102 In this mode, the switch does not create dynamic VLAN when this port received GVRP PDU. Except received dynamic VLAN message of the GVRP PDU is an existed static VLAN in the switch, this port will be added into the static VLAN members dynamically. AirLive SNMP-GSH2416 User’s Manual...
  • Page 103 GARP application. JoinEmpty Message Packets: Number of GARP BPDU with Join Empty message is received by the GARP application. JoinIn Message Packets: Number of GARP BPDU with Join In message is received by the GARP application. AirLive SNMP-GSH 2416 User's Manual...
  • Page 104 Number of GARP BPDU with Join In message is transmitted by the GARP application. LeaveEmpty Message Packets: Number of GARP BPDU with Leave Empty message is transmitted by the GARP application. Empty Message Packets: Number of GARP BPDU with Empty message is transmitted by the GARP application. AirLive SNMP-GSH2416 User’s Manual...
  • Page 105 When you create GVRP group, you can use Administrative Control function to change Applicant Mode and Registrar Mode of GVRP group member. Refresh: Refresh function can help you to see current GVRP group status. Fig. 3-45 AirLive SNMP-GSH 2416 User's Manual...

  • Page 106: Stp Configuration

    0, the bridge will treat the root bridge malfunctioned and issue a Topology Change Notification (TCN) BPDU to all other bridges. AirLive SNMP-GSH2416 User’s Manual...
  • Page 107 STP has been since the last STP Topology Change was made. When Topology Change is initiated again, this counter will be reset to 0. And it will also count again once STP topology Change is completed. Fig. 3-46 AirLive SNMP-GSH 2416 User's Manual...

  • Page 108: Stp Configuration

    If you want to have the SNMP-GSH2416 as root bridge, you can set this value lower than that of bridge in the LAN. The valid value is 0 ~ 61440. The default is 32768.
  • Page 109 Two options are offered for the user’s choosing STP algorithm. One is RSTP and the other is STP. If STP is chosen, RSTP will run as a legacy STP. The switch supports RSTP (802.1w) which is backward compatible with STP (802.1d). Fig. 3-47 AirLive SNMP-GSH 2416 User's Manual...

  • Page 110: Stp Port Configuration

    STP will get the recommended value resulted from auto-negotiation of the link accordingly and display this value in the field of Path Cost Status. Otherwise, it may show the value that the administrator set up in Configured Path Cost and Path Cost Status. AirLive SNMP-GSH2416 User’s Manual...
  • Page 111 Forwarding state. If it is set as True, the port is treated as point- to-point link by RSTP and unconditionally transited to Forwarding state. If it is set as False, fast transition to Forwarding state will not happen on this port. Default: Auto AirLive SNMP-GSH 2416 User's Manual...
  • Page 112 STP BPDU at the next transmission. The only benefit of this operation is to make the port quickly get back to act as an RSTP port. Click <M Check> button to send a RSTP BPDU from the port you specified. Fig. 3-48 AirLive SNMP-GSH2416 User’s Manual...

  • Page 113: Trunking Configuration

    “real trunked” group. An LACP trunk group with only one or less than one ready member-ports is not a “real trunked” group. Any Static trunk group is a “real trunked” group. AirLive SNMP-GSH 2416 User's Manual...
  • Page 114 14 ports all use LACP Trunk Group ID 1 at most 12 ports can aggregate together and transit into the ready state. A port using the “None“ trunking method or Group ID 0 will be automatically set to use the “None” trunking method with Group ID 0. AirLive SNMP-GSH2416 User’s Manual...
  • Page 115 An Active LACP port begins to send LACPDU to its link partner right after the LACP protocol entity started to take control of this port. Passive: A Passive LACP port will not actively send LACPDU out before it receives an LACPDU from its link partner. AirLive SNMP-GSH 2416 User's Manual...
  • Page 116 This field represents the trunking status of a port which uses a trunking method other than “None”. It also represents the management link status of a port which uses the “None” trunking method. “---“ means “not ready” Fig.3-49 AirLive SNMP-GSH2416 User’s Manual...
  • Page 117 Method: Show the method a port uses to aggregate with other ports. Member Ports: Show all member ports of an aggregator (port). Ready Ports: Show only the ready member ports within an aggregator (port). Fig.3-50 AirLive SNMP-GSH 2416 User's Manual...
  • Page 118 Show the key value of the aggregator. The key value is determined by the LACP protocol entity and can’t be set through management. Trunk Status: Show the trunk status of a single member port.”---“ means “not ready” Fig. 4-51 AirLive SNMP-GSH2416 User’s Manual...
  • Page 119 System Identifier for this purpose. A system ID is a 64-bit field comprising a 48-bit MAC Address and 16-bit priority value. The System Priority can be set by the user. Its range is from 1 to 65535. Default: 32768 Fig.3-52 AirLive SNMP-GSH 2416 User's Manual...

  • Page 120: Configuration

    MAC bridge, at any time. Authentication server: A device provides authentication service, through EAP, to an authenticator by using authentication credentials supplied by the supplicant to determine if the supplicant is authorized to access the network resource. AirLive SNMP-GSH2416 User’s Manual...
  • Page 121 C via the switch. If there are two switches directly connected together instead of single one, for the link connecting two switches, it may have to act two port roles at the end of the link: authenticator and supplicant, because the traffic is bi-directional. AirLive SNMP-GSH 2416 User's Manual...
  • Page 122 PAE. As per the value of the type field in message PDU, the authentication server knows which algorithm should be applied to authenticate the credential information, EAP-MD5 (Message Digest 5) or EAP-OTP (One Time Password) or other else algorithm. AirLive SNMP-GSH2416 User’s Manual...
  • Page 123 Authentication server, the port you are using is set to be unauthorized. Bridge Radius Server Port connect Access blocked EAPOL-Start EAPOL Radius Authenticator EAP-Request/Identity Radius-Access-Request EAP-Response/Identity Radius-Access-Challenge EAP-Request Radius-Access-Request EAP-Response (cred) Radius-Access-Accept EAP-Success EAP-Failure EAP-Logoff Access allowed Fig. 3-55 AirLive SNMP-GSH 2416 User's Manual...
  • Page 124 Port Control Authentication Port Status Disable Don’t Care Don’t Care Port Uncontrolled Multihost Auto Successful Port Authorized Multihost Auto Failure Port Unauthorized Multihost ForceUnauthorized Don’t Care Port Unauthorized Multihost ForceAuthorized Don’t Care Port Authorized Table 3-3 AirLive SNMP-GSH2416 User’s Manual...
  • Page 125 1 – 31 characters. The character string may contain upper case, lower case and 0-9. It is character sense. It is not allowed for putting a blank between any two characters. Default: Radius Fig. 3-56 AirLive SNMP-GSH 2416 User's Manual...
  • Page 126 802.1X with Multi-host In Multi-host mode, for the devices connected to this port, once a supplicant is authorized, the devices connected to this port can access the network resource through this port. Fig. 3-57 AirLive SNMP-GSH2416 User’s Manual...
  • Page 127 802.1X Port Mode Configuration, Devices can access the network through this port once the authenticator is authorized. The Port Status will show the following screen. If the port is granted to access the network, the port status is authorized, otherwise, unauthorized. Fig. 3-58 AirLive SNMP-GSH 2416 User's Manual...
  • Page 128 A time period to transmitted EAPOL PDU between the authenticator and the supplicant. Default: 30 Quiet Period(0-65535 s): A period of time during which we will not attempt to access the supplicant. Deafult: 60 seconds AirLive SNMP-GSH2416 User’s Manual...
  • Page 129 A timeout condition in the exchange between the authenticator and the supplicant. The valid range: 1 –65535. Default: 30 seconds. serverTimeout(1-65535 s): A timeout condition in the exchange between the authenticator and the authentication server. The valid range: 1 –65535. Default: 30 seconds Fig. 3-59 AirLive SNMP-GSH 2416 User's Manual...

  • Page 130: Alarm Configuration

    LACP: LACP Disabled, LACP Enabled, LACP Member Added, LACP Port Failure GVRP: GVRP Disabled, GVRP Enabled VLAN: VLAN Disabled, Port-based VLAN Enabled, Tag-based VLAN Enabled, Metro-mode Vlan Enabled, Double-tag Vlan Enabled Module Swap: Module Inserted, Module Removed AirLive SNMP-GSH2416 User’s Manual...
  • Page 131 Then, please click <Apply> button to complete the alarm configuration. It will take effect in a few seconds. Note: SMS may not work in your mobile phone system. It is customized for different systems. AirLive SNMP-GSH 2416 User's Manual...
  • Page 132 SMS Server: the IP address of the server transferring your SMS. Username: your username in ISP. Password: your username in ISP. Mobile Phone 1-6: the mobile phone number that would like to receive the alarm message. Fig. 3-61 AirLive SNMP-GSH2416 User’s Manual...

  • Page 133: Configuration

    <Apply> button. User Configuration: It is the configuration file for the specified or backup purposes and can be updated while having confirmed the configuration. You can retrieve it by performing Restore User Configuration. Fig. 3-62 AirLive SNMP-GSH 2416 User's Manual...

  • Page 134: Save/Restore

    Function description: Save the current configuration as a start configuration file in flash memory. Fig. 3-63 Function name: Save As User Configuration Function description: Save the current configuration as a user configuration file in flash memory. AirLive SNMP-GSH2416 User’s Manual...
  • Page 135 Fig. 3-64 AirLive SNMP-GSH 2416 User's Manual...
  • Page 136 Restore Default Configuration function can retrieve the ex-factory setting to replace the start configuration. However, the switch’s current IP address that the user set up will not be changed and will NOT be restored to 192.168.1.1 as well. AirLive SNMP-GSH2416 User’s Manual...
  • Page 137 Fig. 3-66 AirLive SNMP-GSH 2416 User's Manual...
  • Page 138 When completing to restore the configuration, the system’s start configuration is updated and will be changed its system settings after rebooting the system. Fig. 3-67 AirLive SNMP-GSH2416 User’s Manual...

  • Page 139: Config File

    Export Save As User’s config file stored in the flash. Import File Path: Import Start: Import Save As Start’s config file stored in the flash. Import User-Conf: Import Save As User’s config file stored in the flash. Fig. 3-68 AirLive SNMP-GSH 2416 User's Manual...

  • Page 140: Diagnostics

    Diagnostics function provides a set of basic system diagnosis. It let users know that whether the system is health or needs to be fixed. The basic system check includes EEPROM test, UART test, DRAM test and Flash test. Fig. 3-69 AirLive SNMP-GSH2416 User’s Manual...
  • Page 141 If they all are ok, it just shows OK. Note: Whatever you choose Internal Loopback Test or External Loopback Test, these two functions will interfere with the normal system working, and all packets in sending and receiving also will stop temporarily. Fig. 3-70 AirLive SNMP-GSH 2416 User's Manual...
  • Page 142 Parameter description: IP Address: An IP address with the version of v4, e.g. 192.168.1.1. Default Gateway: IP address of the default gateway. For more details, please see the section of IP address in Chapter 2. Fig. 3-71 AirLive SNMP-GSH2416 User’s Manual...

  • Page 143: Tftp Server

    Set up IP address of TFTP server. Parameter description: Specify the IP address where the TFTP server locates. Fill in the IP address of your TFTP server, then press <Apply> button to have the setting taken effect. Fig. 3-72 AirLive SNMP-GSH 2416 User's Manual...

  • Page 144: Log

    Display the order number that the trap happened. Time: Display the time that the trap happened. Events: Display the trap event name. Auto Upload Enable: Switch the enabled or disabled status of the auto upload function. AirLive SNMP-GSH2416 User’s Manual...
  • Page 145 Upload Log: Upload log data through tftp. Clear Log: Clear log data. AirLive SNMP-GSH 2416 User's Manual...

  • Page 146: Firmware Upgrade

    Note: Software upgrade is hazardous if power is off. You must do it carefully. Parameter description: TFTP Server: A TFTP server stored the image file you want to upgrade. Path and Filename: File path and filename stored the image file you want to upgrade. Fig. 3-74 AirLive SNMP-GSH2416 User’s Manual...

  • Page 147: Reboot

    It will take around thirty (30) seconds to complete the system boot. Parameter description: Save and Reboot: Save the current settings as start configuration before rebooting the switch. Reboot: Reboot the system directly. Fig. 3-75 AirLive SNMP-GSH 2416 User's Manual...

  • Page 148: Logout

    Auto Logout: Default is ON. If it is “ON”, and no action and no key is stroke as well in any function screen more than 3 minutes, the switch will have you logout automatically. Fig. 3-76 AirLive SNMP-GSH2416 User’s Manual...

  • Page 149: Chapter 4. Operation Of Cli Management

    As to the latter, it means you behave as a guest and are only allowed to view the system without the permission to do any setting for this switch. AirLive SNMP-GSH 2416 User's Manual...
  • Page 150 Fig. 4-1 Fig. 4-2 AirLive SNMP-GSH2416 User’s Manual...

  • Page 151: Commands Of Cli

    For example, “show” in IP mode performs displaying the IP information; however, it performs displaying the system information in system mode. For more details, please refer to Section 4-2-2. Fig. 4-3 AirLive SNMP-GSH 2416 User's Manual...

  • Page 152: Global Commands Of Cli

    When you enter this command, your current position would move back to the previous mode. If you use this command in the top mode, you are still in the position of the top mode. Argument: None. Possible value: None. Example: SNMP-GSH2416# trunk SNMP-GSH2416(trunk)# exit SNMP-GSH2416# AirLive SNMP-GSH2416 User’s Manual...
  • Page 153 Show available commands history Show a list of previously run commands logout Logout the system save start Save as start config save user Save as user config restore default Restore default config restore user Restore user config AirLive SNMP-GSH 2416 User's Manual...
  • Page 154 3. SNMP-GSH2416(trunk)# exit 4. SNMP-GSH2416# 5. ? 6. trunk 7. exit 8. alarm 9. events 10. end 11. ip 12. help 13. ip 14. history SNMP-GSH2416(ip)# history 3 Command history: 13. ip 14. history 15. history 3 SNMP-GSH2416(ip)# AirLive SNMP-GSH2416 User’s Manual...
  • Page 155 After rebooting, the entire startup configuration would reset to factory default. Argument: None. Possible value: None. Example: SNMP-GSH2416# restore default Restoring ... Restore Default Configuration Successfully Press any key to reboot system. AirLive SNMP-GSH 2416 User's Manual...
  • Page 156 CLI would save your current configuration into the non-volatile FLASH. If you want the configuration still works after rebooting, save the configuration using the command ‘save stat’. Argument: None. Possible value: None. Example: SNMP-GSH2416# save start Saving start... Save Successfully SNMP-GSH2416# AirLive SNMP-GSH2416 User’s Manual...
  • Page 157 To save the current configuration as the user-defined configuration. When you enter this command, the CLI would save your current configuration into the non-volatile FLASH as user-defined configuration. Argument: None. Possible value: None. Example: SNMP-GSH2416# save user Saving user... Save Successfully SNMP-GSH2416# AirLive SNMP-GSH 2416 User's Manual...

  • Page 158: Local Commands Of Cli

    <port range> : syntax 1,5-7, available from 1 to 24 <times>: max-times , range 1-10 Possible value: <port range> : 1 to 24 <times>: 1-10, default is 2 Example: SNMP-GSH2416(802.1X)# set max-request 2 2 set mode Syntax: set mode <port-range> <mode> Description: To set up the 802.1X mode of each port.
  • Page 159 2:Auto Possible value: <port range> : 1 to 24 <authorized> : 0, 1 or 2 Example: SNMP-GSH2416(802.1X)# set port-control 2 2 set quiet-period Syntax: set quiet-period <port-range> <sec> Description: A timer used by the Authenticator state machine to define periods of time during when it will not attempt to acquire a Supplicant.
  • Page 160 <max> : max. value , range 1-10 Possible value: <port range> : 1 to 24 <max> : 1-10, default is 2 Example: SNMP-GSH2416(802.1X)# set reAuthMax 2 2 set reAuthPeriod Syntax: set reAuthPeriod <port-range> <sec> Description: A constant that defines a nonzero number of seconds between periodic reauthentication of the supplicant.
  • Page 161 <secret-key> : set up the value of secret-key, and the length of secret-key is from 1 to 31 Possible value: <port-number> : 1~65535, default is 1812 Example: SNMP-GSH2416(802.1X)# set state 192.168.1.115 1812 WinRadius set suppTimeout Syntax: set suppTimeout <port-range> <sec> Description:...
  • Page 162 Possible value: None. Example: SNMP-GSH2416(802.1X)# show parameter port 1) port control : Auto reAuthMax txPeriod : 30 Quiet Period : 60 reAuthEnabled : ON reAuthPeriod : 3600 max. Request : 2 suppTimeout : 30 serverTimeout : 30 AirLive SNMP-GSH2416 User’s Manual...
  • Page 163 Disable Disable Disable show state Syntax: show state Description: Show the Radius server configuration Argument: None. Possible value: None. Example: SNMP-GSH2416(802.1X)# show state Radius Server: 192.168.1.115 Port Number : 1812 Secret Key : WinRadius account AirLive SNMP-GSH 2416 User's Manual...
  • Page 164 A string must be at least 5 character. Example: SNMP-GSH2416(account)# add aaaaa Password: Confirm Password: Save Successfully SNMP-GSH2416(account)# Syntax: del <name> Description: To delete an existing account. Argument: <name> : existing user account Possible value: None. Example: SNMP-GSH2416(account)# del aaaaa Account aaaaa deleted AirLive SNMP-GSH2416 User’s Manual...
  • Page 165 Username changed successfully. Password changed successfully. show Syntax: show Description: To show system account, including account name and identity. Argument: None. Possible value: None. Example: SNMP-GSH2416(account)# show Account Name Identity ----------------- --------------- admin Administrator guest guest AirLive SNMP-GSH 2416 User's Manual...
  • Page 166 <#> <mail address> Description: To set up the email address. Argument: <#> :email address number, range: 1 to 6 <mail address>:email address Possible value: <#>: 1 to 6 Example: SNMP-GSH2416(alarm-email)# set mail-address 1 abc@mail.abc.com AirLive SNMP-GSH2416 User’s Manual...
  • Page 167 Description: To set up the account and password of the email server. Argument: <username>: email server account and password Possible value: None. Example: SNMP-GSH2416 (alarm-email)# set user admin show Syntax: show Description: To display the configuration of e-mail. Argument: None.
  • Page 168 To disable email, sms and trap of events. Argument: <range>:del the range of events, syntax 1,5-7 Possible value: <range>: 1~23 Example: SNMP-GSH2416(alarm-events)# del all 1-3 del email Syntax: del email <range> Description: To disable the email of the events. Argument: <range>:del the range of email, syntax 1,5-7...
  • Page 169 To disable the trap of the events. Argument: <range>:del the range of trap, syntax 1,5-7 Possible value: <range>: 1~23 Example: SNMP-GSH2416(alarm-events)# del trap 1-3 set all Syntax: set all <range> Description: To enable email, sms and trap of events. Argument: <range>:set the range of events, syntax 1,5-7...
  • Page 170 Description: To enable the sms of the events. Argument: <range>:set the range of sms, syntax 1,5-7 Possible value: <range>: 1~23 Example: SNMP-GSH2416(alarm-events)# set sms 1-3 set trap Syntax: set trap <range> Description: To enable the trap of the events. Argument: <range>:set the range of trap, syntax 1,5-7...
  • Page 171 14 LACP Port Failure 15 GVRP Disabled 16 GVRP Enabled 17 VLAN Disabled 18 Port-based Vlan Enabled 19 Tag-based Vlan Enabled 20 Metro-mode Vlan Enabled 21 Double-tag Vlan Enabled 22 Module Inserted 23 Module Removed AirLive SNMP-GSH 2416 User's Manual...
  • Page 172 To delete sms phone number. Argument: <#>: mobile phone number, range: 1 to 6 Possible value: <#>: 1 to 6 Example: SNMP-GSH2416(alarm-sms)# del phone-number 3 del server-user Syntax: del server-user Description: To delete sms server, user account and password. Argument: None.
  • Page 173 Argument: <#>: mobile phone number, range: 1 to 6 <phone-number>: phone number Possible value: <#>: 1 to 6 Example: SNMP-GSH2416(alarm-sms)# set phone-number 1 0968777777 set server Syntax: set server <ip> Description: To set up the IP address of sms server.
  • Page 174 To set up the timer of autologout. Argument: <time>: range 1 to 3600 seconds, 0 for autologout off, current setting is 180 seconds. Possible value: <time>: 0,1-3600 Example: SNMP-GSH2416# autologout 3600 Set autologout time to 3600 seconds AirLive SNMP-GSH2416 User’s Manual...
  • Page 175 To cancel the egress-rate of the port. Argument: <range>:syntax 1,5-7, available from 1 to 24 Possible value: <range>: 1 to 24 Example: SNMP-GSH2416(bandwidth)# disable egress-rate 1-8 disable ingress-rate Syntax: disable ingress-rate <range> Description: To cancel the Ingress-rate of the port.
  • Page 176 <range>:syntax 1,5-7, available from 1 to 24 <data_rate>: 0-1000 Possible value: <range>: 1 to 24 <data_rate>: 0-1000 Example: SNMP-GSH2416(bandwidth)# enable egress-rate 1-16 200 enable ingress-rate Syntax: enable ingress-rate <range> <data_rate> Description: To set up the Ingress-rate of the ports. Argument: <range>:syntax 1,5-7, available from 1 to 24...
  • Page 177 Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled ...(q to quit) Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled AirLive SNMP-GSH 2416 User's Manual...
  • Page 178 To run the export user-conf function. Argument: None Possible value: None Example: SNMP-GSH2416(config-file)# export user-conf Export successful. import start Syntax: import start Description: To run the import start function. Argument: None. Possible value: None. Example: SNMP-GSH2416(config-file)# import start Import successful. AirLive SNMP-GSH2416 User’s Manual...
  • Page 179 To set up the filepath and filename that will be exported. Argument: <filepath>:filepath and filename Possible value: <filepath>:filepath and filename Example: SNMP-GSH2416(config-file)# set export-path log/21511.txt set import-path Syntax: set import-path <filepath> Description: To set up the filepath and filename that will be imported.
  • Page 180 Syntax: show Description: To display the config-file information. Argument: None. Possible value: None. Example: SNMP-GSH2416(config-file)# show TFTP Server IP Address: 192.168.3.111 Export Path and Filename: nmap/123.ts Import Path and Filename: user123.txt AirLive SNMP-GSH2416 User’s Manual...
  • Page 181 To set up the delay time for DHCP Boot. Argument: <sec>:range syntax: 0, 1-30. The value “0” is to disable dhcp-boot delay Possible value: <sec>:0-30 Example: SNMP-GSH2416(dhcp-boot)# set dhcp-boot 30 show Syntax: show Description: To display the status of DHCP Boot.
  • Page 182 To confirm that whether the remote end-station or switch itself is alive or not. Argument: <ip> : ip address or domain name Possible value: IP address, e.g. 192.168.2.65 or domain name, e.g. tw.yahoo.com Example: SNMP-GSH2416(diag)# ping 192.168.1.115 Gateway : 192.168.1.253 192.168.1.115 is alive. AirLive SNMP-GSH2416 User’s Manual...
  • Page 183 To set up the image file that will be upgraded. Argument: <filepath>: upgrade file path Possible value: <filepath>: upgrade file path Example: SNMP-GSH2416(firmware)# set upgrade-path gs2124c_SNMP- GSH2416_v2.03.img show Syntax: show Description: To display the information of tftp server and upgrade-path.
  • Page 184 <group number>: enter which gvrp group you had created, using value is vid. Available range: 1 to 4094 Possible value: <group number>: 1~4094 Example: SNMP-GSH2416(gvrp)# show group GVRP group information Current Dynamic Group Number: 1 VID Member Port ---- -------------------------------------------------- AirLive SNMP-GSH2416 User’s Manual...
  • Page 185 SNMP-GSH2416(gvrp)# group 2 SNMP-GSH2416(gvrp-group-2)# set applicant 1-6 non-participant SNMP-GSH2416(gvrp-group-2)# show GVRP group VID: 2 Port Applicant Registrar ---- --------------- --------- Non-Participant Normal Non-Participant Normal Non-Participant Normal Non-Participant Normal Non-Participant Normal Non-Participant Normal Normal Normal Normal Normal Normal Normal Normal Normal...
  • Page 186 <normal>: set applicant as normal mode <non-participant>: set applicant as non-participant mode Possible value: <range>: 1 to 24 <normal|non-participant>: normal or non-participant Example: SNMP-GSH2416(gvrp)# set applicant 1-10 non-participant set registrar Syntax: set registrar <range> <normal|fixed|forbidden> Description: To set default registrar mode for each port.
  • Page 187 <enable>: set restricted enabled <disable>: set restricted disabled Possible value: <range>: 1 to 24 <enable|disable>: enable or disable Example: SNMP-GSH2416(gvrp)# set restricted 1-10 enable SNMP-GSH2416(gvrp)# show config GVRP state: Enable Port Join Time Leave Time LeaveAll Time Applicant Registrar Restricted...
  • Page 188 Leave Time must equal double Join Time at least. Possible value: <range> : 1 to 24 <join>: 20 to 100 <leave>: 60 to 300 <leaveall>: 1000 to 5000 Example: SNMP-GSH2416(gvrp)# set timer 2-8 25 80 2000 show config Syntax: show config Description: To display the gvrp configuration. Argument: None.
  • Page 189 Description: To display the counter number of the port. Argument: <port>: port number Possible value: <port>: available from 1 to 24 Example: SNMP-GSH2416(gvrp)# show counter 2 GVRP Counter port: 2 Counter Name Received Transmitted -------------------- -------- ----------- Total GVRP Packets...
  • Page 190 <port-range>: syntax 1,5-7, available from 1 to 24 Possible value: <ip-multicast>: ex: 224.1.1.1-225.2.3.3 or any <vid>: 0-4094 or any <port-range>: 1 to 24 Example: SNMP-GSH2416(igmp-snooping)# add allowed-group 224.1.1.1-225.2.3.3 100 1-10 del allowed-group Syntax: del allowed-group <index> Description: To remove the entry of allowed ip multicast group Argument: <index>: the index of the allowed-group.
  • Page 191 To set up the mode of IGMP Snooping. Argument: <status>: 0:disable, 1:active, 2:passive Possible value: <status>: 0,1or 2 Example: SNMP-GSH2416(igmp-snooping)# set mode 2 show igmp-snooping Syntax: show igmp-snooping Description: To display IGMP snooping mode and allowed IP multicast entry. Argument: None.
  • Page 192 <manual|auto> : manual or auto Example: SNMP-GSH2416(ip)# enable dhcp manual set dns Syntax: set dns <ip> Description: To set the IP address of DNS server. Argument: <ip> : dns ip address Possible value: 168.95.1.1 Example: SNMP-GSH2416 (ip)# set dns 168.95.1.1 AirLive SNMP-GSH2416 User’s Manual...
  • Page 193 Possible value: <ip> : 192.168.1.2 or others <mask> : 255.255.255.0 or others <gateway> : 192.168.1.253 or others Example: SNMP-GSH2416(ip)# set ip 192.168.1.2 255.255.255.0 192.168.1.253 show Syntax: show Description: To display the system’s DHCP function state, IP address, subnet mask, default gateway, DNS mode, DNS server IP address and current IP address.
  • Page 194 Description: To disable the auto-upload function. Argument: None. Possible value: None. Example: SNMP-GSH2416(log)# disable auto-upload enable auto-upload Syntax: enable auto-upload Description: To enable the auto-upload function. Argument: None. Possible value: None. Example: SNMP-GSH2416(log)# enable auto-upload AirLive SNMP-GSH2416 User’s Manual...
  • Page 195 3) Wed Apr 13 11:58:31 2005 Login [admin] 4) Wed Apr 13 11:19:45 2005 Login [admin] 5) Wed Apr 13 11:19:37 2005 Logout [admin] upload Syntax: upload Description: To upload log data through tftp. Argument: None. Possible value: None. Example: SNMP-GSH2416(log)# upload AirLive SNMP-GSH 2416 User's Manual...
  • Page 196 To set up the mac alias entry. Argument: <mac> : mac address, format: 00-02-03-04-05-06 <alias> : mac alias name, max. 15 characters Possible value: None. Example: SNMP-GSH2416(mac-table-alias)# set 00-44-33-44-55-44 www show Syntax: show Description: To display the mac alias entry. Argument: None.
  • Page 197 <vid> : vlan id, from 1 to 4094; '?' as don't care, 0 as untagged Possible value: <port> :1 to 24 <vid> : 0, 1 ~4094 Example: SNMP-GSH2416(mac-table-information)# search 1-24 ??-??-??-??-??-?? ? MAC Table List Alias MAC Address Port VID State...
  • Page 198 Argument: <#>: age-timer in seconds, 0, 10 to 65535. The value “0” means to disable aging Possible value: <#>: 0, 10 to 65535. Example: SNMP-GSH2416(mac-table-maintain)# set aging 300 set flush Syntax: set flush Description: To delete all of the MACs that is learned dynamically.
  • Page 199 Possible value: <mac> : mac address <port> : 0-24 <vid> : 0, 1-4094 [alias] : mac alias name Example: SNMP-GSH2416(mac-table-static-mac)# add 00-02-03-04-05-06 3 0 aaa Syntax: del <mac> <vid> Description: To remove the static mac entry. Argument: <mac> : mac address, format: 00-02-03-04-05-06 <vid>...
  • Page 200 Syntax: show forward Description: To display the static forward table. Argument: None. Possible value: None. Example: SNMP-GSH2416(mac-table-static-mac)# show forward Static Forwarding Etnry: (Total 1 item(s)) 1) mac: 00-02-03-04-05-06, port: 3, vid: -, alias: aaa AirLive SNMP-GSH2416 User’s Manual...
  • Page 201 [<type> <value>] For example, h(ttp),s(nmp),t(elnet) or any. <action> <value> No default and it must be set. Example: SNMP-GSH2416(management-add)# set name Mary vid 20 ip 192.168.1.1- 192.168.1.90 port 2-5,8 type h,s action a SNMP-GSH2416(management-add)# show #: 1 Name : Mary VlanID : 20 IP : 192.168.1.1-192.168.1.90...
  • Page 202 Possible value: None. Example: SNMP-GSH2416(management)# show #: 1 Name : Tom VlanID : 2 IP : 192.168.1.30-192.168.1.80 Type : SNMP Action : Deny Port : 1,2 SNMP-GSH2416(management)# delete 1 SNMP-GSH2416(management)# show Security rule list is empty now AirLive SNMP-GSH2416 User’s Manual...
  • Page 203 For example, h(ttp),s(nmp),t(elnet) or any <action> <value> No default and it must be set. Example: SNMP-GSH2416(management)# edit 1 SNMP-GSH2416(management-edit-1)# set name Tom vid 2 ip 192.168.1.30- 192.168.1.80 port 1-2 type s action d SNMP-GSH2416(management-edit-1)# show #: 1 Name : Tom VlanID : 2 IP : 192.168.1.30-192.168.1.80...
  • Page 204 Description: To show the specific management policy record. Argument: None. Possible value: None. Example: SNMP-GSH2416(management)# show #: 1 Name : Tom VlanID : 2 IP : 192.168.1.30-192.168.1.80 Type : SNMP Action : Deny Port : 1,2 AirLive SNMP-GSH2416 User’s Manual...
  • Page 205 <range>: port range, syntax 1,5-7, available from 1 to 24 <length (bytes)>: maximum packet length Possible value: <range> : 1 to 24 <length (bytes)>: 1518/1532/9216 Example: SNMP-GSH2416(max-pkt-len)# set len 1-8 9216 show Syntax: show Description: To show current setting of maximum packet length setting.
  • Page 206 : enable the mode of mirror(Only mirror the packets that is received) disable: end the function of mirror Possible value: <rx | disable>: rx or disable Example: SNMP-GSH2416(mirror)# set mirror-mode rx set monitored-port Syntax: set monitored-port <range> Description: To set up the port that will be monitored. The packets received by this port will be copied to the monitoring port.
  • Page 207 Syntax: show Description: To display the setting status of Mirror function. Argument: None. Possible value: None. Example: SNMP-GSH2416(mirror)# show Mirror Mode : rx Monitoring Port : 2 Monitored Port : 3 4 5 7 10 AirLive SNMP-GSH 2416 User's Manual...
  • Page 208 To disable the flow control function of the port. Argument: <range>: syntax 1,5-7, available from 1 to 24 Possible value: <range>: 1 ~ 24 Example: SNMP-GSH2416 (port)# disable flow-control 6 disable state Syntax: disable state <range> Description: To disable the communication capability of the port.
  • Page 209 To enable the flow control function of the port. Argument: <range>: syntax 1,5-7, available from 1 to 24 Possible value: <range>: 1 ~ 24 Example: SNMP-GSH2416 (port)# enable flow-control 3-8 enable state Syntax: enable state <range> Description: To enable the communication capability of the port.
  • Page 210 To display the detailed counting number of each port’s traffic. Argument: <#>: port, available from 1 to 24 Possible value: <#>:1 ~ 24 Example: SNMP-GSH2416 (port)# show detail-counter 5 show sfp Syntax: show sfp <port> Description: To display the SFP module information.
  • Page 211 Syntax: show simple-counter Description: To display the summary counting of each port’s traffic. Argument: None. Possible value: None. Example: SNMP-GSH2416 (port)# show simple-counter show status Syntax: show status Description: To display the port’s current status. Argument: None. Possible value: None.
  • Page 212 <#>: 1-10 <tcp/udp port range>: 0-65535 <default>: 1 or 0 <match>: 1 or 0 Example: SNMP-GSH2416(qos)# set advance-layer4 5 2 80 1 0 set default Syntax: set default <class> Description: To set priority class of the packets that qos won’t affect.
  • Page 213 <ds-range>: dscp field, syntax 1,5-7, available from 0 to 63 <class>: class of service setting. 1: high, 0: low Possible value: <ds-range>: 0 to 63 <class>: 1or 0 Example: SNMP-GSH2416(qos)# set diffserv 0-20 1 set mode Syntax: set mode <port/pri_tag/tos/layer4/diffserv> Description: To set qos priority mode of the switch.
  • Page 214 <class>: class of service setting. 1: high, 0: low Possible value: <port-range>: 1 to 24 <tag-range>: 0 to 7 <class>: 1or 0 Example: SNMP-GSH2416(qos)# set pri-tag 1-15 1-2 1 set simple-layer4 Syntax: set simple-layer4 <#> Description: To set class of ports on simple mode of Layer 4 qos.
  • Page 215 <class>: class of service setting. 1: high, 0: low Possible value: <port-range>: 1 to 24 <tos-range>: 0 to 7 <class>: 1or 0 Example: SNMP-GSH2416(qos)# set tos 1-5 0-3 0 show Syntax: show Description: To display the information of the mode you choose.
  • Page 216 SNMP-GSH2416(snmp)# disable snmp SNMP-GSH2416(snmp)# disable set-ability enable Syntax: enable set-ability enable snmp Description: The Enable here is used for the activation snmp or set-community. Argument: None. Possible value: None. Example: SNMP-GSH2416(snmp)# enable snmp SNMP-GSH2416(snmp)# enable set-ability AirLive SNMP-GSH2416 User’s Manual...
  • Page 217 <community>:trap community name Possible value: <#>: 1 to 6 <port>:1~65535 Example: SNMP-GSH2416(snmp)# set get-community public SNMP-GSH2416(snmp)# set set-community private SNMP-GSH2416(snmp)# set trap 1 192.168.1.1 162 public show Syntax: show Description: The Show here is to display the configuration of SNMP. Argument: None.
  • Page 218 SNMP-GSH2416(stp)# Mcheck 1-8 disable Syntax: disable Description: To disable the STP function. Argument: None. Possible value: None. Example: SNMP-GSH2416(stp)# disable enable Syntax: enable Description: To enable the STP function. Argument: None. Possible value: None. Example: SNMP-GSH2416(stp)# enable AirLive SNMP-GSH2416 User’s Manual...
  • Page 219 <admin p2p>: Admin point to point, <auto|true|false> Possible value: <range>:1 to 24 <path cost>: 0, 1-200000000 <priority>: 0 to 240 <edge_port>: yes / no <admin p2p>: auto / true / false Example: SNMP-GSH2416(stp)# set port 1-16 0 128 yes auto AirLive SNMP-GSH 2416 User's Manual...
  • Page 220 <stp|rstp> Description: To set up the version of STP. Argument: <stp|rstp>:stp / rstp Possible value: <stp|rstp>:stp / rstp Example: SNMP-GSH2416(stp)# set version rstp show config Syntax: show config Description: To display the configuration of STP. Argument: None. Possible value: None.
  • Page 221 17 DISCARDING 2000000 Auto 18 DISCARDING 2000000 Auto 19 DISCARDING 2000000 Auto 20 DISCARDING 2000000 Auto 21 DISCARDING 2000000 Auto 22 DISCARDING 2000000 Auto ...(q to quit) 23 DISCARDING 2000000 Auto 24 DISCARDING 2000000 Auto AirLive SNMP-GSH 2416 User's Manual...
  • Page 222 Designated Root : 00:40:C7:D8:09:1D Designated Priority : 61440 Root Port Root Path Cost Current Max. Age(sec) : 20 Current Forward Delay(sec) : 15 Hello Time(sec) STP Topology Change Count Time Since Last Topology Change(sec) : 848 AirLive SNMP-GSH2416 User’s Manual...
  • Page 223 Argument: <contact>:string length up to 40 characters. Possible value: <contact>: A, b, c, d, ... ,z and 1, 2, 3, …. etc. Example: SNMP-GSH2416(system)# set contact Taipei set device-name Syntax: set device-name <device-name string> Description: To set the device name description of the switch.
  • Page 224 Serial Number : 031302000002 Host IP Address : 192.168.1.1 Host MAC Address : 00-aa-aa-aa-aa-aa Device Port : UART * 1, TP * 8, SFP * 16 RAM Size : 65535 M Flash Size : 65535 M AirLive SNMP-GSH2416 User’s Manual...
  • Page 225 To set up the IP address of tftp server. Argument: <ip>: the IP address of tftp server Possible value: <ip>: tftp server ip Example: SNMP-GSH2416(tftp)# set server 192.168.3.111 show Syntax: show Description: To display the information of tftp server. Argument: None.
  • Page 226 <HH> : (00-23) <mm> : (01-12) <dd> : (01-31) <hh> : (00-23) Example: SNMP-GSH2416(time)# set daylightsaving 3 10/12/01 11/12/01 Save Successfully set manual Syntax: set manual <YYYY/MM/DD> <hh:mm:ss> Description: To set up the current time manually. Argument: <YYYY> : Year (2000-2036) <MM>...
  • Page 227 To set up the current time via NTP server. Argument: <ip>: ntp server ip address or domain name <timezone>: time zone (GMT), range: -12 to +13 Possible value: <timezone>: -12,-11…,0,1…,13 Example: SNMP-GSH2416(time)# set ntp clock.via.net 8 Synchronizing...(1) Synchronization success show Syntax: show Description: To show the time configuration, including “Current Time”, “NTP Server”,”...
  • Page 228 : set the LACP to active mode passive : set the LACP to passive mode Possible value: <port-range> : 1 to 24 <method>: static / lacp <group>: 1-8. <active LACP>: active / passive Example: SNMP-GSH2416(trunk)# set trunk 1-4 lacp 1 active AirLive SNMP-GSH2416 User’s Manual...
  • Page 229 To display the detailed information of the LACP trunk group. Argument: <aggtr>: aggregator, available from 1 to 24 Possible value: <aggtr>: 1 to 24 Example: SNMP-GSH2416(trunk)# show lacp-detail 2 Aggregator 2 Information: Actor Partner --------------------------------- --------------------------------- System Priority MAC Address...
  • Page 230 Active LACP Aggtregator Status ====== ======== ======= ============= ============= ======== None Active Ready LACP Active LACP Active LACP Active LACP Active LACP Active LACP Active None Active None Active None Active None Active None Active None Active AirLive SNMP-GSH2416 User’s Manual...
  • Page 231 Description: To delete the port-based vlan group. Argument: <name>: which vlan group you want to delete. Possible value: <name>: port-vlan name Example: SNMP-GSH2416(vlan)# del port-group VLAN-2 del tag-group Syntax: del tag-group <vid> Description: To delete the tag-based vlan group. Argument: <vid>: which vlan group you want to delete, available from 1 to 4094...
  • Page 232 To drop frames from the non-member port. Argument: <range>: which port(s) you want to set, syntax 1,5-7, available from 1 to 24 Possible value: <range>: 1 to 24 Example: SNMP-GSH2416(vlan)# disable sym-vlan 5-10 enable drop-untag Syntax: enable drop-untag <range> Description: To drop the untagged frames.
  • Page 233 <name> <range> Description: To add or edit a port-based VLAN group. Argument: <name>: port-vlan name <range>: syntax 1,5-7, available from 1 to 24 Possible value: <range>: 1 to 24 Example: SNMP-GSH2416(vlan)# set port-group VLAN-1 2-5,6,15-13 AirLive SNMP-GSH 2416 User's Manual...
  • Page 234 <hybrid>: Tag all frames except a specific VID <vid>: untag-vid for hybrid port Possible value: <range>: 1 to 24 <vid>: 1 to 4094 Example: SNMP-GSH2416(vlan)# set port-role 5 hybrid 6 set pvid Syntax: set pvid <range> <pvid> Description: To set the pvid of vlan.
  • Page 235 <#>: sym/asym vlan setting. 1: symmetric vlan, 0: asymmetric vlan Possible value: <vid>: 1 to 4094 <range>: 1 to 24 <#>: 0 or 1 Example: SNMP-GSH2416(vlan)# set tag-group 2 VLAN-2 2-5,6,15-13 0 show group Syntax: show group Description: To display the vlan mode and vlan group.
  • Page 236 Disable Disable Access Disable Disable Access Disable Disable Access Enable Disable Hybrid Enable Disable Access Enable Disable Access Enable Disable Access Enable Disable Access Enable Disable Access Disable Disable Access Disable Disable Access Disable Disable Access AirLive SNMP-GSH2416 User’s Manual...
  • Page 237 To enable the virtual stack. Argument: None. Possible value: None. Example: SNMP-GSH2416(vs)# enable set gid Syntax: set gid <gid> Description: To set the group id. Argument: <gid>:Group ID Possible value: a-z,A-Z,0-9 <gid>: Example: SNMP-GSH2416(vs)# set gid group1 AirLive SNMP-GSH 2416 User's Manual...
  • Page 238 Description: To set role. Argument: <master|slave>: master: act as master, slave : act as slave Possible value: <master|slave>: master or slave Example: SNMP-GSH2416(vs)# set role master show Syntax: show Description: To display the configuration of the virtual stack. Argument: None.

  • Page 239: Chapter 5. Maintenance

    Please refer to the user guide of that terminal program. But the COM port parameters (baud rate/ data bits/ parity bits/ flow control) must be the same as the setting of the console port of the Managed Switch. AirLive SNMP-GSH 2416 User's Manual...

  • Page 240: Appendix A Technical Specifications

    Supports 802.3ad port trunking with flexible load distribution and failover function. • Supports ingress port security mode for VLAN Tagged and Untagged frame process. • Supports SNMP MIB2 and RMON sampling with sampled packet error indication. AirLive SNMP-GSH2416 User’s Manual...
  • Page 241 Cable and Maximum Length: Cat. 5 UTP cable, up to 100m Up to 220/275/500/550m, 1000Base-SX which depends on Multi-Mode Fiber type 1000Base-LX Single-Mode Fiber, up to10/30/50Km 1000Base-LX WDM (BiDi) Single-Mode Single Fiber, up to 20Km AirLive SNMP-GSH 2416 User's Manual...
  • Page 242 AC Line Voltage 100∼240 V Frequency 50∼60 Hz Consumption Ambient Temperature 0° to 40°C Humidity 5% to 90% 44(H) × 442(W) × 209(D) mm Dimensions Comply with FCC Part 15 Class A & CE Mark Approval AirLive SNMP-GSH2416 User’s Manual...
  • Page 243 Bridge MIB (RFC 1493) Network Management RMON MIB (RFC 1757)-statistics VLAN MIB (802.1Q) Web browser support based on HTTP Server and CGI parser TFTP software-upgrade capability. Note: Any specification is subject to change without notice. AirLive SNMP-GSH 2416 User's Manual...

  • Page 244: Appendix B Null Modem Cable Specifications

    The table below shows the pin assignments for the DB-9 cable. Function Mnemonic Carrier Receive Data Transmit Data Data Terminal Ready Signal Ground Data Set Ready Request To Send Clear To Send 9 Pin Null Modem Cable Reserve 9 Reserve AirLive SNMP-GSH2416 User’s Manual...

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