1. Manuals
  2. Brands
  3. Planex Manuals
  4. Switch
  5. SWP-0412G
  6. User manual

Planex SWP-0412G User Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
SWP-0412/0420G

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the SWP-0412G and is the answer not in the manual?

Questions and answers

Related Manuals for Planex SWP-0412G

Summary of Contents for Planex SWP-0412G

  • Page 1 SWP-0412/0420G...
  • Page 2 SWP-0412/0420G Series L2 Managed Switch User Guide PLANEX L2 Managed Switch SWP-0412G/SWP-0420G User Guide...

  • Page 3: Federal Communications Commission Statement

    Federal Communications Commission Statement This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: • This device may not cause harmful interference, and • This device must accept any interference received including interference that may cause undesired operation.

  • Page 4: Table Of Contents

    SWP-0412/0420G Series L2 Managed Switch User Guide Table of Contents L2 managed features............9 Conventions used in this document .......10 1.2.1 Notations ............10 1.2.2 Typography .............10 1.2.3 Symbols ............10 Package contents ............11 Front Panel ..............12 Rear Panel..............13 Technical specifications..........14 Part 1 — Installing the hardware ........15 3.1.1 Installing the switch on a flat surface ....15 3.1.2...
  • Page 5 4.3.6 CPU Usage ............ 33 Physical Interface ............34 Bridge................36 4.5.1 Link Aggregation ..........36 4.5.2 Mirroring ............38 4.5.3 Traffic Control ..........39 4.5.4 Dynamic Addresses ........40 4.5.5 Static Addresses ..........42 4.5.6 Tagged VLAN..........43 4.5.7 Default Port VLAN and CoS ......
  • Page 6 SWP-0412/0420G Series L2 Managed Switch User Guide Miscellaneous Commands ..........79 IP Addresses ..............80 6.1.1 Structure of an IP address ......80 6.1.2 Network classes ..........82 Subnet masks..............83 Diagnosing problems using IP utilities......85 7.1.1 ping ..............85 7.1.2 nslookup............87 Simple fixes ..............88...
  • Page 7 List of Figures Figure 1. Front panel..............12 Figure 2. Rear panel ..............13 Figure 3. Login and IP setup Screen ..........19 Figure 4. Login Screen..............20 Figure 5. IP Setup ................. 22 Figure 6. Configuration manager login screen......23 Figure 7.
  • Page 8 SWP-0412/0420G Series L2 Managed Switch User Guide Figure 29. Dial-In user ..............52 Figure 30. RADIUS ................53 Figure 31. VCT.................54 Figure 32. Traffic comparison ............56 Figure 33. Error group ..............56 Figure 34. Save Configuration ............57 Figure 35. CLI interface ..............59 Figure 36. Boot ROM Command Mode ...........60 Figure 37.
  • Page 9 List of Tables Table 1. Front panel labels and LEDs ......... 12 Table 2. Rear panel labels ............13 Table 3. Technical specifications..........14 Table 4. LED Indicators ............... 17 Table 5. Commonly used buttons and icons ....... 27 Table 6. Boot ROM commands ...........

  • Page 10: L2 Managed Features

    SWP-0412/0420G Series L2 Managed Switch User Guide Introduction Congratulations on becoming the owner of the SWP-0412/0420G managed web smart plus switch! You may now manage your LAN (local area network) through a friendly and powerful user interface. This user guide tells you how to set up the SWP-0412/0420G web smart plus switch, and how to customize its configuration to get the most out of this product.

  • Page 11: Conventions Used In This Document

    Conventions used in this document 1.2.1 Notations • Acronyms are defined the first time they appear in text and in the glossary. • For brevity, the SWP-0412/0420G switch is referred to as “the switch.” • The terms LAN and network are used interchangeably to refer to a group of Ethernet-connected computers at one site.

  • Page 12: Package Contents

    SWP-0412/0420G Series L2 Managed Switch User Guide Getting to know the SWP-0412/0420G Package contents The SWP-0412/0420G switch package comes with the following items: • SWP-0412/0420G • AC Power cord • Null modem cable for console interface (DB9) • Rack installation kit (two brackets with six #6-32 screws)

  • Page 13: Front Panel

    Front Panel The front panel includes LED indicators that show the system, , fan, and port status. Figure 1. Front panel Table 1. Front panel labels and LEDs Label Color Status Description SYSTEM Green Unit is powered on Flashing Self-test, INIT, or downloading Amber Abnormal temperature or voltage No power...

  • Page 14: Rear Panel

    SWP-0412/0420G Series L2 Managed Switch User Guide Rear Panel The switch rear panel contains the ports for the data and power connections. Figure 2. Rear panel Table 2. Rear panel labels Label Description Power Connector Connects to the supplied power cord FAN1 –...

  • Page 15: Technical Specifications

    Technical specifications Table 3. Technical specifications Physical Dimensions 43.5mm(H) X 444 mm(W) X 265mm(D) Power Input Consumption 100-240V AC/2.5A 50-60Hz < 38 watts Environmental Ranges Operating Storage Temperature 0-40 0-40 Humidity 35 to 85 % 35 to 85 % Altitude up to 10,000 ft 40,000 ft (3,000m)

  • Page 16: Part 1 - Installing The Hardware

    SWP-0412/0420G Series L2 Managed Switch User Guide Quick start guide This section provides the basic instructions to set up the SWP-0412/0420G environment. Refer also to the SWP-0412/0420G Installation Guide. Part 1 shows you how to install the SWP-0412/0420G on a flat surface or on a rack.

  • Page 17: Connect The Console Port

    GigaX Series L2 Managed Switch User’s Guide 3.2.1 Connect the console port For console management, use an RS232 (DB9) to connect the switch. If you want to use WEB interface, connect your PC to the switch using the Ethernet cable. 3.2.2 Connect to the computers or a LAN You can use Ethernet cable to connect computers directly to the switch ports.

  • Page 18: Part 3 - Basic Switch Setting For Management

    SWP-0412/0420G Series L2 Managed Switch User Guide Table 4. LED Indicators Description System Solid green indicates that the device is turned on. If this light is off, check if the power adapter if attached to the switch and plugged into a power source. Switch ports Solid green indicates that the device can communicate with the LAN, or flashing when...

  • Page 19: Figure

    Set the data format to no parity, 8 data bits and 1 stop bit No flow control Set VT1000 for emulation mode 3. After setting up the terminal, you can see the prompt “(PLANEX)%” on the terminal. 4. Type “login” to access the command line interface. The default user name is “admin”.

  • Page 20: Figure 3. Login And Ip Setup Screen

    SWP-0412/0420G Series L2 Managed Switch User Guide Figure 3. Login and IP setup Screen...

  • Page 21: Setting Up Through The Web Interface

    GigaX Series L2 Managed Switch User’s Guide 3.3.2 Setting up through the Web interface To successfully connect your PC to the switch, your PC must a valid IP in your network. Contact your network administrator to obtain a valid IP for the switch. If you wish to change the default IP address of the switch, follow section 3.3.1 to change the IP address.
  • Page 22 SWP-0412/0420G Series L2 Managed Switch User Guide Enter your user name and password, and then click to enter the Configuration Manager. Use the following defaults the first time you log into this interface: Default User Name: Admin Default Password: password You can change the password at any time (see section 5.3.1 System Commands).

  • Page 23: Figure 5. Ip Setup

    GigaX Series L2 Managed Switch User’s Guide Figure 5. IP Setup...

  • Page 24: Log Into Web User Interface

    SWP-0412/0420G Series L2 Managed Switch User Guide Management with the Web Interface The switch provides Web pages that allow switch management through the Internet. The program is designed to work best with Microsoft Internet Explorer® 5.5, or later versions. NOTE: Netscape is not supported. Log into Web user interface 1.

  • Page 25: Figure 7. Home Page

    SWP-0412/0420G Series L2 Managed Switch User’s Guide The home page appears each time you log into the program. See Figures 11 and 12). Figure 7. Home page...

  • Page 26: Functional Layout

    SWP-0412/0420G Series L2 Managed Switch User Guide Functional layout Typical web page consists of three separate frames. The top frame has a switch logo as shown Figure 8 Figure 8. Top Frame The left frame, a menu frame as shown in Figure 9, contains all the features available for switch configuration.

  • Page 27: Menu Navigation Tips

    SWP-0412/0420G Series L2 Managed Switch User’s Guide Figure 9. Expanded Menu List The right frame displays configuration pages or graphics for the statistics. See section 4.3 for details. 4.2.1 Menu navigation tips • To expand a group of related menus, click on the corresponding group name.

  • Page 28: Commonly Used Buttons And Icons

    SWP-0412/0420G Series L2 Managed Switch User Guide 4.2.2 Commonly used buttons and icons The following table describes the function for each button and icon used in the application. Table 5. Commonly used buttons and icons Button/Icon Function Stores any changes you have made on the current page. Adds the existing configuration to the system, e.g.

  • Page 29: Figure 10. Management

    SWP-0412/0420G Series L2 Managed Switch User’s Guide To save any changes and make it effective immediately, click . Use to refresh the setting, as shown in Figure 10. Figure 10. Management...

  • Page 30: Ip Setup

    SWP-0412/0420G Series L2 Managed Switch User Guide 4.3.2 IP Setup The switch supports dynamic IP and static IP assignment. The dynamic IP is get from a DHCP server within the same VLAN. The IP Setup page contains the following editable information: IP Address: assign a static IP address to the switch management interface.

  • Page 31: Figure 12. Administration

    SWP-0412/0420G Series L2 Managed Switch User’s Guide You can change the password at any time through the CLI interface.(Please refer to section 5.3.1) Figure 12. Administration...

  • Page 32: Reboot

    SWP-0412/0420G Series L2 Managed Switch User Guide 4.3.4 Reboot The Reboot page contains a button. Clicking the button reboots the system. Rebooting the system stops the network traffic and terminates the Web interface connection. Figure 13. Reboot 4.3.5 Firmware Upgrade The Firmware page contains the following information: Hardware Version: shows the hardware revision number.

  • Page 33: Figure 14. Firmware Upgrade

    SWP-0412/0420G Series L2 Managed Switch User’s Guide Enter the firmware location into the firmware space directly, or click to choose the file name of the firmware from prompt window. Click to update the switch firmware. See Figure 14 for reference. Clicking the upload button loads the assigned firmware to the switch, then reboot system after a successful firmware update.

  • Page 34: Cpu Usage

    SWP-0412/0420G Series L2 Managed Switch User Guide 4.3.6 CPU Usage This page displays the CPU usage of the switch. User can set the show count by entering a valid number from 1 to 10. Then click on to show the CPU usage.

  • Page 35: Physical Interface

    SWP-0412/0420G Series L2 Managed Switch User’s Guide Physical Interface The Physical Interface displays the Ethernet port status in real time. You can configure the port in following fields: Port: select the port to configure Admin: disable/enable the port Mode: set the speed and duplex mode Flow Control: enable/disable 802.3x flow control mechanism Port Status Window: displays the following information for each port Link status: the link speed and duplex for an existing link,...

  • Page 36: Figure 16. Physical Interface

    SWP-0412/0420G Series L2 Managed Switch User Guide Figure 16. Physical Interface...

  • Page 37: Bridge

    SWP-0412/0420G Series L2 Managed Switch User’s Guide Bridge The Bridge page group contains most layer 2 configurations, like link aggregation,...etc.. 4.5.1 Link Aggregation The page configures the link aggregation group (port trunking). The switch can have 7 link aggregation groups. Show Trunk: Select “Add a new Trunk”...

  • Page 38: Figure

    SWP-0412/0420G Series L2 Managed Switch User Guide You have to check the runtime link speed and duplex mode to make sure the trunk is physically active. Go to Physical Interface and check the link mode in the runtime status window for the trunk ports. If all the trunk members are in the same speed and full duplex mode, then the trunk group is set up successfully.

  • Page 39: Mirroring

    SWP-0412/0420G Series L2 Managed Switch User’s Guide Figure 17. Link aggregation 4.5.2 Mirroring Mirroring, together with a network traffic analyzer, helps you monitor network traffics. You can monitor the selected ports for egress or ingress packets. Mirror Mode: Enables or disables the mirror function for the selected group.

  • Page 40: Traffic Control

    SWP-0412/0420G Series L2 Managed Switch User Guide Click to make the setting send to the switch (HTTP server). Click to refresh the settings to current value. Figure 18. Mirroring page 4.5.3 Traffic Control Traffic control prevents the switch bandwidth from flooding packets including broadcast packets, multicast packets The limit number is a threshold to limit the total number of the checked type packets.

  • Page 41: Dynamic Addresses

    SWP-0412/0420G Series L2 Managed Switch User’s Guide Figure 19. Traffic Control 4.5.4 Dynamic Addresses This page displays the result of dynamic MAC address lookup by port, VLAN ID, or specified MAC address. The dynamic address is the MAC address learned by switch, it will age out from the address table if the address is not learned again during the age time.

  • Page 42: Figure 20. Dynamic Address

    SWP-0412/0420G Series L2 Managed Switch User Guide Figure 20. Dynamic Address...

  • Page 43: Static Addresses

    SWP-0412/0420G Series L2 Managed Switch User’s Guide 4.5.5 Static Addresses You can add a MAC address into the switch address table. The MAC address added by this way will not age out from the address table. We call it static address.

  • Page 44: Tagged Vlan

    SWP-0412/0420G Series L2 Managed Switch User Guide 4.5.6 Tagged VLAN You can set up to 256 VLAN groups and show VLAN group in this page. There is a default VLAN created by the switch. It cannot be modify at all. This feature prevents the switch from malfunctions.

  • Page 45: Figure 22. Tagged Vlan

    SWP-0412/0420G Series L2 Managed Switch User’s Guide Figure 22. Tagged VLAN...

  • Page 46: Default Port Vlan And Cos

    SWP-0412/0420G Series L2 Managed Switch User Guide 4.5.7 Default Port VLAN and CoS Some VLAN tag related field settings for each port are included in this page. It includes: Port: select the port to configure PVID: port-based VLAN ID. Every untagged packet received from this port will be tagged with this VLAN group ID CoS (Class of Service) value: every untagged packet received from this port will be assigned to this CoS in the VLAN tagged.

  • Page 47: Cos Queue Mapping

    SWP-0412/0420G Series L2 Managed Switch User’s Guide 4.5.8 CoS Queue Mapping The switch supports 4 egress queues for each port witch a strict priority scheduler. That is, each CoS value can map into one of the four queues. The queue 4 has the highest priority to transmit the packets. Click save the configuration.

  • Page 48: Snmp

    SWP-0412/0420G Series L2 Managed Switch User Guide SNMP This group offers the SNMP configuration including Community Table, Host Table, and Trap Setting. To provide more secure management and access control. 4.6.1 Community Table You can type different community names and specify whether the community has the privilege to do set action (write access) by checking the box.

  • Page 49: Host Table

    SWP-0412/0420G Series L2 Managed Switch User’s Guide 4.6.2 Host Table This page links host IP address to the community name that is entered in Community Table page. Type an IP address and select the community name from the drop-down list. Click to save the configuration permanently or to refresh the page.

  • Page 50: Trap Setting

    SWP-0412/0420G Series L2 Managed Switch User Guide 4.6.3 Trap Setting By setting trap destination IP addresses and community names, you can enable SNMP trap function to send trap packets in different versions(v1 or v2c). Click to save the configuration permanently or refresh the page.

  • Page 51: Security

    SWP-0412/0420G Series L2 Managed Switch User’s Guide Security The switch has the 802.1x port-based security feature. Only authorized hosts are allowed to access the switch port. Traffic is blocked for hosts failed to authenticate themselves. The authentication service is provided by a RADIUS server or the local database in the switch.

  • Page 52: Dial-In User

    SWP-0412/0420G Series L2 Managed Switch User Guide • Multi-host: If enabled, ALL hosts connected to the selected port are allowed to use the port if ONE of the hosts passed the authentication. If disabled, only ONE host among other hosts passed the authentication is allowed to use the port.

  • Page 53: Radius

    SWP-0412/0420G Series L2 Managed Switch User’s Guide Please click to add the new user. Click when you're done with the modifications. Click when you want to remove the selected user. Click to make the settings permanent. Click to refresh the settings to current value. Figure 29.

  • Page 54: Figure 30. Radius

    SWP-0412/0420G Series L2 Managed Switch User Guide The VLAN of the RADIUS server connected to the switch must be the same as the VLAN of the system management interface. Please click to make the settings permanent. Click refresh the settings to current value. Figure 30.

  • Page 55: Vct

    SWP-0412/0420G Series L2 Managed Switch User’s Guide VCT stands for "Virtual Cable Tester". The major function of VCT is to detect cable fault(open or short) and report the estimated fault location. Moreover, VCT can also detect PHY type(100M, 1000M or 10000M) as well as estimated cable length of normal cable.

  • Page 56: Statistics Chart

    SWP-0412/0420G Series L2 Managed Switch User Guide Statistics Chart The Statistics Chart pages provide network flow in different charts. You can specify the period time to refresh the chart. You can monitor the network traffic amount in different graphic chart by these pages. Most MIB-II counters are displayed in these charts.

  • Page 57: Error Group

    SWP-0412/0420G Series L2 Managed Switch User’s Guide Figure 32. Traffic comparison 4.9.2 Error Group Selecting the Port and display Color, then clicking the Draw, the statistics window shows you all the discards or error counts for the specified port. The data is updated periodically.

  • Page 58: Save Configuration

    SWP-0412/0420G Series L2 Managed Switch User Guide 4.10 Save Configuration To save configuration permanently, you have to click . The setting also takes effective after a successful save. Sometimes you may want to reset the switch configuration, you can click on to reset the configuration file to factory default.

  • Page 59: Console Interface

    SWP-0412/0420G Series L2 Managed Switch User’s Guide Console Interface This chapter describes how to use console interface to configure the switch. The switch provides RS232 connectors to connect your PC. Use a terminal emulator on your PC such as HyperTerminal and command line interpreter to configure the switch.

  • Page 60: Power On Self Test

    POST is executing during the system booting time. It tests system memory, LED and hardware chips on the switchboard. It displays system information as the result of system test and initialization. You can ignore the information until the prompt, “(Planex)%”, appears (see Figure 35). Figure 35. CLI interface...

  • Page 61: Boot Rom Command Mode

    SWP-0412/0420G Series L2 Managed Switch User’s Guide 5.1.1 Boot ROM Command Mode During the POST process, you can enter a “Boot ROM Command” mode by pressing <ENTER> key as shown in Figure 37. Enter the “?” key to show the help messages for all available commands. Although the commands are helpful in some situation, we STRONGLY suggest users not to use them if you don’t know the command function.

  • Page 62: Boot Rom Commands

    SWP-0412/0420G Series L2 Managed Switch User Guide 5.1.2 Boot ROM Commands Type “?” in the boot mode to display the valid commands list. Table 6. Boot ROM commands Command Parameters Usage Notes IP address Configure TFTP client IP address NONE Load and execute firmware NONE Display online help...

  • Page 63: Login And Logout

    SWP-0412/0420G Series L2 Managed Switch User’s Guide Login and Logout By typing “login” to enter the CLI mode, you have to give a valid user name and password. As the first time login, you can enter “admin” as the user name and bypass the password.

  • Page 64: Figure 37. Sys Commands

    SWP-0412/0420G Series L2 Managed Switch User Guide If you put a name in the name description field, the switch system name changes to the new one. [System Contact] Displays the detail information of contact about the switch. This is an RFC-1213 defined MIB object in System Group, and provides contact information on the managed node.
  • Page 65 SWP-0412/0420G Series L2 Managed Switch User’s Guide [IP Address/Network Mask] Displays the static IP address for the switch. This IP address is used for manageable purpose, i.e.; network applications such as, http server, SNMP server, ftp server , telnet server and SSH server of the switch are all using this IP address.

  • Page 66: Physical Interface Commands

    SWP-0412/0420G Series L2 Managed Switch User Guide [Upload] No CLI command for this function. Refer to Boot ROM commands for this function. 5.3.2 Physical Interface Commands [Admin] [Enable/Disable] Displays the port admin status, allow user to turn the port on or off. CLI command : l2 port admin <port number>...

  • Page 67: Bridge Commands

    SWP-0412/0420G Series L2 Managed Switch User’s Guide 5.3.3 Bridge Commands 5.3.3.1 Trunk [Show Trunk] Displays a specific trunk group settings. User can create a new trunk group by specify a unique trunk ID, a trunk name description, the port selection criterion (rtag) and its trunk group member ports.
  • Page 68 SWP-0412/0420G Series L2 Managed Switch User Guide [Reload] Restores the previous saved settings of trunking from configuration file. CLI command : l2 trunk retrieve 5.3.3.2 Mirror [Create/Remove Mirror Mode] Displays the mirroring settings of the switch. CLI command : l2 mirror create <monitor port no> <enable/disable> CLI command : l2 mirror ingress <port list>...
  • Page 69 SWP-0412/0420G Series L2 Managed Switch User’s Guide [Limit Rate] User can change this value by giving a new limit value. This value is applied to all of the traffic control mentioned above.It is for the whole system, not per port. CLI command : l2 rate set <1: bcast/2: bcast and mcast>...
  • Page 70 SWP-0412/0420G Series L2 Managed Switch User Guide [MAC Address] [VLAN ID] [Port Selection] [Discard] [none/source/destination/source & destination] User can add or modify a static ARL entry by specifying a MAC address, VLAN ID, port number, trunk ID, and discard criteria. CLI command : l2 arl static <mac>...
  • Page 71 SWP-0412/0420G Series L2 Managed Switch User’s Guide CLI command : l2 vlan create <vlan id> <vlan name> <port list> [add/remove port from VLAN] CLI command : l2 vlan add <vlan id> <port list> CLI command : l2 vlan remove <vlan id> <port list> [set untag-port ] CLI command : l2 vlan utportadd <vlan id>...
  • Page 72 SWP-0412/0420G Series L2 Managed Switch User Guide [CoS Value] Sets the Class of Service for a port by assigning it a priority (with range of 0-7) criteria value for untagged packets. .Due to 4 internal traffic class mapping to 8 priority, Only 4 Cos value (ex. 0,2,5,7 for default queue mapping) are valid according to Cos Queue Mapping.

  • Page 73: Snmp

    SWP-0412/0420G Series L2 Managed Switch User’s Guide 5.3.4 SNMP 5.3.4.1 Community [Add / Set / Delete Community Name] A community entry contains a community description string and a set of privileges. Get privilege are turned on by default, and user can specify whether to give it the Set Privilege while create a new entry.
  • Page 74 SWP-0412/0420G Series L2 Managed Switch User Guide CLI command : snmp community delete Allows user to delete a community entry from community table. Community entry (table index): <entry id to delete> This action will delete all hosts in community string with 'delete community'. Are you sure? (y/n):[y] <y for ‘yes’;...
  • Page 75 SWP-0412/0420G Series L2 Managed Switch User’s Guide [Delete SNMP host] CLI command : snmp host delete Allows user to delete a host entry from host table. Entry id (table index): <entry id to delete> [Reload] Restores the previous saved settings from configuration file. CLI command : snmp host retrieve 5.3.4.3 Trap [Add/Set/Delete trap]...
  • Page 76 SWP-0412/0420G Series L2 Managed Switch User Guide Community (old community string): <new community string> [Delete] CLI command : snmp trap delete Allows user to delete a trap entry from trap table. Trap table entry (table index): <entry id to delete> [Reload] Restores the previous saved settings from configuration file.

  • Page 77: Security Commands

    SWP-0412/0420G Series L2 Managed Switch User’s Guide 5.3.5 Security Commands 5.3.5.1 dot1x [Reauthentication] Allows user to enable or disable periodic reauthentication. CLI command : security dot1x bridge reauth <enable / disable> [Reauthentication Time] Allows user to set up the reauthentication time. CLI command : security dot1x bridge reauthtime <reauthentication time (1-4294967295 sec)>...
  • Page 78 SWP-0412/0420G Series L2 Managed Switch User Guide CLI command : security dot1x bridge reauthmax <max reauthentication attemps (1-10)> [Multi-host] Allows user to enable or disable Multi-host on some specific ports. CLI command : security dot1x port multihost <enable/disable><port list/*> [Authentication Control] Allows user to set up the authentication control of some specific ports.
  • Page 79 SWP-0412/0420G Series L2 Managed Switch User’s Guide Allows user to modify a user entry from the local database. It contains a user name, password. User Name: <new user name string> Password: <new password string> Confirm Password: <new confirm password string> [Reload] Restores the previous saved settings from configuration file.

  • Page 80: Miscellaneous Commands

    SWP-0412/0420G Series L2 Managed Switch User Guide Miscellaneous Commands sys uptime: show the time since the system boot up. sys date: show the current date and time sys settime: set the current time net ping: ping remote host net route show: display the entries in the routing table...

  • Page 81: Ip Addresses

    SWP-0412/0420G Series L2 Managed Switch User’s Guide IP Addresses, Network Masks, and Subnets IP Addresses This section pertains only to IP addresses for IPv4 (version 4 of the Internet Protocol). IPv6 addresses are not covered. This section assumes basic knowledge of binary numbers, bits, and bytes.

  • Page 82: Table 7. Ip Address Structure

    SWP-0412/0420G Series L2 Managed Switch User Guide The first part of every IP address contains the network ID, and the rest of the address contains the host ID. The length of the network ID depends on the network's class (see following section). Table 7 shows the structure of an IP address.

  • Page 83: Network Classes

    SWP-0412/0420G Series L2 Managed Switch User’s Guide 6.1.2 Network classes The three commonly used network classes are A, B, and C. (There is also a class D but it has a special use beyond the scope of this discussion.) These classes have different uses and characteristics.

  • Page 84: Subnet Masks

    SWP-0412/0420G Series L2 Managed Switch User Guide Subnet masks A mask looks like a regular IP address, but contains a pattern of bits that tells what parts of an IP address are the network ID and what parts are the host ID: bits set to 1 mean "this bit is part of the network ID"...
  • Page 85 SWP-0412/0420G Series L2 Managed Switch User’s Guide The two extra bits in Field 4 can have four values (00, 01, 10, 11), so there are four subnets. Each subnet uses the remaining six bits in field4 for its host IDs, ranging from 0 to 63.

  • Page 86: Diagnosing Problems Using Ip Utilities

    SWP-0412/0420G Series L2 Managed Switch User Guide Troubleshooting This section gives instructions for using several IP utilities to diagnose problems. A list of possible problems with suggestion actions is also provided. All the known bugs are listed in the release note. Read the release note before you set up the switch.

  • Page 87: Figure 38. Using The Ping Utility

    SWP-0412/0420G Series L2 Managed Switch User’s Guide Figure 38. Using the ping utility If the target computer cannot be located, you will receive the message “Request timed out.” Using the ping command, you can test whether the path to the switch is working (using the pre-configured default LAN IP address 192.168.1.1) or another address you assigned.

  • Page 88: Figure 39. Using The Nslookup Utility

    SWP-0412/0420G Series L2 Managed Switch User Guide 7.1.2 nslookup You can use the nslookup command to determine the IP address associated with an Internet site name. You specify the common name, and the nslookup command looks up the name on your DNS server (usually located with your ISP).

  • Page 89: Table 8. Troubleshooting

    SWP-0412/0420G Series L2 Managed Switch User’s Guide Simple fixes The following table lists some common problems that you may encounter when installing or using the switch, and the suggested actions to solve the problems. Table 8. Troubleshooting Problem Suggested Action LEDs SYSTEM LED does Verify if the power cord is securely connected to the switch and a...
  • Page 90 SWP-0412/0420G Series L2 Managed Switch User Guide Problem Suggested Action Some pages do not 1. Verify that you are using Internet Explorer v5.5 or later. display completely Netscape is not supported. Support for Javascript® must be enabled in your browser. Support for Java® may also be required.

This manual is also suitable for:

Swp-0420g

Table of Contents