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SMC Networks TigerStack 100 1000BASE-X Management Manual

Stackable fast ethernet switch
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TigerStack 100
Stackable Fast Ethernet Switch
◆ 24 100BASE-FX MT-RJ ports
◆ Optional 100BASE-FX or 1000BASE-X modules
◆ Optional stack module for linking up to four units
◆ 8.8 Gbps of aggregate switch bandwidth
◆ Support for redundant power unit
◆ Up to five port trunks per switch
◆ Port mirroring for non-intrusive analysis
◆ QoS support for two-level priority
◆ Full support for IEEE 802.1Q VLANs
◆ IP Multicasting with IGMP Snooping
◆ Manageable via console, Web, SNMP/RMON

Management Guide

SMC6924MT

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Summary of Contents for SMC Networks TigerStack 100 1000BASE-X

  • Page 1: Management Guide

    ◆ Optional stack module for linking up to four units ◆ 8.8 Gbps of aggregate switch bandwidth ◆ Support for redundant power unit ◆ Up to five port trunks per switch ◆ Port mirroring for non-intrusive analysis ◆ QoS support for two-level priority ◆...
  • Page 3 TigerStack 100 Management Guide From SMC’s Tiger line of feature-rich workgroup LAN solutions 38 Tesla Irvine, CA 92618 Phone: (949) 679-8000 November 2002 Pub. # F2.47 150200025700A R01...
  • Page 4 Irvine, CA 92618 All rights reserved. Printed in Taiwan Trademarks: SMC is a registered trademark; and EZ Switch and TigerStack are trademarks of SMC Networks, Inc. Other product and company names are trademarks or registered trademarks of their respective holders.
  • Page 5 IMITED ARRANTY Limited Warranty Statement: SMC Networks, Inc. (“SMC”) warrants its products to be free from defects in workmanship and materials, under normal use and service, for the applicable warranty term. All SMC products carry a standard 90-day limited warranty from the date of purchase from SMC or its Authorized Reseller.
  • Page 6 * SMC will provide warranty service for one year following discontinuance from the active SMC price list. Under the limited lifetime warranty, internal and external power supplies, fans, and cables are covered by a standard one-year warranty from date of purchase. SMC Networks, Inc. 38 Tesla Irvine, CA 92618...

  • Page 7: Table Of Contents

    Configuring the Switch ........
  • Page 8 Monitoring the Switch ........
  • Page 9 Switch ........
  • Page 10 ABLE OF ONTENTS Configuring IGMP ........3-43 IP Multicast Registration Table .
  • Page 11 Pin Assignments ......B-1 Console Port Pin Assignments ....... . B-1 DB-9 Port Pin Assignments .
  • Page 12 ABLE OF ONTENTS viii...

  • Page 13: Switch Management

    (out-of-band), or by a Telnet connection over the network (in-band). The management agent is based on SNMP (Simple Network Management Protocol). This SNMP agent permits the switch to be managed from any PC in the network using in-band management software (such as SMC’s EliteView).

  • Page 14: Required Connections

    Console Port (Out-of-Band) Connections Attach a VT100 compatible terminal or a PC running a terminal emulation program to the serial port on the switch’s rear panel. Use the null-modem cable provided with this package, or use a null modem connection that complies with the wiring assignments shown in Appendix B of this guide.

  • Page 15: In-Band Connections

    The on-board configuration program can be accessed using Telnet from any computer attached to the network. The switch and stack can also be managed by any computer using a Web browser (Internet Explorer 4.0, or Netscape Navigator 4.0 or above), or from a network computer using...
  • Page 16 WITCH ANAGEMENT Factory Defaults The default settings for switch configuration parameters. Each parameter can be changed via the console menus or Telnet. Parameter System Configuration Management VLAN IP State IP Address NetMark Default Gateway User Names Password Screen Timeout Send Authentication Fail Traps...
  • Page 17 Parameter Path Cost Port Priority Spanning Tree Protocol Spanning Tree Fast Forwarding 10/100 Mbps ports Virtual LANs Acceptable VLAN Frame Type Configurable PVID Tagging Untagged VLAN Group Assignment VLAN Ingress Filtering VLAN Learning ACTORY EFAULTS Default Value 4 - 1000Mbps ports 19 - 100Mbps ports 100 - 10Mbps ports Enabled...
  • Page 18 WITCH ANAGEMENT...
  • Page 19 While the guest has Read Only access to the management program. SING THE MMMMM MMMMM MMMM MMMM MM MM MM MM MM MM MMMM MMMMM MMMM TigerStack 100 SMC6924MT 08-23-2002 (c)Copyright 2002, SMC Networks Inc. User name : Password HAPTER YSTEM ROGRAM CCCCCCCCCCCCCC CCCCCCCCCCCCCCCC CCCCCCCCCCCCCCCC CCCCCCCCCCCCCC...

  • Page 20: Using The System Configuration Program

    Network Monitor Menu System Restart Menu Exit * Not implemented in this firmware release. ONFIGURATION ROGRAM System Information Switch Information Network Configuration Serial Port Configuration SNMP Configuration Console Login Configuration TFTP Download Configuration Save & Restore Management Configuration Port Configuration...

  • Page 21: Main Menu

    Main Menu With the system configuration program you can define system parameters, manage and control the switch, the connected stack and all its ports, or monitor network conditions. The figure below of the Main Menu and the following table briefly describe the selections available from this program.
  • Page 22 Console Login Configuration TFTP Download Configuration Save & Restore Management Configuration Specifies if management access to the switch is Device Control Menu Port Configuration Port Information Spanning Tree Configuration Enables Spanning Tree Algorithm; also sets Spanning Tree Information Displays full listing of parameters for the Spanning Port Mirror Configuration Port Trunking Configuration Specifies ports to group into aggregate trunks.
  • Page 23 Provides full listing for unicast addresses, as well as search and clear functions. Provides full listing for multicast addresses, as well as search and clear functions. Displays all the multicast groups active on this switch, including multicast IP addresses and corresponding VLAN IDs.
  • Page 24 SING THE YSTEM Menu Static Unicast Address Table Configuration Static Multicast Address Table Configuration* Restart System Exit * Not implemented in this firmware release. ONFIGURATION ROGRAM Description Used to manually configure host MAC addresses in the unicast table. Used to manually configure host MAC addresses in the multicast table.

  • Page 25: System Information Menu

    System Information Menu Use the System Information Menu to display a basic description of the switch, including contact information, and hardware/firmware versions. Use <TAB> or arrow keys to move. <Enter> to select Menu System Information Switch Information System Information Menu ======================= System Information ...

  • Page 26: Displaying System Information

    SING THE YSTEM Displaying System Information Use the System Information screen to display descriptive information about the switch, or for quick system identification as shown in the following figure and table. System Description : TigerStack 100 SMC6924MT System Object ID...

  • Page 27: Displaying Switch Version Information

    Displaying Switch Version Information Use the Switch Information screen to display hardware/firmware version numbers for the main board, as well as the power status. <OK> Use <TAB> or arrow keys to move. <Enter> to select Parameter Main Board Hardware Version...
  • Page 28 SING THE YSTEM Parameter Expansion Slot 2 Agent Module Hardware Version POST ROM Version Firmware Version SNMP Agent 2-10 ONFIGURATION ROGRAM Description Shows module type if inserted: 100BASE-FX (MMF or SMF), 1000BASE-SX, 1000BASE-LX, 1000BASE-T, or Stacking. Hardware version of the agent module. Power-On Self-Test version number.

  • Page 29: Management Setup Menu

    After initially logging onto the system, adjust the communication parameters for your console to ensure a reliable connection (Serial Port Configuration). Specify the IP addresses for the switch (Network Configuration / IP Configuration), and then set the Administrator and User passwords (Console Login Configuration). Remember to record them in a safe place.

  • Page 30: Changing The Network Configuration

    Changing the Network Configuration Use the Network Configuration menu to set the bootup option, configure the switch’s Internet Protocol (IP) parameters, enable the on-board Web agent, or to set the number of concurrent Telnet sessions allowed. The screen shown below is described in the following table.

  • Page 31: Ip Configuration

    IP Configuration Use the IP Configuration screen to set the bootup option, or configure the switch’s IP parameters. The screen shown below is described in the following table. Network Configuration : IP Configuration ======================================== <APPLY> Use <TAB> or arrow keys to move, other keys to make changes.
  • Page 32 BOOTP Get IP - IP is enabled but will not function until a BOOTP reply has been received. BOOTP requests will be periodically broadcast by the switch in an effort to learn its IP address. (BOOTP values can include the IP address,...

  • Page 33: Ip Connectivity Test (Ping)

    IP Connectivity Test (Ping) Use the IP Connectivity Test to see if another site on the Internet can be reached. The screen shown below is described in the following table. Network Configuration : IP Connectivity Test (Ping) =================================================== IP Address : Test Times : 1 Success [Start]...

  • Page 34: Http Configuration

    SING THE YSTEM HTTP Configuration Use the HTTP Configuration screen to enable/disable the on-board Web agent, and to specify the TCP port that will provide HTTP service. The screen shown below is described in the following table. Network Configuration : HTTP Configuration ========================================== HTTP Server HTTP Port Number : 80...

  • Page 35: Configuring The Serial Port

    Configuring the Serial Port You can access the on-board configuration program by attaching a VT100 compatible device to the switch’s serial port. (For more information on connecting to this port, see “Required Connections” on page 1-2.) The communication parameters for this port can be accessed from the Serial Port Configuration screen shown below and described in the following table.
  • Page 36 SING THE YSTEM Parameter Default Parity None Time-Out 10 minutes Auto Refresh 5 seconds 2-18 ONFIGURATION ROGRAM Description Sets the parity of the RS-232 port. Options : none/odd/even If no input is received from the attached device after this interval, the current session is automatically closed.

  • Page 37: Assigning Snmp Parameters

    Network Management Station (NMS), can be used to access this information. Access rights to the on-board agent are controlled by community strings. To communicate with the switch, the NMS must first submit a valid community string for authentication. The options for configuring community strings and related trap functions are described in the following sections.

  • Page 38: Configuring Community Names

    SING THE YSTEM Configuring Community Names The following figure and table describe how to configure the community strings authorized for management access. Up to 5 community names may be entered. Community Name <APPLY> Use <TAB> or arrow keys to move, other keys to make changes. Parameter Community Name Access...

  • Page 39: Configuring Ip Trap Managers

    Configuring IP Trap Managers The following figure and table describe how to specify management stations that will receive authentication failure messages or other trap messages from the switch. Up to 5 trap managers may be entered. SNMP Configuration : IP Trap Managers ===================================== IP Address 10.1.0.23...

  • Page 40: Console Login Configuration

    ADMIN (Administrator) and GUEST, but you can set up to five different user names and passwords. Only Administrators have write access for parameters governing the switch. You should therefore assign a user name and password to the default Administrator as soon as possible, and store it in a safe place.
  • Page 41 Parameter Default Password Threshold Lock-out Time 0 Admin* name: admin password: null Guest* name: guest password: null * Passwords can consist of up to 11 alphanumeric characters and are not case sensitive. ANAGEMENT Description Sets the password intrusion threshold which limits the number of failed logon attempts.

  • Page 42: Downloading System Software

    Downloading System Software Using TFTP to Download Over the Network Use the TFTP Download menu to load software updates into the switch. The download file should be an SMC6924MT binary file from SMC; otherwise the agent will not accept it. The success of the download operation depends on the accessibility of the TFTP server and the quality of the network connection.

  • Page 43: Saving The System Configuration

    Use the Configuration Save & Restore menu to save the switch configuration settings to a file on a TFTP server. The file can be later downloaded to the switch to restore the switch’s settings. The success of the operation depends on the accessibility of the TFTP server and the quality of the network connection.
  • Page 44 [Process TFTP Download] Issues a request to the TFTP server to download the Download Status 2-26 ONFIGURATION ROGRAM Description IP address of a TFTP server. The name of the file that contains the switch configuration settings you wish to restore. specified file. Indicates if a download is “Complete” or “In Progress.”...

  • Page 45: Configuring Management Access

    Configuring Management Access Use the Management Configuration menu to define which VLAN has management access to the switch. Parameters shown on this screen are indicated in the following figure and table. <APPLY> Use <TAB> or arrow keys to move, <Space> to scroll options.

  • Page 46: Configuring The Switch

    <OK> Description Sets communication parameters for ports. Displays current port settings and port status. Configures the switch and its ports to participate in a local Spanning Tree. Displays the current Spanning Tree configuration for the switch and its ports. Specifies ports to group into aggregate trunks.
  • Page 47 Port GMRP Configuration* * Not implemented in this firmware release. Description Displays/configures extended bridge capabilities provided by this switch. Configures default port priorities and queue assignments. Displays basic VLAN information, such as VLAN version number and maximum VLANs supported. Displays VLAN groups and port members.

  • Page 48: Configuring Port Parameters

    SING THE YSTEM Configuring Port Parameters Use the Port Configuration menus to set or display communication parameters for any port or module in the stack. Port Configuration : Unit 1 Port ================== Flow Control on all ports : [Enable] [Disable] Port -------------------------------------------------------- 100FX...
  • Page 49 “blocking” traffic from end stations or segments connected directly to the switch when its buffers fill. IEEE 802.3x flow control is used for full duplex. Note that flow control should not be used if a port is connected to a hub.

  • Page 50: Viewing The Current Port Configuration

    SING THE YSTEM Viewing the Current Port Configuration The Port Information screen displays the port type, status, link state, and flow control in use, as well as the communication speed and duplex mode. To change any of the port settings, use the Port Configuration menu. Port Type ----------------------------------------------------------------...
  • Page 51 Shows the flow control type in use. Flow control can eliminate frame loss by “blocking” traffic from end stations connected directly to the switch. Back pressure is used for half duplex and IEEE 802.3x for full duplex. Note that flow control should not be used if a port is connected to a hub.

  • Page 52: Using The Spanning Tree Algorithm

    The Spanning Tree Algorithm can be used to detect and disable network loops, and to provide backup links between switches, bridges or routers. This allows the switch to interact with other bridging devices (that is, an STA-compliant switch, bridge or router) in your network to ensure that only one route exists between any two stations on the network.
  • Page 53 Parameter Default Spanning Tree Enabled Protocol Priority 32,768 Hello Time ONFIGURING THE Description Enable this parameter to participate in a STA compliant network. Device priority is used in selecting the root device, root port, and designated port. The device with the highest priority becomes the STA root device.
  • Page 54 SING THE YSTEM Parameter Default Max (Message) Forward Delay 15 2-36 ONFIGURATION ROGRAM Description The maximum time (in seconds) a device can wait without receiving a configuration message before attempting to reconfigure. All device ports (except for designated ports) should receive configuration messages at regular intervals.

  • Page 55: Configuring Sta For Ports

    : 1000BASE-T Defines the priority for the use of a port in the STA algorithm. If the path cost for all ports on a switch are the same, the port with the highest priority (i.e., lowest value) will be configured as an active link in the Spanning Tree.
  • Page 56 SING THE YSTEM Parameter Default (Path) Cost 100/19/4 Fast Enabled Forwarding Note: Fast Forwarding enables end-node workstations and servers to overcome time-out problems when the Spanning Tree Algorithm is implemented in a network. Therefore, Fast Forwarding should only be enabled for ports connected to an end-node device. 2-38 ONFIGURATION ROGRAM...

  • Page 57: Viewing The Current Spanning Tree Information

    Viewing the Current Spanning Tree Information The Spanning Tree Information screen displays a summary of the STA information for the overall bridge or for a specific port. To make any changes to the parameters for the Spanning Tree, use the Spanning Tree Configuration menu.
  • Page 58 The priority and MAC address of the device in the Spanning Tree that this switch has accepted as the root device. The path cost from the root port on this switch to the root device. The number of the port on this switch that is closest to the root.

  • Page 59: Displaying The Current Sta For Ports

    Displaying the Current STA for Ports The parameters shown in the following figure and table are for port STA Information. Spanning Tree Port Information : Unit 1 Port ============================== Port Type Status ----------------------------------------------------------------------- 100FX NO LINK 100FX NO LINK 100FX NO LINK 100FX NO LINK...
  • Page 60 • If two ports of a switch are connected to the same segment and there is no other STA device attached to this segment, the port with the smaller ID forwards packets and the other is blocked.
  • Page 61 Spanning Tree. Designated The priority and number of the port on the designated bridging Port (ID) device through which this switch must communicate with the root of the Spanning Tree. ONFIGURING THE WITCH...

  • Page 62: Using A Mirror Port For Analysis

    SING THE YSTEM Using a Mirror Port for Analysis You can mirror traffic from any source port to a target port for real-time analysis. You can then attach a logic analyzer or RMON probe to the target port and study the traffic crossing the source port in a completely unobtrusive manner.

  • Page 63: Configuring Port Trunks

    Configuring Port Trunks Port trunks can be used to increase the bandwidth of a network connection or to ensure fault recovery. You can configure up five trunk connections (combining 2~4 ports into a fat pipe) between any two standalone SMC6924MT switches, or up to 12 for an entire stack. However, before making any physical connections between devices, use the Trunk Configuration menu to specify the trunk on the devices at both ends.
  • Page 64 Configure up to five trunks per switch. Shows if the selected trunk is enabled or disabled. Specifies a switch unit in the stack (1~4). Select from 2 ~ 4 ports per trunk. Displays trunk settings, where the first trunk listed is specified by “Trunk ID.”...
  • Page 65 The 100BASE-FX fiber ports used for one side of a trunk must all be on the same module. However, the 1000BASE-X ports used for one side of a trunk may be on any switch in the stack, or both on the same switch if used standalone.

  • Page 66: Igmp Multicast Filtering

    The switch looks up the IP Multicast Group used for this service and adds any port which received a similar request to that group. It then propagates the service request on to any neighboring multicast switch/router to ensure that it will continue to receive the multicast service.

  • Page 67: Configuring Igmp

    Configuring IGMP This protocol allows a host to inform its local switch/router that it wants to receive transmissions addressed to a specific multicast group. You can use the IGMP Configuration screen to configure multicast filtering shown below. IGMP Status IGMP Query Count IGMP Report Delay (Seconds) : 10 <APPLY>...

  • Page 68: Configuring Broadcast Storm Control

    YSTEM Configuring Broadcast Storm Control Use the Broadcast Storm Control Configuration screen to enable broadcast storm control for any port on the switch, as shown below. Broadcast Storm Control Configuration : Unit 1 Port ====================================== Broadcast control on all ports :...

  • Page 69: Configuring Bridge Mib Extensions

    : DISABLED GVRP : DISABLED <OK> Description This switch does not support filtering of individual multicast addresses based on GMRP (GARP Multicast Registration Protocol). This switch provides mapping of user priorities to multiple traffic classes. (Refer to “802.1p Port Traffic Class Information”...
  • Page 70 * Not enabled in this firmware release. 2-52 ONFIGURATION ROGRAM Description This switch allows you to override the default PVID (Port VLAN ID) assigned to untagged incoming frames under “802.1Q VLAN Port Configuration” on page 2-62.) This switch does not support multiple local bridges (that is, multiple Spanning Trees).

  • Page 71: Configuring Traffic Classes

    Configuring Traffic Classes IEEE 802.1p defines up to 8 separate traffic classes. This switch supports Quality of Service (QoS) by using two priority queues, with Weighted Fair Queuing for each port. You can use the 802.1P Configuration menu to configure the default priority for each port, or to display the mapping for the traffic classes as described in the following sections.

  • Page 72: Port Priority Configuration

    SING THE YSTEM Port Priority Configuration Inbound frames that do not have any VLAN tags are tagged with the input port’s default VLAN ID (PVID) and the Default Ingress User Priority as shown in the following menu, and then sorted into the appropriate priority queue at the output port.

  • Page 73: P Port Traffic Class Information

    Classes 802.1p Port Traffic Class Information This switch provides two priority levels with Weighted Fair Queuing for port egress. This means that any frames with a priority tag from 0~3 are sent to the low priority queue “0” while those from 4~7 are sent to the high priority queue “1”...

  • Page 74: Configuring Virtual Lans

    Configuring Virtual LANs You can use the VLAN configuration menu to assign any port on the switch to any of up to 256 LAN groups. In conventional networks with routers, broadcast traffic is split up into separate domains. Switches do not inherently support broadcast domains.

  • Page 75: 802.1Q Vlan Current Table Information

    [More] Use <TAB> or arrow keys to move. <Enter> to select. Parameter Deleted VLAN Entry Counts Description on this switch. The number of VLANs currently configured on this switch. Creation Time Current Untagged Ports Port 1 Port 13 Port 25 <OK>...
  • Page 76 ROGRAM Description The value of sysUpTime (System Up Time) when this VLAN was created. Shows how this VLAN was added to the switch. Dynamic GVRP: Automatically learned via GVRP. Permanent: Added as a static entry. Stack unit. Shows the ports which have been added to the displayed VLAN group, where “1”...

  • Page 77: 802.1Q Vlan Static Table Configuration

    Or you can prevent a port from being automatically added to a VLAN by the GVRP protocol. The switch supports an overlapping VLAN feature that allows any port to be configured as a member of multiple VLANs. This enables inter-switch links to carry traffic from VLANs that cross the network.
  • Page 78 SING THE YSTEM Parameter VLAN Name Status Unit Egress Ports Forbidden Egress Ports Untagged Ports [Show] [More] [New] 2-60 ONFIGURATION ROGRAM Description The ID for the VLAN currently displayed. Range: 1-2048 A user-specified symbolic name for this VLAN. String length: Up to 8 alphanumeric characters Sets the current editing status for this VLAN as: Not in Service, Destroy or Active.
  • Page 79 <APPLY> Use <TAB> or arrow keys to move, other keys to make changes. Notes: 1. To allow this switch to participate in a VLAN group that extends beyond this switch, you must add the VLAN ID for the required external groups.

  • Page 80: 802.1Q Vlan Port Configuration

    Description The VLAN ID assigned to untagged frames received on this port. This switch accepts “All” frame types, including VLAN tagged or VLAN untagged frames. Note that all VLAN untagged frames received on this port are assigned to the PVID for this port.
  • Page 81 GVRP packets received on this port will be discarded and no GVRP registrations will be propagated from other ports. Note that GVRP must be enabled for the switch before this setting can take effect. (See Device Control Menu / Extended Bridge Configuration.) The total number of failed GVRP registrations, for any reason, on this port.

  • Page 82: Port Security Configuration

    Port Security Configuration Use the Port Security Configuration screen to enable and configure port security for the switch. Port Security allows you to configure each port with a list of MAC addresses of devices that are authorized to access the network through that port.
  • Page 83 MAC address does not match one of the addresses in the MAC Address list. If set to Learning, the switch will add the source MAC address of all packets received on the port to the authorized MAC Address list.

  • Page 84: Monitoring The Switch

    Displays detailed statistical information for the selected port such as packet type and frame size counters. Provides full listing of all unicast addresses stored in the switch, as well as sort, search and clear functions. Displays the ports that belong to each GMRP Multicast group.

  • Page 85: Displaying Port Statistics

    Error statistics on the traffic passing through each port are displayed. This information can be used to identify potential problems with the switch (such as a faulty port or unusually heavy loading). The values displayed have been accumulated since the last system reboot.

  • Page 86: Menu Description

    SING THE YSTEM Menu SQE Test Errors* Deferred Transmissions* Late Collisions Excessive Collisions* Internal Mac Transmit Errors* Carrier Sense Errors* Frames Too Long Internal Mac Receive Errors* * The reported values will always be zero because these statistics are not supported by the internal chip set.

  • Page 87: Displaying Rmon Statistics

    Displaying RMON Statistics Use the RMON Statistics screen to display key statistics for each port from RMON group 1. (RMON groups 2, 3 and 9 can only be accessed using SNMP management software such as EliteView.) The following screen displays the overall statistics on traffic passing through each port. RMON statistics provide access to a broad range of statistics, including a total count of different frame types and sizes passing through each port.
  • Page 88 SING THE YSTEM Menu Multicast Frames CRC/Alignment Errors Undersize Frames Oversize Frames Fragments Jabbers Collisions 64 Byte Frames 65-127 Byte Frames 128-255 Byte Frames 1024-1518 Byte Frames Note: Statistics are automatically refreshed every five seconds (see page 2-17). 2-70 ONFIGURATION ROGRAM Description The total number of good frames received that were...

  • Page 89: Displaying The Unicast Address Table

    Displaying the Unicast Address Table The Address Table contains the MAC addresses and VLAN identifier associated with each port (that is, the source port associated with the address and VLAN), sorted by MAC address or VLAN ID. You can search for a specific address, clear the entire address table, or information associated with a specific address, or set the aging time for deleting inactive entries.
  • Page 90 [More] [Clear] [Clear Dynamic] 2-72 ONFIGURATION ROGRAM Description Switch unit in the stack (1~6). The port whose address table includes this MAC address. Indicates address status as: D: Dynamically learned, or P: Fixed permanently by SNMP network management software. Selects the primary key used to sort/clear the table: MAC or VID.

  • Page 91: Displaying The Ip Multicast Registration Table

    Displaying the IP Multicast Registration Table Use the IP Multicast Registration Table to display all the multicast groups active on this switch, including multicast IP addresses and the corresponding VLAN ID. Multicast IP -------------------------------------------------------------------- 225.1.1.1 Sorted by Multicast IP : [Show] Use <TAB>...

  • Page 92: Configuring Static Unicast Addresses

    Use the Static Unicast Address Table Configuration screen to manually configure host MAC addresses in the unicast table. You can use this screen to associate a MAC address with a specific VLAN ID and switch port as shown below. Static Unicast Address Table Configuration...
  • Page 93 The status for an entry can be set to: Permanent This entry is currently in use and will remain so after the next reset of the switch. DeleteOnReset This entry is currently in use and will remain so until the next reset.

  • Page 94: Resetting The System

    Keep User Authentication Retains the user names and passwords defined in the [Restart] Logging Off the System Use the Exit command under the Main Menu to exit the configuration program and terminate communications with the switch for the current session. 2-76 ONFIGURATION...

  • Page 95: Web-Based Management

    SNMP management functions with access to the switch’s MIB and RMON database. Prior to accessing the switch from a Web browser, be sure you have first performed the following tasks: 1. Configure it with a valid IP address, subnet mask, and default gateway using an out-of-band serial connection or BOOTP protocol.

  • Page 96: Navigating The Web Browser Interface

    Home Page When your Web browser connects with the switch’s Web agent, the home page is displayed as shown below. The home page displays the Main Menu on the left-hand side of the screen and System Information on the right-hand side.

  • Page 97: Configuration Options

    If this is your first time to access the management agent, you should define a new Administrator password, record it and put it in a safe place. From the Main Menu, select Security and enter a new password for the Administrator.

  • Page 98: Panel Display

    ANAGEMENT Panel Display The Web agent displays an image of the switch’s ports, showing port links and activity. Clicking on the image of a port displays statistics and configuration information for the port. Clicking on the image of the serial port (labeled “Mgmt”) displays the Console Configuration screen.

  • Page 99: Console Configuration

    Web agent. Click on the serial port icon in the switch image to display or configure these settings, as shown below.
  • Page 100 ASED ANAGEMENT Parameter Default Data bits 8 bits Stop bits 1 bit Parity none Auto-Refresh 5 seconds Time Description Sets the data bits of the RS-232 port. Options : 7, 8 Sets the stop bits of the RS-232 port. Options : 1, 2 Sets the parity of the RS-232 port.

  • Page 101: Main Menu

    Main Menu Using the on-board Web agent, you can define system parameters, manage and control the switch, the connected stack and all its ports, or monitor network conditions. The following table briefly describes the selections available from this program. Menu...

  • Page 102: System Information

    ASED ANAGEMENT System Information Use the System Information screen to display descriptive information about the switch, or for quick system identification as shown in the following figure and table. Parameter System Name* IP Address Object ID Location* Contact* System Up Time Maximum string length is 255, but the screen only displays 45 characters.

  • Page 103: Switch Information

    Switch Information Use the Switch Information screen to display hardware/firmware version numbers for the main board, as well as the power status and modules plugged into the system. Main Board Parameter Serial Number Number of Ports Hardware Version Firmware Version Internal Power Status Power status for the switch.

  • Page 104: Agent Module

    ASED ANAGEMENT Agent Module Parameter Hardware Version POST ROM Version Agent module’s Power-On Self-Test version. Firmware Version Role Expansion Slot Parameter Expansion Slot 1 Expansion Slot 2 3-10 Description Hardware version of the agent module. Agent module’s firmware version. Shows that the agent module is operating as Master. Description Shows module type if inserted: 100BASE-FX (MMF or SMF), 1000BASE-SX,...

  • Page 105: Ip Configuration

    BOOTP Get IP - IP is enabled but will not function until a BOOTP reply has been received. BOOTP requests will be periodically broadcast by the switch in an effort to learn its IP address. (BOOTP values can include the IP address, default gateway, and subnet mask.) IP address of the switch you are managing.
  • Page 106 Number of Telnet sessions 3-12 Description Subnet mask of the switch you have selected. This mask identifies the host address bits used for routing to specific subnets. Gateway used to pass trap messages from the switch to the management station. Note that the gateway must be defined if the management station is located in a different IP segment.

  • Page 107: Snmp Configuration

    Network Management Station (NMS), can be used to access this information. Access rights to the agent module are controlled by community strings. To communicate with the switch, the NMS must first submit a valid community string for authentication. The options for configuring community strings and related trap functions are described in the following figures and table.

  • Page 108: Trap Managers

    ANAGEMENT Trap Managers The following figure and table describe how to specify management stations that will receive authentication failure messages or other trap messages from the switch. Up to 5 trap managers may be entered. Parameter Trap Manager Capability Trap Manager...

  • Page 109: Security Configuration

    Security Configuration Use the Security Configuration screen to restrict management access based on a specified password. The Administrator has write access for parameters governing the SNMP agent. You should therefore assign a password to the Administrator as soon as possible, and store it in a safe place.

  • Page 110: Firmware Upgrade Options

    Web Upload Management Use the Web Upload Management menu to load software updates into the switch. The upload file must be an SMC6924MT binary file from SMC; otherwise the agent will not accept it. The success of the upload operation depends on the quality of the network connection.

  • Page 111: Tftp Download Management

    TFTP Download Management Use the TFTP Download Management menu to load software updates into the switch. The download file should be an SMC6924MT binary file from SMC; otherwise the agent will not accept it. The success of the download operation depends on the accessibility of the TFTP server and the quality of the network connection.

  • Page 112: Configuration Save And Restore

    Configuration Save and Restore Use the Configure screen to save the switch configuration settings to a file on a TFTP server. The file can be later downloaded to the switch to restore the switch’s settings. The success of the operation depends on the accessibility of the TFTP server and the quality of the network connection.

  • Page 113: Configuration Download Management

    Start Configuration TFTP Download ONFIGURATION Description IP address of the TFTP server. The name of the file that contains the switch configuration settings you wish to restore. Issues a request to the TFTP server to download the specified file. AVE AND...

  • Page 114: Address Table Configuration

    ASED ANAGEMENT Address Table Configuration The Address Table contains the unicast MAC addresses and VLAN identifier associated with each port (that is, the source port), sorted by MAC address or VLAN. You can also clear the entire address table, or information associated with a specific address;...

  • Page 115: Spanning Tree Algorithm (Sta)

    The Spanning Tree Algorithm can be used to detect and disable network loops, and to provide backup links between switches, bridges or routers. This allows the switch to interact with other bridging devices (that is, STA-compliant switch, bridge or router) in your network to ensure that only one route exists between any two stations on the network.

  • Page 116: Spanning Tree

    The number of the port on this switch that is closest to the root. This switch communicates with the root device through this port. If there is no root port, then this switch has been accepted as the root device of the spanning tree network.

  • Page 117: Ports

    Ports The parameters shown in the following figure and table are for port STA Information. Parameter Description Port Status Displays the current state of this port within the spanning tree: No Link Disabled Blocked Listening Learning Forwarding PANNING No link has been established on this port. Port has been disabled by the user or has failed diagnostics.
  • Page 118 • A port on a network segment with no other STA compliant bridging device is always forwarding. • If two ports of a switch are connected to the same segment and there is no other STA device attached to this segment, the port with the smaller ID forwards packets and the other is blocked.

  • Page 119: Spanning Tree Configuration

    The following figures and tables describe Bridge STA configuration. Switch Parameter Default Usage Enabled Priority 32,768 When the Switch Becomes Root Parameter Default Hello Time PANNING Description Enable this parameter to participate in an STA compliant network. Device priority is used in selecting the root device, root port, and designated port.
  • Page 120 ASED ANAGEMENT Parameter Default (Message) Age Forward Delay 3-26 Description The maximum time (in seconds) a device can wait without receiving a configuration message before attempting to reconfigure. All device ports (except for designated ports) should receive configuration messages at regular intervals. Any port that ages out STA information (provided in the last configuration message) becomes the designated port for the attached LAN.

  • Page 121: Sta Port Configuration

    See “Fast Forward” in this table. Defines the priority for the use of a port in the STA algorithm. If the path cost for all ports on a switch is the same, the port with the highest priority (i.e., lowest value) will be configured as an active link in the spanning tree.
  • Page 122 ASED ANAGEMENT Parameter Default Path Cost 100/19/4 This parameter is used by the STA algorithm to Fast Forward Enabled 3-28 Description determine the best path between devices. Therefore, lower values should be assigned to ports attached to faster media, and higher values assigned to ports with slower media.

  • Page 123: Configuring Bridge Mib Extensions

    This switch uses Shared VLAN Learning (SVL), where the VLAN filtering database is shared among all ports. This switch allows you to override the default PVID (Port VLAN ID) assigned to untagged incoming frames under VLAN Port Configuration on “VLAN Port Configuration”...

  • Page 124: Bridge Settings

    GARP Multicast Registration Protocol (GMRP) allows network devices to register endstations with multicast groups. IGMP Snooping is currently used by this switch to provide automatic multicast filtering. GARP VLAN Registration Protocol (GVRP) defines a way for switches to exchange VLAN information in order to register necessary VLAN members on ports across the network.

  • Page 125: Priority

    Priority IEEE 802.1p defines up to 8 separate traffic classes. This switch supports Quality of Service (QoS) by using two priority queues, with Weighted Fair Queuing for each port. You can use the Priority Menu to configure the default priority for each port, or to display the mapping for the traffic classes.

  • Page 126: Port Traffic Class Information

    Traffic Classes Port Traffic Class Information This switch provides two priority levels with weighted fair queuing for port egress. This means that any frames with a default or user priority from 0~3 are sent to the low priority queue “0” while those from 4~7 are sent to the high priority queue “1”...

  • Page 127: Vlan Management

    VLAN Management Use the VLAN Management screen to define which VLAN has management access to the switch. Parameters shown on this screen are indicated in the following figure and table: Parameter CPU Join VLAN All VLAN ID Default Description Select ALL to give all VLANs access to switch management, or ONE to restrict access to a specified VLAN.
  • Page 128 Configuring Virtual LANs You can use the VLAN configuration menu to assign any port on the switch to any of up to 256 LAN groups. In conventional networks with routers, broadcast traffic is split up into separate domains. Switches do not inherently support broadcast domains.

  • Page 129: Configuring Virtual Lans

    The ID for the VLAN currently displayed. The value of System Up Time (sysUpTime) when this VLAN was created. Shows how this VLAN was added to the switch. Dynamic GVRP: Automatically learned via GVRP. Permanent: Added as a static entry.

  • Page 130: Vlan Static List

    Lists all the current VLAN groups created for this system. Up to 256 VLAN groups can be defined. To allow this switch to participate in a VLAN group that extends beyond this switch, you must add the VLAN ID for the required external groups.

  • Page 131: Vlan Static Table

    VLAN 1 is fixed as an untagged VLAN containing all ports in the stack, and cannot be modified via this screen.) The switch supports an overlapping VLAN feature that allows any port to be configured as a member of multiple VLANs. This enables inter-switch links to carry traffic from VLANs that cross the network.
  • Page 132 ASED ANAGEMENT Parameter Egress Ports Use the menu shown below to prevent a port from being dynamically added to the displayed VLAN group through GVRP. Parameter Forbidden Egress Ports 3-38 Description Adds ports to the specified VLAN. Description Prevents a port from being automatically added to this VLAN via GVRP.
  • Page 133 Use the menu shown below to assign ports to the specified VLAN group as an IEEE 802.1Q tagged or untagged port. Assign ports as tagged if they are connected to 802.1Q VLAN compliant devices, or untagged if they are connected to VLAN-unaware devices. Parameter Description Untagged Ports...

  • Page 134: Vlan Static Membership By Port

    To perform detailed port configuration for a specific VLAN, use the VLAN Static Table (page 3-37). Parameter Port Number Add/Remove 3-40 Description Port number on the switch selected from the upper display panel. Add or remove selected VLAN groups for the port indicated in the Port Number field.

  • Page 135: Vlan Port Configuration

    GVRP packets received on this port will be discarded and no GVRP registrations will be propagated from other ports. Note that GVRP must be enabled for the switch before this setting to take effect. (See “Configuring Bridge MIB Extensions” on page 3-29.) The total number of failed GVRP registrations, for any reason, on this port.

  • Page 136: Igmp Multicast Filtering

    The switch looks up the IP Multicast Group used for this service and adds any port which received a similar request to that group. It then propagates the service request on to any neighboring multicast switch/router to ensure that it will continue to receive the multicast service.

  • Page 137: Configuring Igmp

    Use the IGMP Configuration screen to set key parameters for multicast filtering as shown below. Parameter IGMP Status Act as IGMP Querier If enabled, the switch can serve as the “querier”, which is IGMP Query Count IGMP Report Delay Note: The default values are indicated in the sample screen.

  • Page 138: Ip Multicast Registration Table

    ASED ANAGEMENT IP Multicast Registration Table Use the IP Multicast Registration Table to display all the multicast groups active on this switch, including multicast IP addresses and the corresponding VLAN ID. Parameter VLAN ID Multicast IP Address Learned by Multicast Group...

  • Page 139: Port Menus

    Shows the flow control type in use. Flow control can eliminate frame loss by “blocking” traffic from end stations connected directly to the switch. Back pressure is used for half duplex and IEEE 802.3x for full duplex. Note that flow control should not be used if a port is connected to a hub.

  • Page 140: Port Configuration

    ASED ANAGEMENT Port Configuration Use the Port Configuration menu to configure any port on the switch. Parameter Default Flow Control Disabled Mode (on all ports) Admin Status Enable Duplex Status 100M Full-Duplex 3-46 Description See “Flow Control Status” in this table.
  • Page 141 “blocking” traffic from end stations or segments connected directly to the switch when its buffers fill. Back pressure is used for half duplex and IEEE 802.3x for full duplex. Note that flow control should not be used if a port is connected to a hub.

  • Page 142: Port Broadcast Storm Protect Configuration

    ASED ANAGEMENT Port Broadcast Storm Protect Configuration Use the Port Broadcast Storm Protect Configuration screen to configure broadcast storm control for any port on the switch. Parameter Broadcast Storm Protect Mode Protect Status Threshold 3-48 Default Description Enabled Allows you to enable/disable broadcast storm control for all ports on the switch.

  • Page 143: Port Security Configuration

    Port Security Configuration Use the Port Security Configuration screen to enable and configure port security for the switch. Port Security allows you to configure each port with a list of MAC addresses of devices that are authorized to access the network through that port.

  • Page 144: Using A Port Mirror For Analysis

    Mirror Target Port 3-50 Description Enables/disables port mirroring. The switch containing the mirror source port. The port whose traffic will be monitored. The switch containing the mirror target port. The port that will duplicate or “mirror” all the traffic happening on the monitored port.

  • Page 145: Port Trunk Configuration

    Port Trunk Configuration Port trunks can be used to increase the bandwidth of a network connection or to ensure fault recovery. You can configure up five trunk connections (combining 2~4 ports into a fat pipe) between any two standalone SMC6924MT switches, or up to 12 for an entire stack. However, before making any physical connections between devices, use the Trunk Configuration menu to specify the trunk on the devices at both ends.
  • Page 146 Enables or disables the displayed trunk. You can create up to 12 trunks for the entire stack by specifying the trunk identifier, switch unit and port number, and then pressing the “Add” button. Each trunk can contain from 2 to 4 ports.
  • Page 147 The 100BASE-FX SC-type fiber ports used for one side of a trunk must all be on the same module. However, the 1000BASE-X ports used for one side of a trunk may be on any switch in the stack, or both on the same switch if used standalone.

  • Page 148: Port Statistics

    Error statistics on the traffic passing through each port are displayed. This information can be used to identify potential problems with the switch (such as a faulty port or unusually heavy loading). Values displayed have been accumulated since the last system reboot.
  • Page 149 The number of frames for which reception failed due to an Errors* internal MAC sublayer receive error. * The reported values will always be zero because these statistics are not supported by the internal chip set used in this switch. Note: Statistics are automatically refreshed every 60 seconds. TATISTICS 3-55...

  • Page 150: Rmon Statistics

    ASED ANAGEMENT RMON Statistics RMON Statistics display key statistics for each port or media module from RMON group 1. (RMON groups 2, 3 and 9 can only be accessed using SNMP management software such as EliteView.) The following screen displays overall statistics on traffic passing through each port. RMON statistics provide access to a broad range of statistics, including a total count of different frame types passing through each port.
  • Page 151 Parameter Description Oversize Frames The total number of frames received that were longer than 1518 octets (excluding framing bits, but including FCS octets) and were otherwise well formed. Fragments The total number of frames received that were less than 64 octets in length (excluding framing bits, but including FCS octets) and had either an FCS or alignment error.
  • Page 152 ASED ANAGEMENT 3-58...

  • Page 153: Advanced Topics

    If the source MAC address of the frame was not found in the address database, it is recorded along with the incoming port number where it entered the switch. This information is then used to make later decisions for frame forwarding.

  • Page 154: Spanning Tree Algorithm

    The Spanning Tree Algorithm (that is, the STA configuration algorithm as outlined in IEEE 802.1D) can be used to detect and disable network loops, and to provide link backup. This allows the switch to interact with other bridging devices (including STA-compliant switches, bridges or routers) in your network to ensure that only one route exists between any two stations on the network.

  • Page 155: Virtual Lans

    This switch creates segregated broadcast domains based on easily configurable VLANs, these are then linked, as required, via a router or Layer 3 switch. An IEEE 802.1Q VLAN is a group of ports that can be located anywhere in the network, but communicate as though they belong to the same physical segment.

  • Page 156: Assigning Ports To Vlans

    DVANCED OPICS addresses or IP subnets. VLANs inherently provide a high level of network security, since traffic must pass through a Layer 3 switch or a router to reach a different VLAN. This switch supports the following VLAN features: •...

  • Page 157: Port Overlapping

    VLAN groups, such as file servers or printers. Note that if you implement VLANs which do not overlap, but still need to communicate, you can connect them using a Layer 3 switch or a router. Forwarding Tagged/Untagged Frames Ports can be assigned to multiple tagged or untagged VLANs.

  • Page 158: Connecting Vlan Groups

    IGMP Query and Report messages. IGMP Snooping A Layer 2 switch can passively snoop on IGMP Query and Report packets transferred between IP Multicast Routers/Switches and IP Multicast host groups to learn the IP Multicast group members. It simply monitors the...

  • Page 159: Igmp Protocol

    A router, or multicast-enabled switch, can periodically ask their hosts is they want to receive multicast traffic. If there is more than one router/ switch on the LAN performing IP multicasting, one of these devices is elected “querier” and assumes the responsibility of querying the LAN for group members.

  • Page 160: Port Trunks

    • Priority can be explicitly assigned by end stations which have applications that require a higher priority than best-effort. This switch utilizes the IEEE 802.1p and 802.1Q tag structure to decide priority assignments for the received packets.

  • Page 161: Snmp Management Software

    SNMP Management Software SNMP (Simple Network Management Protocol) is a communication protocol designed specifically for managing devices or other elements on a network. Network equipment commonly managed with SNMP includes hubs, switches, bridges, routers and host computers. SNMP is typically used to configure these devices for proper operation in a network environment, as well as monitor them to evaluate performance and detect potential problems.
  • Page 162 DVANCED OPICS This switch provides support for mini-RMON which contains the four key groups required for basic remote monitoring. These groups include: Statistics: Includes all the tools needed to monitor your network for common errors and overall traffic rates. Information is provided on bandwidth utilization, peak utilization, packet types, errors and collisions, as well as the distribution of packet sizes.

  • Page 163: Troubleshooting

    Be sure to have configured the agent with a valid IP address, subnet mask and default gateway. • Check that you have a valid network connection to the switch and that the port you are using has not been disabled. • Check network cabling between the management station and the switch.

  • Page 164: Upgrading Firmware Via The Serial Port

    ROUBLESHOOTING Upgrading Firmware via the Serial Port You can upgrade system firmware by connecting your computer to the serial port on the switch, and using a console interface package that supports the XModem protocol. (See “Required Connections” on page 1-2.) 1.
  • Page 165 (D)ownload another Image or (S)tart Application: [S] s Change Baud Rate to 19200 and Press <ENTER>. For details on managing the switch, refer to Chapter 2 for information on the out-of-band console interface, or Chapter 3 for information on the Web interface.
  • Page 166 ROUBLESHOOTING...

  • Page 167: Console Port Pin Assignments

    Console Port Pin Assignments The DB-9 serial port on the switch’s rear panel is used to connect to the switch for out-of-band console configuration. The on-board menu-driven configuration program can be accessed from a terminal, a PC running a terminal emulation program, or from a remote location via a modem connection.

  • Page 168: Console Port To 9-Pin Com Port On Pc

    2 RXD <---------RXD ------------ 3 TXD -----------TXD ----------> 5 SGND -----------SGND ---------- No other pins are used. Console Port to 25-Pin DTE Port on PC Switch’s 9-Pin Serial Port 2 RXD <---------RXD ------------ 3 TXD -----------TXD ----------> 5 SGND -----------SGND ---------- No other pins are used.

  • Page 169: Glossary

    Defines a way for switches to exchange VLAN information in order to register necessary VLAN members on ports along the Spanning Tree so that VLANs defined in each switch can work automatically over a Spanning Tree network. Generic Attribute Registration Protocol (GARP)

  • Page 170: Link Aggregation

    LOSSARY IEEE 802.1D Specifies a general method for the operation of MAC bridges, including the Spanning Tree Protocol. IEEE 802.1Q VLAN Tagging defines Ethernet frame tags which carry VLAN information. It allows switches to assign end-stations to different virtual LANs, and defines a standard way for VLANs to communicate across switched networks.

  • Page 171: Port Trunk

    Port Trunk Defines network link aggregation and trunking standards which specify how to create a single high-speed logical link that combines several lower-speed physical links. Remote Monitoring (RMON) RMON provides comprehensive network monitoring capabilities. It eliminates the polling required in standard SNMP, and can set alarms on a variety of traffic conditions, including specific errors types.
  • Page 172 LOSSARY Virtual LAN (VLAN) A Virtual LAN is a collection of network nodes that share the same collision domain regardless of their physical location or connection point in the network. A VLAN serves as a logical workgroup with no physical barriers, allowing users to share information and resources as though located on the same LAN.

  • Page 173: Index

    Numerics 802.1p port priority 3-31 802.1Q VLANs 2-56 3-34 802.3x flow control 2-31 analyzer port configuration 2-44 baud rate configuration 2-17 BOOTP enabling 2-14 3-11 for IP configuration 1-5 BPDU 4-2 Bridge Protocol Data Units See BPDU bridge STA information 2-39 Broadcast Storm Control 2-50 Class-of-Service 4-7 community names, configuring 2-20...
  • Page 174 NDEX Internet Group Management Protocol See IGMP IP configuration 2-13 3-11 Layer 2 switching 4-1 link aggregation 2-45 3-51 login configuration 2-22 3-15 console interface 2-1 MAC address of system 2-12 MAC address table, displaying 2-71 management options 1-1 software, SNMP 4-9 mirror port configuration 2-44 multicast filtering 4-6...
  • Page 175 2-28 switching, Layer 2 4-1 system information 2-7 tagged ports 4-4 VLANs 4-5 TFTP downloads 2-24 3-17 time-out, console 2-18 traffic classes configuration 2-53 trap managers, configuring 2-21 troubleshooting A-1 trunk port configuration 2-45 unicast address table configuring 2-74...
  • Page 176 NDEX Index-4...
  • Page 178 FOR TECHNICAL SUPPORT, CALL: From U.S.A. and Canada (24 hours a day, 7 days a week) (800) SMC-4-YOU; (949) 679-8000; Fax: (949) 679-1481 From Europe (8:00 AM - 5:30 PM UK Time) 44 (0) 118 974 8700; Fax: 44 (0) 118 974 8701 INTERNET E-mail addresses: techsupport@smc.com...

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