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S1720GFR, S2700, S5700, and S6720 V200R010C00 Web-based Configuration Guide

This document describes the configuration and maintenance of device through the web network management system. The web network management system provides the functions of viewing device information and managing the entire system, interfaces, services, ACL, QoS, routes, security, and tools.
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Stacking

Stacking

The stacking function connects multiple stacking-capable devices together to logically function as one device. Up to five , S2750EIs, and S2720s can be connected through stack cables in a ring or chain topology. Up to nine devices of other models can be connected through stack cables in a ring or chain topology. All stacked devices logically function as one device to forward packets. There are three roles of devices in a stack: master switch, standby switch, and slave switch. All of the three types of switches are called member switches. The Ethernet switches in a stack function as one device. You can manage all the switches in a stack by using the master switch.

Context

  • A stack can be set up using service interface connections or stack card connections.
    • The following models support service interface connections: S2720, S2750EI, S5700-P-LI (with GE uplink interfaces), S5700-TP-LI (with GE uplink interfaces), S5700-X-LI (with 10GE uplink interfaces), S5720-C-EI, S5720-X-EI, S5720-PC-EI, S5720-SI, S5720S-SI, S5720HI, S6720-EI, S6720S-EI, S5710-X-LI, S5700S-X-LI and S5700S-28P-PWR-LI-AC, S5720-LI, S5720S-LI. The stacking function is not supported on the S5700-10P-LI-AC, S5700-10P-PWR-LI-AC, S5700-28P-LI-BAT and S5700-28P-LI-24S-BAT in the S5700-P-LI series (with GE uplink interfaces).
      NOTE:
      A stack of S5700-52X-LI-48CS-AC switches cannot be managed by the web-based network management system.
    • The following product models support stack card connections: S5720-C-EI, S5720-X-EI, S5720-PC-EI, S5720-P-EI.
  • When a switch attempts to set up a stack with a switch enabled with the stacking function but the stacking-enabled switch has some configurations that the stack does not support, the new switch cannot join the stack and the system displays a message indicating that some configurations are not supported by the stack. As a result, the new switch cannot be added to the stack. The new switch can be added to the stack only after these configurations are deleted.
  • Before the stack is established, each switch is an independent entity. Each switch has its own IP address and functions individually. Therefore, you need to manage each switch separately. After the stack is established, all the member switches are presented as one unified logical entity. In this manner, you can manage and maintain all the member switches in a stack by using one IP address. The stacking protocol elects the master switch, standby switch, and slave switch in a stack. Then, data can be backed up and the active/standby switchover can be implemented.

Procedure

  • Configure the stack.
    1. Choose System Management > Stacking in the navigation tree to open the Stacking page, as shown in Figure 2-60. The actual display varies depending on the device model.

      Figure 2-60  Stacking

      Table 2-24 describes the parameters on the Stacking page.

      Table 2-24  Stacking

      Parameter

      Description

      Stack topology type

      Indicates the topology type of the stack. This parameter cannot be set.

      Stack system MAC

      Indicates the MAC address of the stack. This parameter cannot be set.

      Stacking

      Indicates whether the stacking function is enabled.

      MAC switching delay

      Indicates the delay of MAC address switching. This parameter takes effect after the device is restarted.

      By default, the MAC address switchover timer is disabled. The system performs the MAC address switchover immediately after the active/standby switchover occurs between switches. If the value of the MAC address switchover timer is set to 0, it indicates that MAC address switchover will not be performed.

      After a switchover occurs between the master and slave switches, the MAC address of the stack is switched to be that of the newly-elected master switch if the previous master switch does not rejoin the stack after the switchover times out.

      The MAC address switchover time of any member switch in a stack is the same as that of the master switch.

      Stack reserved VLAN

      Indicates the reserved VLAN of the stack. By default, a stack specifies VLAN 4093 as the reserved VLAN. A reserved VLAN is used for exchanging the stack protocol packets only.

    2. Set the parameters.
    3. Click OK.
  • Modify the stack.
    1. Choose System Management > Stacking in the navigation tree to open the Stacking page.
    2. Click , the Configure Stack Parameters page is displayed, as shown in Figure 2-61. The actual display varies depending on the device model.

      Figure 2-61  Stack Settings

      Table 2-25 describes the parameters on the Configure Stack page.

      Table 2-25  Stack Settings

      Parameter

      Description

      Next startup stack ID

      Indicates the stack ID. This parameter takes effect after the device is restarted.

      Stack IDs can be configured before or after the stack is established. By default, all the stack IDs of member switches in a stack are 0. If stack IDs are not configured for member switches before the stack is established, the stack assigns stack IDs to member switches after being established. After the stack is established successfully, all the configurations of the stack can be performed on the master switch only.

      Next startup priority

      Indicates the priority of the stack. This parameter takes effect after the device is restarted.

      The stack priority can be configured before or after the stack is established. If the stack is established, this parameter must be set on the master switch; otherwise, it is set on each switch.

    3. Set the parameters.
    4. Click OK.
  • Select the list of logical interface.
    1. Click the standby switch or master switch of the list of switch role. The selected physical stack interfaces of the switch are displayed in the list of logical interface, as shown in Figure 2-62.

      Figure 2-62  List of Logical Interfaces

    2. Click the icon, the Configure Stack Interface page is displayed, as shown in Figure 2-63.

      Figure 2-63  Configure Stack Interface

      Table 2-26 describes the parameters on the Configure Stack Interface page.

      Table 2-26  Stack Interface Configuration

      Parameter

      Description

      Logical interface name

      Indicates the name of the logical interface on the device.

      Physical Stack Interface

      Selects an interface as the physical stack interface.

    3. Selects the name of the interface that functions as a stack interface.
    4. Click OK.
    5. Return to the Stacking page, and click Apply.
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Updated: 2019-04-18

Document ID: EDOC1000114003

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