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Configuration Guide - Device Management

S1720, S2700, S5700, and S6720 V200R011C10

This document describes the principles and configurations of the Device Management features, and provides configuration examples of these features.
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Checking Whether a Stack Is Established Through Service Port Connections

Checking Whether a Stack Is Established Through Service Port Connections

After the stack powered on, review key indicators to confirm the stack has been established successfully. If the stack has been successfully established, log in to the stack and run commands to confirm that the stack topology matches the hardware connections. If a stack has not been established, log in to the stack (multiple independent switches) and run commands to locate and resolve the issues.

Reviewing Key Indicators to Confirm that a Stack Has Been Established

Context

After the stack powered on, review key indicators on the switch panels to confirm the stack has been established successfully.

Procedure

  • Press the mode switching button on any member switch to set the mode status indicator to work in STACK mode. A switch has a STCK indicator, which indicates the stack mode status. After you press the MODE button, the indicator is steady green or blinking and off in 45 seconds, indicating that the switch has entered the STACK mode.

    • If the mode status indicators on all the member switches change to the STACK mode, the stack has been established successfully. You can determine the stack IDs of the master switch and member switches by viewing the mode status indicator and service port indicators.
    • If the mode status indicators on some member switches do not change to the STACK mode, the stack has not been established.
  • Determine the stack IDs of the master switch and member switches through the status of service port indicators. Table 9-26 explains how to interpret service port indicators in STACK mode.
    Table 9-26  Service port indicators in STACK mode
    Color Status and Meaning

    Off

    Port indicators do not indicate the stack ID of the switch.

    Green

    If the indicator is steady on, the switch is not the master switch in the stack. If the indicator is blinking, the switch is the master switch in the stack.
    • If the indicator of a port is steady on, the switch where this port is located is not the master switch, and the number of this port is the stack ID of this switch.
    • If the indicator of a port is blinking, the switch where this port is located is the master switch, and the number of this port is the stack ID of this switch.
    • If the first nine port indicators of the switch are steady on, this switch is not the master switch, and its stack ID is 0.
    • If the first nine port indicators of the switch are blinking, this switch is the master switch, and its stack ID is 0.

Logging In to a Stack to Confirm that a Stack Has Been Established

Context

If a stack fails to be established, you can log in to the stack and run commands to check whether the stack topology corresponds to the hardware connections or to locate and rectify faults.

Procedure

  1. Log in to the stack.

    You can log in to a stack using the following methods:
    • Local login: Log in through the console interface of any member switch.
    • Remote login: Log in through the management interface or another Layer 3 interface of any member switch. You can remotely log in to the stack using Telnet, STelnet, web, or SNMP if your operation terminal has a reachable route to the stack.
      NOTE:
      • After switches with management interfaces form a stack, only the management interface on one member switch takes effect and becomes the master management interface. After the stack starts, the management interface on the master switch is used as the master management interface. If the management interface on the master switch is faulty or unavailable, the management interface on another member switch is used as the master management interface. If you connect your PC directly to a non-master management interface, you cannot log in to the stack.

      • After a stack is set up, all the member switches use the configuration file of the master switch.

      • A stack externally acts as a single switch and uses one management IP address. To remotely log in to a stack, you need to log in to the IP address of the master switch.

      • All stack member switches are able to forward traffic.

  2. Check whether the stack has been established successfully.

    Run the display device command to check whether the number of member switches in the stack is the same as the number of switches in the networking.
    <HUAWEI> display device
    S5700-28P-LI-AC's Device status:
    Slot Sub  Type                Online    Power      Register     Status   Role
    -------------------------------------------------------------------------------
    0    -   S5700-28P-LI         Present   PowerOn    Registered   Normal   Master
    1    -   S5700-28P-LI         Present   PowerOn    Registered   Normal   Standby
  3. Check whether the stack topology is the same as the actual hardware connections.
    • Run the display stack command to check whether the stack topology is the same as the actual hardware connections.

      <HUAWEI> display stack
      Stack mode: Service-port
      Stack topology type: Link
      Stack system MAC: 0018-82b1-6eb4
      MAC switch delay time: 2 min
      Stack reserved VLAN: 4093                                                                                                           
      Slot of the active management port: 0  
      Slot    Role        Mac address       Priority   Device type
      -------------------------------------------------------------
          0   Master      0018-82b1-6eb4   200          S5700-28P-LI-AC
          1   Standby     0018-82b1-6eba   150          S5700-28P-LI-AC
      
    • Run the display stack peers command to check whether neighboring information about the stack is the same as the actual hardware connections.

      <HUAWEI> display stack peers
      Slot      Port1                   Peer1       Port2                   Peer2
      ---------------------------------------------------------------------------
          0     STACK 1                   1         STACK 2                 None
          1     STACK 1                 None        STACK 2                   0
    • Run the display stack port command to view information about physical member ports added to a logical stack port.

      <HUAWEI> display stack port
      *down : administratively down                                                                                                       
      (r)   : Runts trigger error down                                                                                                    
      (c)   : CRC trigger error down                                                                                                      
      (l)   : Link-flapping trigger error down                                                                                            
      Logic Port         Phy Port                     Online       Status                                                                 
      ----------------------------------------------------------------------------
      stack-port0/1      GigabitEthernet0/0/27        present      up
      stack-port1/2      GigabitEthernet1/0/28        present      up
    • Run the display stack channel all command to check the stack link connections and status.

      <HUAWEI> display stack channel all
      !     : Port have received packets with CRC error.                                                                                  
      L-Port: Logic stack port                                                                                                            
      P-Port: Physical port                                                                                                               
      Slot  L-Port  P-Port        Speed  State  ||  P-Port        Speed  State  L-Port  Slot                                              
      --------------------------------------------------------------------------------------- 
      1     1/2     GE1/0/28      2G     UP         GE2/0/27      2G     UP     2/1     2
      2     2/1     GE2/0/27      2G     UP         GE1/0/28      2G     UP     1/2     1
      --------------------------------------------------------------------------------------- 
      
    • If they are the same, the stack has been established successfully.
    • If they are different, reconnect the member switches.
    • If the fault persists, rectify the fault according to Rectifying Common Stack Faults.

Rectifying Common Stack Faults

Common Causes

Some member switches may fail to be added to a stack for the following reasons:
  • Switches of different models cannot set up a stack.
  • A switch does not support the stacking function.
  • A switch has no electronic label or an incorrect electronic label.
  • Stack ports are incorrectly connected.
  • Stack cables are faulty.
  • The stack reserved VLAN is occupied.
  • MAC addresses of stack member switches conflict.

Procedure

  1. Check the switch model.

    Run the display device command to check the device model.

    <HUAWEI> display device
    S5700-28P-LI-AC's Device status:
    Slot Sub  Type                Online    Power      Register     Status   Role
    -------------------------------------------------------------------------------
    0    -    S5700-28P-LI        Present   PowerOn    Registered   Normal   Master
    • If switches of different models cannot set up a stack or a switch does not support the stacking function, replace the switch.
    • If the switches support stacking, proceed to the next step.
  2. Check that a correct electronic label has been loaded to the switch.

    Run the display elabel command to view the electronic label.

    <HUAWEI> display elabel
    /$[System Integration Version] 
    /$SystemIntegrationVersion=3.0 
    
    
    [Slot_0]
    /$[Board Integration Version]
    /$BoardIntegrationVersion=3.0
    
    
    [Main_Board]
    
    
    /$[ArchivesInfo Version]
    /$ArchivesInfoVersion=3.0
    
    
    [Board Properties]
    BoardType=CX22EMGEB
    BarCode=21023518320123456789
    Item=02351832
    Description=S5700-28P-LI,LS5ZC48CM,S5700-28P-LI Mainframe
    Manufactured=2009-02-05
    VendorName=Huawei
    IssueNumber=
    CLEICode=
    BOM=
    • If all fields under [Board Properties] are empty, no electronic label has been loaded to the switch. Replace the switch.

    • If fields under [Board Properties] are not empty, an electronic label has been loaded to the switch. Proceed to the next step.

  3. Check the stack cables.

    Run the display stack port command to check whether stack cables are correctly connected.

    <HUAWEI> display stack port
    *down : administratively down 
    Logic Port         Phy Port                     Online       Status
    ----------------------------------------------------------------------------
    stack-port0/1      GigabitEthernet0/0/1         present      up
    stack-port1/2      GigabitEthernet1/0/1         present      up
    • If the physical member ports are in the Up state, proceed to the next step.

    • If the status of a physical member port is in the Down state, check whether the switch connected to the port has been powered off or is restarting. If so, check whether the port status is in the Up state after the connected switch restarts. If not, replace the stack cable.

    • If the fault persists, proceed to the next step.

  4. Check whether the stack reserved VLAN is occupied.

    Run the display stack command to check the reserved VLAN of a member switch. By default, the reserved VLAN is 4093.

    Run the display vlan vlan-id command. If the reserved VLAN 4093 is not occupied, proceed to the next step.

    <HUAWEI> display vlan 4093
    Error: The VLAN does not exist. 
    • If the reserved VLAN 4093 is occupied, run either of the following commands to rectify the fault:

      • Run the stack reserved-vlan vlan-id command in the system view to modify the reserved VLAN.
      • Delete services in the reserved VLAN and run the undo vlan vlan-id command in the system view to delete the VLAN.
    • If the fault persists, proceed to the next step.

  5. Check whether MAC addresses of member switches conflict with each other.

    Run the display stack command to check whether the MAC address of the switch to be added to the stack conflicts with the MAC address of an existing member switch. If not, proceed to the next step.

    <HUAWEI> display stack
    Stack mode: Service-port
    Stack topology type: Link
    Stack system MAC: 0018-82b1-6eb4
    MAC switch delay time: 2 min
    Stack reserved vlan: 4093 
    Slot of the active management port: -- 
    Slot    Role        Mac address       Priority   Device type
    -------------------------------------------------------------
        0   Master      0018-82b1-6eb4    200        S5700-28P-LI-AC
        1   Standby     0018-82b1-6eba    150        S5700-28P-LI-AC
    
  6. Collect the following information and contact technical support personnel.
    • Results of the preceding troubleshooting procedure
    • Configuration file, logs, and alarms of switches
Relevant Alarms and Logs
  • Relevant Alarms

    • A stack port goes Up: FSP_1.3.6.1.4.1.2011.5.25.183.1.22.1 hwStackLinkUp
    • A stack port goes Down: FSP_1.3.6.1.4.1.2011.5.25.183.1.22.2 hwStackLinkDown
    • A switch has joined the stack: FSP_1.3.6.1.4.1.2011.5.25.183.1.22.6 hwStackStackMemberAdd
    • A switch has left the stack: FSP_1.3.6.1.4.1.2011.5.25.183.1.22.7 hwStackStackMemberLeave
    • Logical ports with the same ID on two switches are connected: FSP_1.3.6.1.4.1.2011.5.25.183.1.22.9 hwStackLogicStackPortLinkErr
    • Physical ports of the same logical port are connected to different devices: FSP_1.3.6.1.4.1.2011.5.25.183.1.22.10 hwStackPhyStackPortLinkErr
  • Relevant Logs

    None

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Updated: 2019-10-21

Document ID: EDOC1000178167

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