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NE40E V800R010C10SPC500 Commissioning Guide

This is NE40E V800R010C10SPC500 Commissioning Guide
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Commissioning PWE3

Commissioning PWE3

Users can choose to configure PWE3 based on the actual network planning. This section describes how to commission PWE3.

Prerequisites

The following configurations are complete, and the NE40E is running normally.

Context

PWE3 is configured on the network shown in Figure 6-10.

Figure 6-10 PWE3 networking

Procedure

  1. Run the display mpls l2vc command on the NE40E to view PW information.

    <HUAWEI> display mpls l2vc 102
     total LDP VC : 1     1 up       0 down
    
     *client interface     : GigabitEthernet1/0/0.1
      session state        : up
      AC status            : up
      VC state             : up
      VC ID                : 102
      VC type              : VLAN
      destination          : 2.2.2.2
      local VC label       : 146433       remote VC label      : 146432
      control word         : disable
      forwarding entry     : exist
      local group ID       : 0
      manual fault         : not set
      active state         : active
      link state           : up
      local VC MTU         : 1500         remote VC MTU        : 1500
      tunnel policy name   : --
      traffic behavior name: --
      PW template name     : --
      primary or secondary : primary
      create time          : 1 days, 1 hours, 14 minutes, 17 seconds
      up time              : 0 days, 0 hours, 3 minutes, 16 seconds
      last change time     : 0 days, 0 hours, 3 minutes, 16 seconds
      VC last up time      : 2010/02/17 08:23:07
      VC total up time     : 0 days, 21 hours, 43 minutes, 43 seconds
    

    The command output in bold shows that it can be seen by this command that the tunnel interface and link protocol of the tunnel are Up.

  2. Run the ping command on CE1 to test the connectivity between CE1 and CE2.

    <HUAWEI> ping 192.168.1.2
      PING 192.168.1.2: 56  data bytes, press CTRL_C to break
        Reply from 192.168.1.2: bytes=56 Sequence=1 ttl=255 time=31 ms
        Reply from 192.168.1.2: bytes=56 Sequence=2 ttl=255 time=10 ms
        Reply from 192.168.1.2: bytes=56 Sequence=3 ttl=255 time=5 ms
        Reply from 192.168.1.2: bytes=56 Sequence=4 ttl=255 time=2 ms
        Reply from 192.168.1.2: bytes=56 Sequence=5 ttl=255 time=28 ms
      --- 192.168.1.2 ping statistics ---
        5 packet(s) transmitted
        5 packet(s) received
        0.00% packet loss
        round-trip min/avg/max = 2/15/31 ms 
    

Common Troubleshooting

If the PW does not go Up, perform the following steps:

  1. Check that the two ends of the VC are configured with the same encapsulation type and MTU.

    Run the display mpls l2vc vc-id command to check VC information.

    <HUAWEI> display mpls l2vc 102
     total LDP VC : 1     1 up       0 down
    
     *client interface     : GigabitEthernet1/0/0.1
      session state        : up
      AC status            : up
      VC state             : up
      VC ID                : 102
      VC type              : VLAN
      destination          : 2.2.2.2
      local VC label       : 146433       remote VC label      : 146432
      control word         : disable
      forwarding entry     : exist
      local group ID       : 0
      manual fault         : not set
      active state         : active
      link state           : up
      local VC MTU         : 1500         remote VC MTU        : 1500
      tunnel policy name   : --
      traffic behavior name: --
      PW template name     : --
      primary or secondary : primary
      create time          : 1 days, 1 hours, 14 minutes, 17 seconds
      up time              : 0 days, 0 hours, 3 minutes, 16 seconds
      last change time     : 0 days, 0 hours, 3 minutes, 16 seconds
      VC last up time      : 2010/02/17 08:23:07
      VC total up time     : 0 days, 21 hours, 43 minutes, 43 seconds
    

    If the two ends are configured with different encapsulation types or MTUs, change the encapsulation type or MTU of one end to be the same as that of the other end.

    If the two ends are configured with the same encapsulation type and MTU but the fault persists, go to Step 2.

    NOTE:

    A VC can be Up only when the two ends of the VC are configured with the same encapsulation type and MTU.

  2. Check that the VC IDs of both ends of the VC are the same.

    <HUAWEI> display mpls l2vc 102
     total LDP VC : 1     1 up       0 down
    
     *client interface     : GigabitEthernet1/0/0.1
      session state        : up
      AC status            : up
      VC state             : up
      VC ID                : 102
      VC type              : VLAN
      destination          : 2.2.2.2
      local VC label       : 146433       remote VC label      : 146432
      control word         : disable
      forwarding entry     : exist
      local group ID       : 0
      manual fault         : not set
      active state         : active
      link state           : up
      local VC MTU         : 1500         remote VC MTU        : 1500
      tunnel policy name   : --
      traffic behavior name: --
      PW template name     : --
      primary or secondary : primary
      create time          : 1 days, 1 hours, 14 minutes, 17 seconds
      up time              : 0 days, 0 hours, 3 minutes, 16 seconds
      last change time     : 0 days, 0 hours, 3 minutes, 16 seconds
      VC last up time      : 2010/02/17 08:23:07
      VC total up time     : 0 days, 21 hours, 43 minutes, 43 seconds
    

    If the VC IDs of both ends of the VC are different, change the VC ID of one end to be the same as that of the other end.

    If the VC IDs of both ends of the VC are the same but the fault persists, go to Step 3.

    NOTE:

    A VC can be Up only when the VC IDs of both ends of the VC are the same.

  3. Check that the CWs configuration of both ends of the VC are the same.

    <HUAWEI> display mpls l2vc 102
     total LDP VC : 1     1 up       0 down
    
     *client interface     : GigabitEthernet1/0/0.1
      session state        : up
      AC status            : up
      VC state             : up
      VC ID                : 102
      VC type              : VLAN
      destination          : 2.2.2.2
      local VC label       : 146433       remote VC label      : 146432
      control word         : disable
      forwarding entry     : exist
      local group ID       : 0
      manual fault         : not set
      active state         : active
      link state           : up
      local VC MTU         : 1500         remote VC MTU        : 1500
      tunnel policy name   : --
      traffic behavior name: --
      PW template name     : --
      primary or secondary : primary
      create time          : 1 days, 1 hours, 14 minutes, 17 seconds
      up time              : 0 days, 0 hours, 3 minutes, 16 seconds
      last change time     : 0 days, 0 hours, 3 minutes, 16 seconds
      VC last up time      : 2010/02/17 08:23:07
      VC total up time     : 0 days, 21 hours, 43 minutes, 43 seconds
    

    If the CWs configuration of both ends of the VC are different, change the VC ID of one end to be the same as that of the other end.

    If the CWs configuration of both ends of the VC are the same but the fault persists, go to Step 4.

    NOTE:

    A VC can be Up only when the CWs of both ends of the VC are the same.

  4. Check that the LDP session between the two ends is Up.

    <HUAWEI> display mpls l2vc 102
     total LDP VC : 1     1 up       0 down
    
     *client interface     : GigabitEthernet1/0/0.1
      session state        : up
      AC status            : up
      VC state             : up
      VC ID                : 102
      VC type              : VLAN
      destination          : 2.2.2.2
      local VC label       : 146433       remote VC label      : 146432
      control word         : disable
      forwarding entry     : exist
      local group ID       : 0
      manual fault         : not set
      active state         : active
      link state           : up
      local VC MTU         : 1500         remote VC MTU        : 1500
      tunnel policy name   : --
      traffic behavior name: --
      PW template name     : --
      primary or secondary : primary
      create time          : 1 days, 1 hours, 14 minutes, 17 seconds
      up time              : 0 days, 0 hours, 3 minutes, 16 seconds
      last change time     : 0 days, 0 hours, 3 minutes, 16 seconds
      VC last up time      : 2010/02/17 08:23:07
      VC total up time     : 0 days, 21 hours, 43 minutes, 43 seconds
    

    If the LDP session is Down, see "An LDP Session Is Down" to locate the fault and then turn the LDP session Up.

    If the LDP session is Up but the fault persists, go to Step 5.

    NOTE:

    A VC can be set up only when the LDP session is Up.

  5. Check whether the PW has selected a tunnel.

    • Check the VC tunnel/token info field in the command output. If VC tunnel/token info is displayed as 0 tunnels/tokens, it indicates that no tunnel is selected by a PW.
    • Check the tunnel policy name field in the command output.
      • If tunnel policy name is displayed as "--", it indicates that an LDP LSP is used as the tunnel for a PW or no tunnel policy is configured. An MPLS TE tunnel can be used for a PW only after a tunnel policy is configured.
      • If tunnel policy name is not displayed as "--", it indicates that a tunnel policy is adopted. In this case, you can run the display this command in the tunnel policy view to view the tunnel policy configuration.

        [HUAWEI-tunnel-policy-p1] display this
        #
        tunnel-policy p1
         tunnel select-seq cr-lsp load-balance-number 1
        #
        
    NOTE:

    If the tunnel binding destination dest-ip-address te { tunnel interface-number } command is configured in the tunnel policy view, you also need to run the mpls te reserved-for-binding command on the tunnel interface.

    If the tunnel is Down, see "An LSP Is Down" or "A TE Tunnel Is Down" in "HUAWEI NetEngine40E Universal Service Router Troubleshooting" to locate the fault and then turn the tunnel Up. If the tunnel is Up and the TE interfaces are correctly configured, go to Step 6.

    NOTE:

    A VC can be Up only when the tunnel that bears the VC is Up.

  6. Check that the AC interfaces on the two ends are Up.

    Run the display mpls l2vc vc-id command on both ends of the VC to check whether the AC status field is displayed as Up.

    • If the AC interfaces on the two ends are Down, see "Interface and Data Link" in "HUAWEI NetEngine40E Universal Service Router Troubleshooting" to locate the fault and turn the AC interfaces Up.
    • If the AC interfaces on the two ends are Up, go to Step 7.
    NOTE:

    A VC can be Up only when the AC interfaces on both ends of the VC are Up.

  7. Collect the following information and contact Huawei technical support personnel.

    • Results of the preceding troubleshooting procedure
    • Configuration files, log files, and alarm files of the devices
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Updated: 2019-01-02

Document ID: EDOC1100055014

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