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Configuration Guide - VPN 01

NE05E and NE08E V300R003C10SPC500

This is NE05E and NE08E V300R003C10SPC500 Configuration Guide - VPN
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Configuring Physical Layer Fault Notification

Configuring Physical Layer Fault Notification

Physical layer fault notification expedites fault detection and notification.

Usage Scenario

In a scenario in which an Ethernet or GE main interface is configured with a remote Martini VPWS connection or local CCC connection, you can configure physical layer fault notification to expedite fault detection, so that upper-layer applications can quickly recover when a physical layer fault occurs.

NOTE:
In NE, physical layer fault notification can be configured on only Ethernet and GE main interfaces.

Pre-configuration Tasks

Before configuring physical layer fault detection, complete the following tasks:
  • Configure network layer parameters for devices on the MPLS L2VPN to communicate.
  • Configure a PW.
    NOTE:

    The PW must be established between the AC interfaces of PEs.

Configure physical layer fault notification on the PE.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run interface interface-type interface-number

    The AC interface view is displayed.

    • The AC interface must be a primary Ethernet interface.

    • The AC interface is configured with a VC.

  3. Run mpls l2vpn trigger if-down

    Physical layer fault notification is enabled.

  4. Run commit

    The configuration is committed.

Checking the Configurations

After configuring physical layer fault detection, check the configuration.

Run the display mpls l2vc command. The command output shows that AC status is notifydown, indicating that physical layer fault notification has been configured.

<HUAWEI> display mpls l2vc
 Total LDP VC : 1     0 up       1 down

 *client interface          : GigabitEthernet0/1/0 is notifydown
  Administrator PW          : no 
  session state             : down
  AC status              : notifydown
  VC state                  : down
  Label state               : 0
  Token state               : 0
  VC ID                     : 1
  VC type                   : Ethernet
  destination               : 2.2.2.2
  local VC label            : 32829        remote VC label      : 0
  control word              : disable
  remote control word       : disable
  forwarding entry          : not exist
  local group ID            : 0
  remote group ID           : 0
  local AC OAM State        : up
  local PSN OAM State       : up
  local forwarding state    : forwarding
  local status code         : 0x0
  remote AC OAM state       : up
  remote PSN OAM state      : up
  remote forwarding state   : forwarding
  remote status code        : 0x0
  ignore standby state      : no
  BFD for PW                : unavailable
  VCCV State                : up
  manual fault              : not set
  active state              : inactive
  OAM Protocol              : --
  OAM Status                : --
  OAM Fault Type            : --
  PW APS ID                 : --
  PW APS Status             : --
  TTL Value                 : --
  link state                : down
  local VC MTU              : 1500         remote VC MTU        : 0
  local VCCV                : alert ttl lsp-ping bfd
  remote VCCV               : alert ttl lsp-ping bfd
  tunnel policy name        : -- 
  PW template name          : --  
  primary or secondary      : primary
  load balance type         : flow
  Access-port               : false
  Switchover Flag           : false
  VC tunnel info            : 1 tunnels
    NO.0  TNL type          : ldp   , TNL ID : 0x0000000001004c4e42
  create time               : 0 days, 20 hours, 50 minutes, 21 seconds
  up time                   : 0 days, 0 hours, 0 minutes, 0 seconds
  last change time          : 0 days, 20 hours, 50 minutes, 21 seconds
  VC last up time           : 0000/00/00 00:00:00
  VC total up time          : 0 days, 0 hours, 0 minutes, 0 seconds
  CKey                      : 33
  NKey                      : 2868904077
  AdminPw interface         : --
  AdminPw link state        : --
  Forward state             : send inactive, receive inactive 
  Diffserv Mode             : uniform
  Service Class             : --
  Color                     : --
  DomainId                  : --
  Domain Name               : --
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Updated: 2019-01-14

Document ID: EDOC1100058925

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