Checking The Configuration - Huawei quidway s7700 Configuration Manual

Quidway S7700 Smart Routing Switch
Configuration Guide - VPN
Step 3 Run:
mpls l2vpn reroute { { delay delay-time | immediately } [ resume resume-time ] |
never }
The revertive switchover policy is configured.
The types of the revertive switchover on PEs are as follows:
l Immediate revertive switchover: The local PE immediately switches traffic to the master PW
l Delayed revertive switchover: The PE switches traffic to the master PW after the period of
l None revertive switchover: The PE does not switch traffic to the master PW until the backup
For an asymmetric networking, in which ACs are of the Ethernet type, note the following:
l If the remote shutdown function is configured on the interface of a PE that connects a CE,
l If the Ethernet OAM function is configured on the interface of a PE that connects a CE, and
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6.10.5 Checking the Configuration

After PW FRR is configured,you can view information about the PW on the local and remote
ends, BFD sessions, L2VPN forwarding, and fault mapping between AC and PW.
Prerequisite
The configurations of the PWE3 FRR function are complete.
Procedure
l
l
l
l
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Example
Run the display mpls l2vc [ vc-id | interface interface-type interface-number ] command, and
you can view that the statuses of the master and backup PWs are up, VC state of the master PW
is active, and VC state of the backup PW is inactive. For example:
Issue 01 (2011-07-15)
and notifies the fault to the remote PE of the backup PW. The PE notifies the rectification
of the fault to the remote PE of the backup PW after the period of resume-time.
delay-time.
PW is faulty.
you are recommended not to use the policy of immediate revertive switchover, which may
lead to network flapping and traffic loss. On the other hand, you can use the policy of delayed
revertive switchover to set delay-time equal to or more than 30 seconds.
a revertive switchover policy is also configured, you cannot set resume-time to be 0 seconds,
but be equal to or longer than one second.
Run the display mpls l2vc [ vc-id | interface interface-type interface-number ] command
to check information about the PW on the local PE.
Run the display mpls l2vc remote-info [ vc-id ] command to check information about the
PW on the remote PE.
Run the display bfd session pw interface interface-type interface-number [ secondary ]
[ verbose ] command to check information about the BFD session.
Run the display mpls l2vpn forwarding-info [ vc-label ] interface interface-type
interface-number command to check information about L2VPN forwarding.
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6 PWE3 Configuration
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