up time : 0 days, 0 hours, 0 minutes, 59 seconds
last change time : 0 days, 0 hours, 0 minutes, 59 seconds
VC last up time : 2010-11-26 08:25:38
VC total up time : 0 days, 2 hours, 12 minutes, 51 seconds
CKey : 16
NKey : 15
PW redundancy mode : --
AdminPw interface : --
AdminPw link state : --
Step 7 Configure the dynamic BFD on PEs.
# Configure U-PE1.
[U-PE1] bfd
[U-PE1-bfd] quit
[U-PE1] bfd for pw enable
[U-PE1] interface Vlanif 10
[U-PE1-Vlanif10] mpls l2vpn pw bfd min-rx-interval 100 min-tx-interval 100 remote-
vcid 200
[U-PE1-Vlanif10] quit
# Configure U-PE2.
[U-PE2] bfd
[U-PE2-bfd] quit
[U-PE2] bfd for pw enable
[U-PE2] interface vlanif 60
[U-PE2-Vlanif60] mpls l2vpn pw bfd min-rx-interval 100 min-tx-interval 100 remote-
vcid 100
[U-PE2-Vlanif60] quit
Step 8 Verify the configuration.
# CE1 and CE2 can ping each other.
<CE1> ping 100.1.1.2
PING 100.1.1.2: 56 data bytes, press CTRL_C to break
Reply from 100.1.1.2: bytes=56 Sequence=1 ttl=255 time=600 ms
Reply from 100.1.1.2: bytes=56 Sequence=2 ttl=255 time=160 ms
Reply from 100.1.1.2: bytes=56 Sequence=3 ttl=255 time=220 ms
Reply from 100.1.1.2: bytes=56 Sequence=4 ttl=255 time=210 ms
Reply from 100.1.1.2: bytes=56 Sequence=5 ttl=255 time=220 ms
--- 100.1.1.2 ping statistics ---
5 packet(s) transmitted
5 packet(s) received
0.00% packet loss
round-trip min/avg/max = 160/282/600 ms
# Run the display mpls l2vc interface command on U-PEs to view the PW status. You can see
that the BFD for PW function is enabled and the BFD session is Up.
Take the display on U-PE1 for example.
<U-PE1> display mpls l2vc interface vlanif 10
*client interface : Vlanif10 is up
Administrator PW : no
session state : up
AC state : up
VC state : up
VC ID : 100
VC type : VLAN
destination : 3.3.3.9
local group ID : 0 remote group ID : 0
local VC label : 23552 remote VC label : 23552
local AC OAM State : up
local PSN State : up
local forwarding state : forwarding
Quidway S7700 Smart Routing Switch
Configuration Guide - VPN 6 PWE3 Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
653
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