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Step 3
Configure basic BFD functions.
# Configure a peer BFD session on Router A.
<RouterA>
system-view
[RouterA]
bfd
[RouterA-bfd]
quit
[RouterA]
interface gigabitethernet 2/0/0
[RouterA-GigabitEthernet2/0/0]
ip address 10.1.1.1 24
[RouterA-GigabitEthernet2/0/0]
quit
[RouterA]
bfd atob bind peer-ip 10.1.1.2 interface gigabitethernet 2/0/0
[RouterA-bfd-session-atob]
discriminator local 1
[RouterA-bfd-session-atob]
discriminator remote 2
[RouterA-bfd-session-atob]
min-rx-interval 50
[RouterA-bfd-session-atob]
min-tx-interval 50
[RouterA-bfd-session-atob]
commit
[RouterA-bfd-session-atob]
quit
# Configure a peer BFD session on Router B.
<RouterB>
system-view
[RouterB]
bfd
[RouterB-bfd]
quit
[RouterB]
interface gigabitethernet2/0/0
[RouterB-GigabitEthernet2/0/0]
ip address 10.1.1.2 24
[RouterB-GigabitEthernet2/0/0]
quit
[RouterB]
bfd btoa bind peer-ip 10.1.1.1 interface gigabitethernet 2/0/0
[RouterB-bfd-session-btoa]
discriminator local 2
[RouterB-bfd-session-btoa]
discriminator remote 1
[RouterB-bfd-session-btoa]
min-rx-interval 50
[RouterB-bfd-session-btoa]
min-tx-interval 50
[RouterB-bfd-session-btoa]
commit
[RouterB-bfd-session-btoa]
quit
# After completing the preceding configurations, run the
display bfd session
command on
Router A or Router B. The peer BFD session is
Up
. In the following example, the display on
Router A is used.
[RouterA]
display bfd session all
--------------------------------------------------------------------------------
Local Remote PeerIpAddr State Type InterfaceName
--------------------------------------------------------------------------------
1 2 10.1.1.2
Up
S_IP_IF GigabitEthernet2/0/0
--------------------------------------------------------------------------------
Total UP/DOWN Session Number : 1/0
Step 4
Associate the VRRP backup group with the peer BFD session.
# Configure the VRRP backup group to track the peer BFD session on Router B and allow
Router B to increase its VRRP priority by 40 if the peer BFD session goes Down.
[RouterB-GigabitEthernet2/0/0]
vrrp vrid 10 track bfd-session 2 increased 40
[RouterB-GigabitEthernet2/0/0]
quit
After completing the preceding configurations, run the
display vrrp
command on Router A or
Router B. The VRRP status is
Master
on Router A and
Backup
on Router B. The command
output on Router B also shows that the VRRP backup group is tracking the peer BFD session
and the peer BFD session goes Up.
[RouterA]
display vrrp
GigabitEthernet2/0/0 | Virtual Router 10
State
:
Master
Virtual IP : 10.1.1.3
Master IP : 10.1.1.1
PriorityRun : 160
PriorityConfig : 160
HUAWEI NetEngine80E/40E Router
Configuration Guide - Reliability
4 VRRP Configuration
Issue 02 (2014-09-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
276