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# Enable the BGP GR capability on Router B.
[RouterB]
bgp 65009
[RouterB-bgp]
graceful-restart
[RouterB-bgp]
graceful-restart timer restart 600
[RouterB-bgp]
graceful-restart timer wait-for-rib 600
# Enable the BGP GR capability on Router A.
[RouterA]
bgp 65008
[RouterA-bgp]
graceful-restart
[RouterA-bgp]
graceful-restart timer restart 600
[RouterA-bgp]
graceful-restart timer wait-for-rib 600
Step 5
Configure the parameters of the AMB/SMB switchover.
# Specify the default slot number of the SMB.
<RouterB>
system-view
[RouterB]
slave default 17
# Enable the force AMB/SMB switchover on Router B.
<RouterB>
system-view
[RouterB]
slave switchover enable
# Enable the automatic synchronization of the AMB/SMB configurations.
<RouterB>
system-view
[RouterB]
slave auto-update config
[RouterB]
quit
<RouterB>
save
Step 6
Verify the configuration.
# Perform the force AMB/SMB switchover on Router B.
[RouterB]
slave switchover
Caution!!! Confirm switch slave to master[Y/N]?
y
# Running the
display fib
command on Router C and Router A, you can view that the forwarding
entry related to Router B still exists. The forwarding is not interrupted and the service
transmission is not affected.
<RouterC>
display fib
FIB Table:
Total number of Routes : 9
Destination/Mask Nexthop Flag TimeStamp Interface TunnelID
127.0.0.1/32 127.0.0.1 HU t[42] InLoop0 0x0
127.0.0.0/8 127.0.0.1 U t[42] InLoop0 0x0
10.1.2.2/32 127.0.0.1 HU t[561] InLoop0 0x0
10.1.2.0/24 10.1.2.2 U t[561] Pos1/0/0 0x0
10.1.2.1/32 10.1.2.1 HU t[561] Pos1/0/0 0x0
10.1.3.1/32 127.0.0.1 HU t[578] InLoop0 0x0
10.1.3.0/24 10.1.3.1 U t[578] GE1/0/0 0x0
3.3.3.3/32 127.0.0.1 HU t[724] InLoop0 0x0
10.1.4.0/24 10.1.2.1 DGU t[1422] Pos1/0/0 0x0
<RouterA>
display fib
FIB Table:
Total number of Routes : 10
Destination/Mask Nexthop Flag TimeStamp Interface TunnelID
127.0.0.1/32 127.0.0.1 HU t[28] InLoop0 0x0
127.0.0.0/8 127.0.0.1 U t[28] InLoop0 0x0
10.1.4.1/32 127.0.0.1 HU t[28] InLoop0 0x0
10.1.4.0/24 10.1.4.1 U t[28] GE1/0/0 0x0
10.1.1.1/32 127.0.0.1 HU t[444] InLoop0 0x0
10.1.1.0/24 10.1.1.1 U t[444] Pos2/0/0 0x0
HUAWEI NetEngine80E/40E Router
Configuration Guide - Reliability
6 GR Configuration
Issue 02 (2014-09-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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