Huawei S6700 Series

As shown in the routing table, the standby link Switch A → Switch C → Switch B takes effect
after the active link fails. The next hop address of the route to 172.16.1.0/24 becomes 1.1.1.2.
# Run the display isis bfd session all command on Switch A. You can view the status of the
BFD session is Up between Switch A and Switch C.
[SwitchA] display isis bfd session all
BFD session information for ISIS(1)
-----------------------------------
Peer System ID : 0000.0000.0003 Interface : Vlanif10
TX : 100 BFD State : up Peer IP Address : 1.1.1.2
RX : 100 LocDis : 8192 Local IP Address: 1.1.1.1
Multiplier : 3 RemDis : 8192 Type : L2
Diag : No diagnostic information
----End
Configuration Files
l Configuration file of Switch A
#
sysname SwitchA
#
vlan batch 10 20
#
bfd
#
isis 1
is-level level-2
bfd all-interfaces enable
network-entity 10.0000.0000.0001.00
#
interface Vlanif10
ip address 1.1.1.1 255.255.255.0
isis enable 1
#
interface Vlanif20
ip address 3.3.3.1 255.255.255.0
isis enable 1
isis cost 5
isis bfd enable
isis bfd min-tx-interval 100 min-rx-interval 100 detect-multiplier 4
#
interface XGigabitEthernet0/0/1
port hybrid pvid vlan 10
port hybrid untagged vlan 10
#
interface XGigabitEthernet0/0/2
port hybrid pvid vlan 20
port hybrid untagged vlan 20
#
return
l Configuration file of Switch B
#
sysname SwitchB
#
vlan batch 20 40 50
#
bfd
#
isis 1
is-level level-2
bfd all-interfaces enable
network-entity 10.0000.0000.0002.00
#
interface Vlanif50
S6700 Series Ethernet Switches
Configuration Guide - IP Routing 6 IS-IS Configuration
Issue 01 (2012-03-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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