[SwitchA] interface vlanif 10
[SwitchA-Vlanif10] isis enable 1
[SwitchA-Vlanif10] quit
# Configure Switch B.
[SwitchB] isis 1
[SwitchB-isis-1] is-level level-2
[SwitchB-isis-1] network-entity aa.2222.2222.2222.00
[SwitchB-isis-1] quit
[SwitchB] interface vlanif 10
[SwitchB-Vlanif10] isis enable 1
[SwitchB-Vlanif10] quit
[SwitchB] interface vlanif 30
[SwitchB-Vlanif30] isis enable 1
[SwitchB-Vlanif30] quit
# Configure Switch C.
[SwitchC] isis 1
[SwitchC-isis-1] is-level level-2
[SwitchC-isis-1] network-entity aa.3333.3333.3333.00
[SwitchC-isis-1] quit
[SwitchC] interface vlanif 30
[SwitchC-Vlanif30] isis enable 1
[SwitchC-Vlanif30] quit
After the preceding configurations, you can view that the neighbor relationship is established
between Switch A and Switch B.
[SwitchA] display isis peer
Peer information for ISIS(1)
----------------------------
System Id Interface Circuit Id State HoldTime Type PRI
2222.2222.2222 Vlanif10 001 Up 23s L2 64
The IS-IS routing table of Switch A has entries to Switch B and Switch C.
[SwitchA] display isis route
Route information for ISIS(1)
-----------------------------
ISIS(1) Level-2 Forwarding Table
--------------------------------
IPV4 Destination IntCost ExtCost ExitInterface NextHop Flags
-------------------------------------------------------------------------
100.1.1.0/24 10 NULL Vlanif10 Direct D/-/L/-
100.2.1.0/24 20 NULL Vlanif10 100.1.1.2 A/-/L/-
Flags: D-Direct, A-Added to URT, L-Advertised in LSPs, S-IGP Shortcut,
U-Up/Down Bit Set
Step 4 Configure BFD.
# Enable BFD on Switch A and configure a BFD session.
[SwitchA] bfd
[SwitchA-bfd] quit
[SwitchA] bfd atob bind peer-ip 100.1.1.2 interface vlanif 10
[SwitchA-bfd-session-atob] discriminator local 1
[SwitchA-bfd-session-atob] discriminator remote 2
[SwitchA-bfd-session-atob] commit
[SwitchA-bfd-session-atob] quit
# Enable BFD on Switch B and configure a BFD session.
[SwitchB] bfd
[SwitchB-bfd] quit
[SwitchB] bfd btoa bind peer-ip 100.1.1.1 interface vlanif 10
[SwitchB-bfd-session-btoa] discriminator local 2
[SwitchB-bfd-session-btoa] discriminator remote 1
[SwitchB-bfd-session-btoa] commit
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.
344
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