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Common Operation Guide

CloudEngine 12800, 12800E, 8800, 7800, 6800, and 5800 Series Switches

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Associating the BFD Session with the Interface Status

Associating the BFD Session with the Interface Status

As shown in Figure 31-2, SwitchA is directly connected to SwitchB and Layer 2 transmission devices, SwitchC and SwitchD, are deployed between them. It is required that SwitchA and SwitchB fast detect link faults of the Layer 2 tranmission devices to trigger fast route convergence.

Figure 31-2  Associating the BFD session with the interface status

# Create a BFD session on SwitchA.

<HUAWEI> system-view
[~HUAWEI] sysname SwitchA
[*HUAWEI] commit
[~SwitchA] bfd
[*SwitchA-bfd] quit
[*SwitchA] bfd atob bind peer-ip default-ip interface 10ge 1/0/1
[*SwitchA-bfd-session-atob] discriminator local 1
[*SwitchA-bfd-session-atob] discriminator remote 2
[*SwitchA-bfd-session-atob] commit
[~SwitchA-bfd-session-atob] quit

# Create a BFD session on SwitchB.

<HUAWEI> system-view
[~HUAWEI] sysname SwitchB
[*HUAWEI] commit
[~SwitchB] bfd
[*SwitchB-bfd] quit
[*SwitchB] bfd btoa bind peer-ip default-ip interface 10ge 1/0/1
[*SwitchB-bfd-session-btoa] discriminator local 2
[*SwitchB-bfd-session-btoa] discriminator remote 1
[*SwitchB-bfd-session-btoa] commit
[~SwitchB-bfd-session-btoa] quit

# Configure association between the BFD session status and the interface status on SwitchA.

[~SwitchA] bfd atob
[~SwitchA-bfd-session-atob] process-interface-status
[*SwitchA-bfd-session-atob] commit
[~SwitchA-bfd-session-atob] quit

# Configure association between the BFD session status and the interface status on SwitchB.

[~SwitchB] bfd btoa
[~SwitchB-bfd-session-btoa] process-interface-status
[*SwitchB-bfd-session-btoa] commit
[~SwitchB-bfd-session-btoa] quit
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Updated: 2018-10-08

Document ID: EDOC1000102369

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