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Common Operation Guide

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

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Configuring Multi-Hop BFD

Configuring Multi-Hop BFD

As shown in Figure 31-1, SwitchA is indirectly connected to SwitchC. Static routes are configured so that SwitchA can communicate with SwitchC. Faults on the link between SwitchA and SwitchC need to be fast detected.

Figure 31-1  Networking diagram for configuring multi-hop BFD

# Create a BFD session between SwitchA and SwitchC.

<HUAWEI> system-view
[~HUAWEI] sysname SwitchA
[*HUAWEI] commit
[~SwitchA] bfd
[*SwitchA-bfd] quit
[*SwitchA] bfd atoc bind peer-ip
[*SwitchA-bfd-session-atoc] discriminator local 10
[*SwitchA-bfd-session-atoc] discriminator remote 20
[*SwitchA-bfd-session-atoc] commit

# Create a BFD session between SwitchC and SwitchA.

<HUAWEI> system-view
[~HUAWEI] sysname SwitchC
[*HUAWEI] commit
[~SwitchC] bfd
[*SwitchC-bfd] quit
[*SwitchC] bfd ctoa bind peer-ip
[*SwitchC-bfd-session-ctoa] discriminator local 20
[*SwitchC-bfd-session-ctoa] discriminator remote 10
[*SwitchC-bfd-session-ctoa] commit
Updated: 2018-10-08

Document ID: EDOC1000102369

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