H3C Technologies H3C SR8800 User Manual

Page 37

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[RouterA] quit

# Configure static routes on Router B and enable BFD control packet mode for the static route

through Router D.

<RouterB> system-view

[RouterB] interface loopback 1

[RouterB-LoopBack1] bfd min-transmit-interval 500

[RouterB-LoopBack1] bfd min-receive-interval 500

[RouterB-LoopBack1] bfd detect-multiplier 9

[RouterB-LoopBack1] quit

[RouterB] ip route-static 121.1.1.0 24 1.1.1.9 bfd control-packet bfd-source 2.2.2.9

[RouterB] ip route-static 121.1.1.0 24 GigabitEthernet 3/1/2 13.1.1.2 preference 65

[RouterB] quit

3.

Verify the configuration:
The following operations are performed on Router A. The operations on Router B are similar.
# Display the BFD session information of Router A.

<RouterA> display bfd session

Total session number: 1 Up session number: 0 Init mode: Active

IPv4 session working under Ctrl mode:

LD/RD SourceAddr DestAddr State Holdtime Interface

4/7 1.1.1.9 2.2.2.9 Up 2000ms Loop1

# Display the static route information of Router A.

<RouterA> display ip routing-table protocol static

Public Routing Table : Static

Summary Count : 2

Static Routing table Status : < Active>

Summary Count : 1

Destination/Mask Proto Pre Cost NextHop Interface

120.1.1.0/24 Static 60 0 2.2.2.9 GE3/1/1

Static Routing table Status : <Inactive>

Summary Count : 1

Destination/Mask Proto Pre Cost NextHop Interface

120.1.1.0/24 Static 65 0 10.1.1.100 GE3/1/2

# Enable BFD debugging on Router A. When the link between Router A and Router D fails, Router
A can detect the failure.

<RouterA> debugging bfd event

<RouterA> debugging bfd scm

<RouterA> terminal debugging

%Oct 10 10:18:18:672 2010 RouterA BFD/4/LOG:Sess[1.1.1.9/2.2.2.9, Loop1,Ctrl], Sta:

UP->DOWN, Diag: 1

*Oct 10 10:18:18:672 2010 RouterA BFD/7/EVENT:Send sess-down Msg,

[Src:1.1.1.9,Dst:2.2.2.9,Loop1,Ctrl], instance:0, protocol:STATIC

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