Configuring Bfd Control Packet Mode For Static Routing - HP 4800G Series Configuration Manual

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%Nov 12 19:28:28:592 2005 SwitchA BFD/5/LOG:Sess[123.1.1.1/10.1.1.100, Vlan10], Sta:

UP->DOWN, Diag: 1

*0.53892593 SwitchA BFD/8/SCM:Sess[123.1.1.1/10.1.1.100, Vlan10], Oper: Reset

*0.53892593 SwitchA BFD/8/EVENT:Send sess-down Msg, [Src:123.1.1.1, Dst:10.1.1.100, Vlan10]

Protocol: STATIC

*0.53892595 SwitchA RM/7/LOG:static route [Dest:120.1.1.1/24,Nexthop:10.1.1.100,ExitIf:

Vlan10] became invalid

# Execute the display ip routing-table protocol static command, and you can see Switch A selects

Switch D to reach Switch C.

<SwitchA> display ip routing-table protocol static

Public Routing Table : Static

Summary Count : 2

Static Routing table Status : < Active>

Summary Count : 1

Destination/Mask

120.1.1.1/24

Static Routing table Status : < Inactive>

Summary Count : 1

Destination/Mask

120.1.1.1/24

Configuring BFD Control Packet Mode for Static Routing

Network requirements

Configure a static route to subnet 14.1.1.0/24 on Switch A and configure a static route to subnet

13.1.1.0/24 on Switch B. Both routes have BFD control packet mode enabled. When the link between

Switch A and Switch B fails, BFD can detect it immediately.

Figure 1-12 Configure BFD control packet mode for static routing

Configuration procedure

Configure BFD

# Configure Switch A.

<SwitchA> system-view

[SwitchA] interface vlan-interface 12

[SwitchA-vlan-interface12] ip address 12.1.1.1 24

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