H3C Technologies H3C S12500 Series Switches - Manual (Page 68)

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# Configure a static route to Switch A on Switch C.
[SwitchC] ip route-static 192.168.1.0 24 vlan-interface 200 192.168.2.1
5. Verify the configuration:
# Display the BFD session information of Switch A.
<SwitchA> display bfd session
Total Session Num: 1 Init Mode: Active
Session Working Under Ctrl Mode:
LD/RD SourceAddr DestAddr State Holdtime Interface
6/3 192.168.1.1 192.168.2.2 Up 1700ms vlan100
# Display RIP routes destined for 100.1.1.0/24 on Switch A.
<SwitchA> display ip routing-table 100.1.1.0 24 verbose
Routing Table : Public
Summary Count : 2
Destination: 100.1.1.0/24
Protocol: RIP Process ID: 1
Preference: 100 Cost: 1
IpPrecedence: QosLcId:
NextHop: 192.168.1.2 Interface: vlan-interface 100
BkNextHop: 0.0.0.0 BkInterface:
RelyNextHop: 0.0.0.0 Neighbor : 192.168.1.2
Tunnel ID: 0x0 Label: NULL
BKTunnel ID: 0x0 BKLabel: NULL
State: Active Adv Age: 00h00m47s
Tag: 0
Destination: 100.1.1.0/24
Protocol: RIP Process ID: 2
Preference: 100 Cost: 2
IpPrecedence: QosLcId:
NextHop: 192.168.3.2 Interface: vlan-interface 300
BkNextHop: 0.0.0.0 BkInterface:
RelyNextHop: 0.0.0.0 Neighbor : 192.168.3.2
Tunnel ID: 0x0 Label: NULL
BKTunnel ID: 0x0 BKLabel: NULL
State: Inactive Adv Age: 00h12m50s
Tag: 0
# Enable RIP event debugging on Switch A.
<SwitchA> debugging rip 1 event
<SwitchA> terminal debugging
%Jan 19 10:41:51:203 2008 SwitchA BFD/4/LOG:Sess[192.168.1.1/192.168.2.2,
Vlan-interface 100, Ctrl], Sta: UP->DOWN, Diag: 1
*Jan 19 10:41:51:203 2008 SwitchA RM/6/RMDEBUG: RIP-BFD: Message Type Disable, Connect
Type Indirect-connect, Pkt Type Control, Src IP Address 192.168.1.1, Src IFIndex 4,
Nbr IP Address 192.168.2.2.
The output shows that when the link over VLAN-interface 100 fails, Switch A can quickly detect the
link state change.
# Display the BFD information on Switch A.
<SwitchA> display bfd session