H3C Technologies H3C S10500 Series Switches - Manual (Page 146)

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Routing Table : Public
Summary Count : 2
Destination: 120.1.1.0/24
Protocol: OSPF Process ID: 0
Preference: 0 Cost: 2
IpPrecedence: QosLcId:
NextHop: 192.168.0.100 Interface: Vlan-interface10
BkNextHop: 0.0.0.0 BkInterface:
RelyNextHop: 0.0.0.0 Neighbor : 0.0.0.0
Tunnel ID: 0x0 Label: NULL
BKTunnel ID: 0x0 BKLabel: NULL
State: Active Adv Age: 00h58m10s
Tag: 0
Destination: 120.1.1.0/24
Protocol: OSPF Process ID: 1
Preference: 10 Cost: 4
IpPrecedence: QosLcId:
NextHop: 10.1.1.100 Interface: Vlan-interface11
BkNextHop: 0.0.0.0 BkInterface:
RelyNextHop: 0.0.0.0 Neighbor : 0.0.0.0
Tunnel ID: 0x0 Label: NULL
BKTunnel ID: 0x0 BKLabel: NULL
State: Invalid Adv Age: 00h58m05s
Tag: 0
# Enable BFD debugging on Switch A.
debugging bfd scm
debugging bfd event
debugging ospf event
terminal debugging
# After the link over which Switch A and Switch B communicates through the Layer 2 switch fails, Switch
A can quickly detect the changes on Switch B.
%Nov 12 18:34:48:823 2005 SwitchA BFD/5/LOG: Sess[10.1.0.102/10.1.0.100, vlan10], Sta :
UP->DOWN, Diag: 1
%Nov 12 18:34:48:824 2005 SwitchA RM/4/RMLOG:OSPF-NBRCHANGE: Process 1, Neighbour
10.1.0.102 (vlan10) from Full to Down
*0.50673825 SwitchA BFD/8/SCM:Sess[10.1.0.102/10.1.0.100, vlan10],Oper: Reset
*0.50673825 SwitchA BFD/8/EVENT:Send sess-down Msg, [Src:10.1.0.102, Dst:10.1.0.100,
vlan10] Protocol: OSPF
*0.50673826 SwitchA RM/7/RMDEBUG:OSPF-BFD: Message Type rcv BFD down, Connect Type
direct-connect, Src IP Address 10.1.0.102, Src IFIndex 5, Dst IP Address 10.1.0.100
*0.50673827 SwitchA RM/7/RMDEBUG:OSPF-BFD: Message Type delete session, Connect Type
direct-connect, Src IP Address 10.1.0.102, Src IFIndex 5, Dst IP Address 10.1.0.100
OSPF 1: Nbr 10.1.0.100 Rcv KillNbr State Full -> Down.
*0.50673829 SwitchA BFD/8/EVENT:Receive Delete-sess, [Src:10.1.0.102, Dst:10.1.0.100,
vlan10], Direct, Proto:OSPF
*0.50673830 SwitchA BFD/8/SCM:Sess[10.1.0.102/10.1.0.100, vlan10], Oper: Del
application(OSPF)