Troubleshooting Ospf Configuration; No Ospf Neighbor Relationship Established - HP 3600 v2 series Configuration Manual

*0.50673840 SwitchA BFD/8/SCM:No bfd session exists, stop receiving any bfd packets
# Display the BFD information of Switch A.
The BFD session between Switch A and Switch B is deleted and no information is output.
<SwitchA> display bfd session
# Display routes to 120.1.1.0/24 on Switch A, and you can see that Switch A communicates with Switch
B through Switch C.
<SwitchA> display ip routing-table 120.1.1.0 verbose
Routing Table : Public
Summary Count : 2
Destination: 120.1.1.0/24
Protocol: OSPF
Preference: 10
IpPrecedence:
NextHop: 10.1.1.100
BkNextHop: 0.0.0.0
RelyNextHop: 0.0.0.0
Tunnel ID: 0x0
BKTunnel ID: 0x0
State: Active Adv
Destination: 120.1.1.0/24
Protocol: OSPF
Preference: 0
IpPrecedence:
NextHop: 192.168.0.100
BkNextHop: 0.0.0.0
RelyNextHop: 0.0.0.0
Tunnel ID: 0x0
BKTunnel ID: 0x0
State: Invalid Adv

Troubleshooting OSPF configuration

No OSPF neighbor relationship established

Symptom
No OSPF neighbor relationship can be established.
Analysis
If the physical link and lower layer protocols work well, check OSPF parameters configured on interfaces.
Two neighbors must have the same parameters, such as the area ID, network segment, and mask (a P2P
or virtual link may have different network segments and masks).
Solution
Display OSPF neighbor information using the display ospf peer command.
1.
Tag: 0
Tag: 0
Process ID: 1
Cost: 4
QosLcId:
Interface: Vlan-interface11
BkInterface:
Neighbor : 0.0.0.0
Label: NULL
BKLabel: NULL
Age: 00h58m10s
Process ID: 0
Cost: 2
QosLcId:
Interface: Vlan-interface10
BkInterface:
Neighbor : 0.0.0.0
Label: NULL
BKLabel: NULL
Age: 00h58m05s
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