Hello,
I have a issue in OSPF regardin to change process status from EXSTART to DOWN.
Attach the output of "debug ip ospf adj"
Mar31 11:55:06.823: OSPF: Send DBD to 1.1.1.1 on Vlan10 seq 0xBB4 opt 0x52 flag 0x7 len 32
Mar31 11:55:06.823: OSPF: Retransmitting DBD to 1.1.1.1 on Vlan10 [23]
Mar31 11:55:11.515: OSPF: Send DBD to 1.1.1.1 on Vlan10 seq 0xBB4 opt 0x52 flag 0x7 len 32
Mar31 11:55:11.515: OSPF: Retransmitting DBD to 1.1.1.1 on Vlan10 [24]
Mar31 11:55:16.235: OSPF: Send DBD to 1.1.1.1 on Vlan10 seq 0xBB4 opt 0x52 flag 0x7 len 32
Mar31 11:55:16.235: OSPF: Retransmitting DBD to 1.1.1.1 on Vlan10 [25]
Mar31 11:55:20.787: OSPF: Killing nbr 1.1.1.1 on Vlan10 due to excessive (25) retransmissions
Mar31 11:55:20.787: OSPF: 1.1.1.1 address 10.12.12.21 on Vlan10 is dead, state DOWN
Mar31 11:55:20.787: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Vlan10 from EXSTART to DOWN, Neighbor Down: Too many retransmissions
Mar31 11:55:20.787: OSPF: Vlan10 Nbr 1.1.1.1: Clean-up dbase exchange
Mar31 11:55:20.787: OSPF: Neighbor change Event on interface Vlan10
Mar31 11:55:20.787: OSPF: DR/BDR election on Vlan10
Mar31 11:55:20.787: OSPF: Elect BDR 0.0.0.0
Mar31 11:55:20.787: OSPF: Elect DR 2.2.2.2
Mar31 11:55:20.787: DR: 2.2.2.2 (Id) BDR: none
Mar31 11:56:20.788: OSPF: 1.1.1.1 address 10.12.12.21 on Vlan10 is dead
Mar31 11:56:20.788: OSPF: 1.1.1.1 address 10.12.12.21 on Vlan10 is dead, state DOWN
Mar31 11:56:20.788: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Vlan10 from DOWN to DOWN, Neighbor Down: Ignore timer expired
Mar31 11:56:20.788: OSPF: Neighbor change Event on interface Vlan10
Mar31 11:56:20.788: OSPF: DR/BDR election on Vlan10
Mar31 11:56:20.788: OSPF: Elect BDR 0.0.0.0
Mar31 11:56:20.788: OSPF: Elect DR 2.2.2.2
Mar31 11:56:20.788: DR: 2.2.2.2 (Id) BDR: none
Mar31 11:56:28.368: OSPF: 2 Way Communication to 1.1.1.1 on Vlan10, state 2WAY
Mar31 11:56:28.368: OSPF: Neighbor change Event on interface Vlan10
Mar31 11:56:28.368: OSPF: DR/BDR election on Vlan10
Mar31 11:56:28.368: OSPF: Elect BDR 0.0.0.0
Mar31 11:56:28.368: OSPF: Elect DR 2.2.2.2
Mar31 11:56:28.368: DR: 2.2.2.2 (Id) BDR: none
Mar31 11:56:28.368: OSPF: Vlan10 Nbr 1.1.1.1: Prepare dbase exchange
I have configured mtu-ignore ospf and I have verified the hello packets are allowed.
Best regards,