[c-nsp] OSPF issue
John Elliot
johnelliot67 at hotmail.com
Fri Nov 11 19:30:45 EST 2011
OSPF Issue
Hope someone can assist with an ospf problem - We have an existing ospf adj running fine between R1+R2, we have just provisioned a second link, enabled ospf and we see it form adjacency which lasts ~60seconds, then R1 sees R2 as dead, and R2 Cannot see ourself in hello from R1, and then the whole thing starts again.
With both adj. up(From R1):
Neighbor ID Pri State Dead Time Address Interfacexxx.xxx.76.248 1 FULL/DR 00:00:00 xxx.xxx.66.62 Port-channel1.87xxx.xxx.76.248 1 FULL/DR 00:00:39 xxx.xxx.66.2 FastEthernet3/0
Then "new" link loses adj. after ~60seconds
Neighbor ID Pri State Dead Time Address Interfacexxx.xxx.76.248 1 FULL/DR 00:00:38 xxx.xxx.66.2 FastEthernet3/0
NB - pings to/from both R1+R2 are clean(No loss/excessive latency), and both ends(Ints) set to mtu of 1500.
R1 logs
Nov 12 10:12:48.716 aest: OSPF: xxx.xxx.76.248 address xxx.xxx.66.62 on Port-channel1.87 is deadNov 12 10:12:48.716 aest: OSPF: xxx.xxx.76.248 address xxx.xxx.66.62 on Port-channel1.87 is dead, state DOWNNov 12 10:12:48.716 aest: %OSPF-5-ADJCHG: Process 100, Nbr xxx.xxx.76.248 on Port-channel1.87 from FULL to DOWN, Neighbor Down: Dead timer expiredNov 12 10:12:48.716 aest: OSPF: Neighbor change Event on interface Port-channel1.87Nov 12 10:12:48.716 aest: OSPF: DR/BDR election on Port-channel1.87 Nov 12 10:12:48.716 aest: OSPF: Elect BDR xxx.xxx.76.238Nov 12 10:12:48.716 aest: OSPF: Elect DR xxx.xxx.76.238Nov 12 10:12:48.716 aest: OSPF: Elect BDR 0.0.0.0Nov 12 10:12:48.716 aest: OSPF: Elect DR xxx.xxx.76.238Nov 12 10:12:48.716 aest: DR: xxx.xxx.76.238 (Id) BDR: none Nov 12 10:12:48.716 aest: OSPF: Reset Port-channel1.87 flush timerNov 12 10:12:48.716 aest: OSPF: Remember old DR xxx.xxx.76.248 (id)Nov 12 10:12:49.216 aest: OSPF: Send with youngest Key 10Nov 12 10:12:49.216 aest: OSPF: Send with youngest Key 10Nov 12 10:12:49.216 aest: OSPF: Send with youngest Key 10Nov 12 10:12:49.216 aest: OSPF: Build router LSA for area 0.0.0.0, router ID xxx.xxx.76.238, seq 0x80014360, process 100Nov 12 10:12:49.216 aest: OSPF: No full nbrs to build Net Lsa for interface Port-channel1.87Nov 12 10:12:51.716 aest: OSPF: Send with youngest Key 10Nov 12 10:12:51.732 aest: OSPF: Send with youngest Key 10Nov 12 10:12:58.432 aest: OSPF: Send with youngest Key 10Nov 12 10:12:58.432 aest: OSPF: Send with youngest Key 10Nov 12 10:12:58.432 aest: OSPF: Send with youngest Key 10Nov 12 10:12:58.432 aest: OSPF: Send with youngest Key 10Nov 12 10:12:58.448 aest: OSPF: 2 Way Communication to xxx.xxx.76.248 on Port-channel1.87, state 2WAYNov 12 10:12:58.448 aest: OSPF: Neighbor change Event on interface Port-channel1.87Nov 12 10:12:58.448 aest: OSPF: DR/BDR election on Port-channel1.87 Nov 12 10:12:58.448 aest: OSPF: Elect BDR 0.0.0.0Nov 12 10:12:58.448 aest: OSPF: Elect DR xxx.xxx.76.248Nov 12 10:12:58.448 aest: OSPF: Elect BDR xxx.xxx.76.238Nov 12 10:12:58.448 aest: OSPF: Elect DR xxx.xxx.76.248Nov 12 10:12:58.448 aest: DR: xxx.xxx.76.248 (Id) BDR: xxx.xxx.76.238 (Id)Nov 12 10:12:58.448 aest: OSPF: Send DBD to xxx.xxx.76.248 on Port-channel1.87 seq 0x1717 opt 0x52 flag 0x7 len 32Nov 12 10:12:58.448 aest: OSPF: Send with youngest Key 10Nov 12 10:12:58.448 aest: OSPF: Set Port-channel1.87 flush timerNov 12 10:12:58.448 aest: OSPF: Remember old DR xxx.xxx.76.238 (id)Nov 12 10:12:58.448 aest: OSPF: Neighbor change Event on interface Port-channel1.87Nov 12 10:12:58.448 aest: OSPF: DR/BDR election on Port-channel1.87 Nov 12 10:12:58.448 aest: OSPF: Elect BDR xxx.xxx.76.238Nov 12 10:12:58.448 aest: OSPF: Elect DR xxx.xxx.76.248Nov 12 10:12:58.448 aest: DR: xxx.xxx.76.248 (Id) BDR: xxx.xxx.76.238 (Id)Nov 12 10:12:58.464 aest: OSPF: Rcv DBD from xxx.xxx.76.248 on Port-channel1.87 seq 0xB50 opt 0x52 flag 0x7 len 32 mtu 1500 state EXSTARTNov 12 10:12:58.464 aest: OSPF: NBR Negotiation Done. We are the SLAVENov 12 10:12:58.464 aest: OSPF: Send DBD to xxx.xxx.76.248 on Port-channel1.87 seq 0xB50 opt 0x52 flag 0x2 len 1412Nov 12 10:12:58.464 aest: OSPF: Send with youngest Key 10Nov 12 10:12:58.484 aest: OSPF: Rcv DBD from xxx.xxx.76.248 on Port-channel1.87 seq 0xB51 opt 0x52 flag 0x3 len 1412 mtu 1500 state EXCHANGENov 12 10:12:58.484 aest: OSPF: Send DBD to xxx.xxx.76.248 on Port-channel1.87 seq 0xB51 opt 0x52 flag 0x2 len 1412Nov 12 10:12:58.484 aest: OSPF: Send with youngest Key 10Nov 12 10:12:58.500 aest: OSPF: Rcv DBD from xxx.xxx.76.248 on Port-channel1.87 seq 0xB52 opt 0x52 flag 0x3 len 1412 mtu 1500 state EXCHANGENov 12 10:12:58.500 aest: OSPF: Send DBD to xxx.xxx.76.248 on Port-channel1.87 seq 0xB52 opt 0x52 flag 0x2 len 1412Nov 12 10:12:58.500 aest: OSPF: Send with youngest Key 10Nov 12 10:12:58.520 aest: OSPF: Rcv DBD from xxx.xxx.76.248 on Port-channel1.87 seq 0xB53 opt 0x52 flag 0x3 len 1412 mtu 1500 state EXCHANGENov 12 10:12:58.520 aest: OSPF: Send DBD to xxx.xxx.76.248 on Port-channel1.87 seq 0xB53 opt 0x52 flag 0x2 len 1412Nov 12 10:12:58.520 aest: OSPF: Send with youngest Key 10Nov 12 10:12:58.536 aest: OSPF: Rcv DBD from xxx.xxx.76.248 on Port-channel1.87 seq 0xB54 opt 0x52 flag 0x3 len 1412 mtu 1500 state EXCHANGENov 12 10:12:58.536 aest: OSPF: Send DBD to xxx.xxx.76.248 on Port-channel1.87 seq 0xB54 opt 0x52 flag 0x2 len 1412Nov 12 10:12:58.536 aest: OSPF: Send with youngest Key 10Nov 12 10:12:58.552 aest: OSPF: Rcv DBD from xxx.xxx.76.248 on Port-channel1.87 seq 0xB55 opt 0x52 flag 0x3 len 1412 mtu 1500 state EXCHANGENov 12 10:12:58.552 aest: OSPF: Send DBD to xxx.xxx.76.248 on Port-channel1.87 seq 0xB55 opt 0x52 flag 0x2 len 1412Nov 12 10:12:58.552 aest: OSPF: Send with youngest Key 10Nov 12 10:12:58.572 aest: OSPF: Rcv DBD from xxx.xxx.76.248 on Port-channel1.87 seq 0xB56 opt 0x52 flag 0x3 len 1412 mtu 1500 state EXCHANGENov 12 10:12:58.572 aest: OSPF: Send DBD to xxx.xxx.76.248 on Port-channel1.87 seq 0xB56 opt 0x52 flag 0x2 len 1412Nov 12 10:12:58.572 aest: OSPF: Send with youngest Key 10Nov 12 10:12:58.588 aest: OSPF: Rcv DBD from xxx.xxx.76.248 on Port-channel1.87 seq 0xB57 opt 0x52 flag 0x3 len 1412 mtu 1500 state EXCHANGENov 12 10:12:58.588 aest: OSPF: Send DBD to xxx.xxx.76.248 on Port-channel1.87 seq 0xB57 opt 0x52 flag 0x2 len 1412Nov 12 10:12:58.588 aest: OSPF: Send with youngest Key 10Nov 12 10:12:58.604 aest: OSPF: Rcv DBD from xxx.xxx.76.248 on Port-channel1.87 seq 0xB58 opt 0x52 flag 0x3 len 1412 mtu 1500 state EXCHANGENov 12 10:12:58.604 aest: OSPF: Send DBD to xxx.xxx.76.248 on Port-channel1.87 seq 0xB58 opt 0x52 flag 0x2 len 1412Nov 12 10:12:58.604 aest: OSPF: Send with youngest Key 10Nov 12 10:12:58.624 aest: OSPF: Rcv DBD from xxx.xxx.76.248 on Port-channel1.87 seq 0xB59 opt 0x52 flag 0x3 len 1412 mtu 1500 state EXCHANGENov 12 10:12:58.624 aest: OSPF: Send DBD to xxx.xxx.76.248 on Port-channel1.87 seq 0xB59 opt 0x52 flag 0x2 len 1412Nov 12 10:12:58.624 aest: OSPF: Send with youngest Key 10Nov 12 10:12:58.640 aest: OSPF: Rcv DBD from xxx.xxx.76.248 on Port-channel1.87 seq 0xB5A opt 0x52 flag 0x3 len 1412 mtu 1500 state EXCHANGENov 12 10:12:58.640 aest: OSPF: Send DBD to xxx.xxx.76.248 on Port-channel1.87 seq 0xB5A opt 0x52 flag 0x2 len 1412Nov 12 10:12:58.640 aest: OSPF: Send with youngest Key 10Nov 12 10:12:58.656 aest: OSPF: Rcv DBD from xxx.xxx.76.248 on Port-channel1.87 seq 0xB5B opt 0x52 flag 0x3 len 1412 mtu 1500 state EXCHANGENov 12 10:12:58.656 aest: OSPF: Send DBD to xxx.xxx.76.248 on Port-channel1.87 seq 0xB5B opt 0x52 flag 0x2 len 1412Nov 12 10:12:58.656 aest: OSPF: Send with youngest Key 10Nov 12 10:12:58.676 aest: OSPF: Rcv DBD from xxx.xxx.76.248 on Port-channel1.87 seq 0xB5C opt 0x52 flag 0x3 len 1412 mtu 1500 state EXCHANGENov 12 10:12:58.676 aest: OSPF: Send DBD to xxx.xxx.76.248 on Port-channel1.87 seq 0xB5C opt 0x52 flag 0x2 len 1412Nov 12 10:12:58.676 aest: OSPF: Send with youngest Key 10Nov 12 10:12:58.692 aest: OSPF: Rcv DBD from xxx.xxx.76.248 on Port-channel1.87 seq 0xB5D opt 0x52 flag 0x3 len 1412 mtu 1500 state EXCHANGENov 12 10:12:58.692 aest: OSPF: Send DBD to xxx.xxx.76.248 on Port-channel1.87 seq 0xB5D opt 0x52 flag 0x2 len 1412Nov 12 10:12:58.692 aest: OSPF: Send with youngest Key 10Nov 12 10:12:58.708 aest: OSPF: Rcv DBD from xxx.xxx.76.248 on Port-channel1.87 seq 0xB5E opt 0x52 flag 0x3 len 1412 mtu 1500 state EXCHANGENov 12 10:12:58.708 aest: OSPF: Send DBD to xxx.xxx.76.248 on Port-channel1.87 seq 0xB5E opt 0x52 flag 0x2 len 1412Nov 12 10:12:58.708 aest: OSPF: Send with youngest Key 10Nov 12 10:12:58.728 aest: OSPF: Rcv DBD from xxx.xxx.76.248 on Port-channel1.87 seq 0xB5F opt 0x52 flag 0x3 len 1412 mtu 1500 state EXCHANGENov 12 10:12:58.728 aest: OSPF: Send DBD to xxx.xxx.76.248 on Port-channel1.87 seq 0xB5F opt 0x52 flag 0x2 len 1412Nov 12 10:12:58.728 aest: OSPF: Send with youngest Key 10Nov 12 10:12:58.744 aest: OSPF: Rcv DBD from xxx.xxx.76.248 on Port-channel1.87 seq 0xB60 opt 0x52 flag 0x3 len 1412 mtu 1500 state EXCHANGENov 12 10:12:58.744 aest: OSPF: Send DBD to xxx.xxx.76.248 on Port-channel1.87 seq 0xB60 opt 0x52 flag 0x2 len 1412Nov 12 10:12:58.744 aest: OSPF: Send with youngest Key 10Nov 12 10:12:58.760 aest: OSPF: Rcv DBD from xxx.xxx.76.248 on Port-channel1.87 seq 0xB61 opt 0x52 flag 0x3 len 1412 mtu 1500 state EXCHANGENov 12 10:12:58.760 aest: OSPF: Send DBD to xxx.xxx.76.248 on Port-channel1.87 seq 0xB61 opt 0x52 flag 0x2 len 92Nov 12 10:12:58.760 aest: OSPF: Send with youngest Key 10Nov 12 10:12:58.776 aest: OSPF: Rcv DBD from xxx.xxx.76.248 on Port-channel1.87 seq 0xB62 opt 0x52 flag 0x1 len 92 mtu 1500 state EXCHANGENov 12 10:12:58.776 aest: OSPF: Exchange Done with xxx.xxx.76.248 on Port-channel1.87Nov 12 10:12:58.776 aest: OSPF: Synchronized with xxx.xxx.76.248 on Port-channel1.87, state FULLNov 12 10:12:58.776 aest: %OSPF-5-ADJCHG: Process 100, Nbr xxx.xxx.76.248 on Port-channel1.87 from LOADING to FULL, Loading DoneNov 12 10:12:58.776 aest: OSPF: Send DBD to xxx.xxx.76.248 on Port-channel1.87 seq 0xB62 opt 0x52 flag 0x0 len 32Nov 12 10:12:58.780 aest: OSPF: Send with youngest Key 10Nov 12 10:12:58.948 aest: OSPF: Reset old DR on Port-channel1.87
R2 logs:
Nov 12 10:12:58.436 AEST: OSPF: Cannot see ourself in hello from xxx.xxx.76.238 on Port-channel1.87, state INITNov 12 10:12:58.436 AEST: OSPF: Neighbor change Event on interface Port-channel1.87Nov 12 10:12:58.436 AEST: OSPF: DR/BDR election on Port-channel1.87 Nov 12 10:12:58.436 AEST: OSPF: Elect BDR 0.0.0.0Nov 12 10:12:58.436 AEST: OSPF: Elect DR xxx.xxx.76.248Nov 12 10:12:58.436 AEST: DR: xxx.xxx.76.248 (Id) BDR: none Nov 12 10:12:58.436 AEST: OSPF: Send with youngest Key 10Nov 12 10:12:58.452 AEST: OSPF: Rcv DBD from xxx.xxx.76.238 on Port-channel1.87 seq 0x1717 opt 0x52 flag 0x7 len 32 mtu 1500 state INITNov 12 10:12:58.452 AEST: OSPF: 2 Way Communication to xxx.xxx.76.238 on Port-channel1.87, state 2WAYNov 12 10:12:58.452 AEST: OSPF: Neighbor change Event on interface Port-channel1.87Nov 12 10:12:58.452 AEST: OSPF: DR/BDR election on Port-channel1.87 Nov 12 10:12:58.452 AEST: OSPF: Elect BDR xxx.xxx.76.238Nov 12 10:12:58.452 AEST: OSPF: Elect DR xxx.xxx.76.248Nov 12 10:12:58.452 AEST: DR: xxx.xxx.76.248 (Id) BDR: xxx.xxx.76.238 (Id)Nov 12 10:12:58.452 AEST: OSPF: Port-channel1.87 Nbr xxx.xxx.76.238: Prepare dbase exchangeNov 12 10:12:58.452 AEST: OSPF: Send DBD to xxx.xxx.76.238 on Port-channel1.87 seq 0xB50 opt 0x52 flag 0x7 len 32Nov 12 10:12:58.452 AEST: OSPF: Send with youngest Key 10Nov 12 10:12:58.452 AEST: OSPF: First DBD and we are not SLAVENov 12 10:12:58.472 AEST: OSPF: Rcv DBD from xxx.xxx.76.238 on Port-channel1.87 seq 0xB50 opt 0x52 flag 0x2 len 1412 mtu 1500 state EXSTARTNov 12 10:12:58.472 AEST: OSPF: NBR Negotiation Done. We are the MASTERNov 12 10:12:58.472 AEST: OSPF: Port-channel1.87 Nbr xxx.xxx.76.238: Summary list built, size 1176Nov 12 10:12:58.472 AEST: OSPF: Send DBD to xxx.xxx.76.238 on Port-channel1.87 seq 0xB51 opt 0x52 flag 0x3 len 1412Nov 12 10:12:58.472 AEST: OSPF: Send with youngest Key 10Nov 12 10:12:58.488 AEST: OSPF: Rcv DBD from xxx.xxx.76.238 on Port-channel1.87 seq 0xB51 opt 0x52 flag 0x2 len 1412 mtu 1500 state EXCHANGENov 12 10:12:58.488 AEST: OSPF: Send DBD to xxx.xxx.76.238 on Port-channel1.87 seq 0xB52 opt 0x52 flag 0x3 len 1412
Any assistance is greatly appreciated.
Cheers
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