Cisco OSPF Command and Configuration Handbook (paperback)

21-6 debug ip ospf lsa-generation ip-access-list-number

Syntax Description:

• ip-access-list-number ” Number of the IP access list used to filter the output of the flood command. Valid ranges are 1 to 99 and 1300 to 1999.

Purpose: To display information regarding the generation and flooding of summary LSAs.

Example: Displaying the Successful Formation of an OSPF Adjacency

The following is representative output from the debug ip ospf lsa-generation EXEC command on a router that is redistributing EIGRP routes into OSPF.

r4# debug ip ospf lsa-generation OSPF summary lsa generation debugging is on r4# clear ip ospf process Reset ALL OSPF processes? [no]: yes r4# 6w4d: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Ethernet1/0 from FULL to DOWN, Neighbor Down: Interface down or detached 6w4d: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on Ethernet0/0 from FULL to DOWN, Neighbor Down: Interface down or detached 6w4d: OSPF: Start redist-scanning 6w4d: OSPF: Scan the RIB for both redistribution and translation 6w4d: OSPF: net 169.254.0.0 up, new metric decreases: old 16777215, new 10 6w4d: OSPF: Generate external LSA 169.254.0.0, mask 255.254.0.0, type 5, age 0, metric 10, tag 0, metric-type 2, seq 0x80000001 6w4d: OSPF: generate external LSA for summary 169.254.0.0 255.254.0.0, metric 10 6w4d: OSPF: End scanning, Elapsed time 4ms 6w4d: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on Ethernet0/0 from LOADING to FULL , Loading Done 6w4d: OSPF: Generate external LSA 169.254.0.0, mask 255.254.0.0, type 5, age 0, metric 10, tag 0, metric-type 2, seq 0x80000091 6w4d: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Ethernet1/0 from LOADING to FULL , Loading Done