07-20-2009 12:01 AM - edited 03-06-2019 06:51 AM
%OSPF-4-FLOOD_WAR: Process 100 re-originates LSA ID 202.179.111.69 type-2 adv-rtr 202.151.240.40 in area 0
I have read a few forum entries saying look for duplicate Router-ID.
Should I look for a duplicate 202.179.111.69 address
or
202.151.240.40 address in my network.
=========
Problem appeared to have started after the following config was added:
Router1#interface Tunnel1
description to Router2
ip unnumbered Loopback100
tunnel destination 202.151.240.20
tunnel mode mpls traffic-eng
tunnel mpls traffic-eng autoroute announce
tunnel mpls traffic-eng path-option 10 explicit name KPGP-PE60A-SGBP-PE90A
tunnel mpls traffic-eng path-option 20 dynamic
tunnel mpls traffic-eng record-route
tunnel mpls traffic-eng fast-reroute
IOS version:
=============
c7600s72033-advipservicesk9-mz.122-33.SRC3.bin
07-20-2009 12:03 AM
More info:
==========
Router2#interface Tunnel1
description to Router1
ip unnumbered Loopback100
tunnel destination 202.151.240.40
tunnel mode mpls traffic-eng
tunnel mpls traffic-eng autoroute announce
tunnel mpls traffic-eng path-option 10 explicit name SGBP-PE90A-KPGP-PE60A
tunnel mpls traffic-eng path-option 20 dynamic
tunnel mpls traffic-eng record-route
tunnel mpls traffic-eng fast-reroute
!
07-20-2009 12:05 AM
Router1:
========
router ospf 100
router-id 202.151.240.40
max-metric router-lsa on-startup 120
log-adjacency-changes
auto-cost reference-bandwidth 100000
nsf cisco
area 0 authentication message-digest
timers throttle spf 50 50 5000
timers throttle lsa 0 20 5000
timers lsa arrival 15
redistribute static subnets route-map STATIC_TO_OSPF
passive-interface GigabitEthernet2/4
passive-interface GigabitEthernet3/48
network 202.75.187.128 0.0.0.31 area 0
network 202.151.240.40 0.0.0.0 area 0
network 202.151.240.41 0.0.0.0 area 0
network 202.151.241.0 0.0.0.255 area 0
network 202.179.111.68 0.0.0.3 area 0
network 202.179.117.0 0.0.0.31 area 0
network 202.179.117.128 0.0.0.31 area 0
network 202.179.118.216 0.0.0.7 area 0
mpls ldp sync
mpls traffic-eng router-id Loopback100
mpls traffic-eng area 0
mpls traffic-eng multicast-intact
Router 2:
=========router ospf 100
router-id 202.151.240.20
max-metric router-lsa on-startup 120
log-adjacency-changes
auto-cost reference-bandwidth 100000
nsf cisco
area 0 authentication message-digest
timers throttle spf 50 50 5000
timers throttle lsa 0 20 5000
timers lsa arrival 15
network 202.75.187.0 0.0.0.31 area 0
network 202.151.240.20 0.0.0.0 area 0
network 202.151.240.21 0.0.0.0 area 0
network 202.151.241.0 0.0.0.255 area 0
network 202.179.111.64 0.0.0.3 area 0
network 202.179.116.0 0.0.0.255 area 0
mpls ldp sync
mpls traffic-eng router-id Loopback100
mpls traffic-eng area 0
mpls traffic-eng multicast-intact
07-20-2009 01:13 AM
Hello Alphonse,
look for
202.151.240.40 address in my network.
it is the advertising router adv-rtr of the conflicting LSA
two different LSAs should be generated by local node and that node
to look at OSPF DB
sh ip ospf database ?
adv-router Advertising Router link states
asbr-summary ASBR summary link states
database-summary Summary of database
external External link states
network Network link states
nssa-external NSSA External link states
opaque-area Opaque Area link states
opaque-as Opaque AS link states
opaque-link Opaque Link-Local link states
router Router link states
self-originate Self-originated link states
summary Network summary link states
| Output modifiers
>> LSA ID 202.179.111.69 type-2 adv-rtr 202.151.240.40 in area 0
use the lsa-id with the right type example if type 2
sh ip ospf database network 202.179.111.69
do it on both nodes and compare the outputs
they may be claiming to put the subnet/link in two different areas
Edit:
it looks like both are generating network LSA for segment: you may have a L2 issue and they don't talk to each other on segment/vlan check this.
Hope to help
Giuseppe
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