Re: OSPF MD5 authentication

From: Annu Roopa (annu_roopa@yahoo.com)
Date: Wed Oct 30 2002 - 14:05:50 GMT-3


Benny,
Try removing the authentication configuration.Shut down the interfaces. Try putting the authenticaion first under OSPF process, then under interface and then enable interfaces and see. Ensure u have no white space after password " cisco" like
"cisco ". Hopefully that should fix it.
Let us know.
Annu.
 
 Benny Chong <c_benny@hotmail.com> wrote:Hi experts,

I have 4 routers in area 0, try to run authentication. I configure
the authentication command in every router, and I have the same key and
password in all routers. But all router give the same error message when i
do 'sh ip ospf adj', saying 'mismatch key'. Any idea?

Thanks!
Benny
************************************************************
Config:

interface Ethernet0
ip address 150.50.7.7 255.255.255.128
ip ospf message-digest-key 1 md5 cisco

router ospf 1
router-id 200.0.0.7
log-adjacency-changes
area 0 authentication message-digest
network 150.50.7.0 0.0.0.127 area 0
*********************************************************
Erro message:

2d00h: OSPF: Send with youngest Key 1
r7#
2d00h: OSPF: Rcv pkt from 150.50.7.5, Ethernet0 : Mismatch Authentication
Key -
Message Digest Key 1
2d00h: OSPF: Rcv pkt from 150.50.7.6, Ethernet0 : Mismatch Authentication
Key -
Message Digest Key 1
r7#
2d00h: OSPF: Send with youngest Key 1
r7#
2d00h: OSPF: Rcv pkt from 150.50.7.5, Ethernet0 : Mismatch Authentication
Key -
Message Digest Key 1
2d00h: OSPF: Rcv pkt from 150.50.7.6, Ethernet0 : Mismatch Authentication
Key -
Message Digest Key 1



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