Whether are compatible Cisco IOS and BIRD at usage OSPF MD5ofauthentification?

Владислав Гришин Vladislav.Grishin at vts24.ru
Tue Jul 13 15:33:02 CEST 2010


Yes.

Right config of cisco

interface Vlan550
 ip address 10.10.1.3 255.255.255.128
 ip ospf authentication message-digest
 ip ospf message-digest-key 1 md5 7 15220D080E26292F2E6760
 ip ospf priority 5
!

-----Original Message-----
From: owner-bird-users at atrey.karlin.mff.cuni.cz
[mailto:owner-bird-users at atrey.karlin.mff.cuni.cz] On Behalf Of Ondrej
Zajicek
Sent: Tuesday, July 13, 2010 5:32 PM
To: ????????? ??????
Cc: 'Vitaliy Kolodinsky'; bird-users at trubka.network.cz
Subject: Re: Whether are compatible Cisco IOS and BIRD at usage OSPF
MD5ofauthentification?

On Tue, Jul 13, 2010 at 04:57:27PM +0400, ????????? ?????? wrote:
> 
> Debug output of cisco 3550 after I insert command 'ip ospf lls disable'.
> 
> ...
> interface Vlan550
>  ip address 10.10.1.3 255.255.255.128
>  ip ospf authentication
>  ip ospf message-digest-key 1 md5 7 15220D080E26292F2E6760
>  ip ospf priority 5
>  ip ospf lls disable
> ...
> 
> 10.10.1.1 and 10.10.1.2 is IPs of bird.
> 
> 3550-L3-S1#debug ip ospf events
> OSPF events debugging is on
> 3550-20a-L3-S1#debug ip ospf hello
> OSPF hello events debugging is on
> 3550-20a-L3-S1#
> *Mar 16 02:45:55.637: OSPF: Send hello to 224.0.0.5 area 0 on Vlan550 from
> 10.10.1.3
> *Mar 16 02:45:55.637: OSPF: Rcv pkt from 10.10.1.2, Vlan550 : Mismatch
> Authentication type. Input packet specified type 2, we use type 1
> *Mar 16 02:45:56.593: OSPF: end of Wait on interface Vlan550
> *Mar 16 02:45:56.593: OSPF: DR/BDR election on Vlan550
> *Mar 16 02:45:56.593: OSPF: Elect BDR 10.10.1.3
> *Mar 16 02:45:56.593: OSPF: Elect DR 10.10.1.3
> *Mar 16 02:45:56.593: OSPF: Elect BDR 0.0.0.0
> *Mar 16 02:45:56.593: OSPF: Elect DR 10.10.1.3
> *Mar 16 02:45:56.593:        DR: 10.10.1.3 (Id)   BDR: none
> *Mar 16 02:45:57.093: OSPF: No full nbrs to build Net Lsa for interface
> Vlan550
> *Mar 16 02:45:58.049: OSPF: Rcv pkt from 10.10.1.1, Vlan550 : Mismatch
> Authentication type. Input packet specified type 0, we use type 1
> *Mar 16 02:46:04.821: OSPF: Rcv pkt from 10.10.1.2, Vlan550 : Mismatch
> Authentication type. Input packet specified type 2, we use type 1

I don't have much experience with Cisco, but i would guess that
you have configured Cisco to use plaintext passwords (type 1)
instead of MD5 auth (type 2).

-- 
Elen sila lumenn' omentielvo

Ondrej 'SanTiago' Zajicek (email: santiago at crfreenet.org)
OpenPGP encrypted e-mails preferred (KeyID 0x11DEADC3, wwwkeys.pgp.net)
"To err is human -- to blame it on a computer is even more so."




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