[c-nsp] T1 MLPPP causing OSPF to crash

[Rodney Dunn]

Turn off the debug. You probably sent so many messages to the console
it couldn't get updates/acks from the OSPF peer.

On Wed, Aug 30, 2006 at 01:13:12PM -0400, Chris Lane wrote:
> I have bonded two t1's yesterday using MLPPP, and today the customer is
> testing the link. We have a 2620 at the customer facility and a 7206VXR at
> our facility. When the customer went to test the link, it caused our 7206 to
> crash OSPF with our backbone.
> Here is a snapshot of our logs:
> Aug 30 12:05:37.786 EDT: Se1/0:0 MLP: O frag C0005507 size 85 direct
> Aug 30 12:05:37.794 EDT: Se1/0:0 MLP: I frag 80004C28 size 90 direct
> Aug 30 12:05:37.794 EDT: Se1/1:1 MLP: I frag 40004C29 size 90 direct
> Aug 30 12:05:37.818 EDT: Se1/1:1 MLP: O frag C0005508 size 86 direct
> Aug 30 12:05:37.830 EDT: Se1/0:0 MLP: I frag 80004C2A size 96 direct
> Aug 30 12:05:37.830 EDT: Se1/1:1 MLP: I frag 40004C2B size 97 direct
> Aug 30 12:05:37.854 EDT: Se1/0:0 MLP: O frag C0005509 size 86 direct
> Aug 30 12:05:37.866 EDT: Se1/0:0 MLP: I frag 80004C2C size 96 direct
> Aug 30 12:05:37.866 EDT: Se1/1:1 MLP: I frag 40004C2D size 98 direct
> Aug 30 12:05:37.890 EDT: Se1/1:1 MLP: O frag C000550A size 87 direct
> Aug 30 12:05:37.898 EDT: Se1/0:0 MLP: I frag 80004C2E size 96 direct
> Aug 30 12:05:37.898 EDT: Se1/1:1 MLP: I frag 40004C2F size 97 direct
> Aug 30 12:05:37.926 EDT: Se1/0:0 MLP: O frag C000550B size 87 direct
> Aug 30 12:05:37.934 EDT: Se1/0:0 MLP: I frag 80004C30 size 96 direct
> Aug 30 12:05:37.934 EDT: Se1/1:1 MLP: I frag 40004C31 size 97 direct
> Aug 30 12:05:37.958 EDT: Se1/1:1 MLP: O frag C000550C size 87 direct
> Aug 30 12:05:37.966 EDT: Se1/0:0 MLP: I frag 80004C32 size 96 direct
> Aug 30 12:05:37.966 EDT: Se1/1:1 MLP: I frag 40004C33 size 97 direct
> Aug 30 12:05:37.990 EDT: Se1/0:0 MLP: O frag C000550D size 87 direct
> Aug 30 12:05:37.998 EDT: Se1/0:0 MLP: I frag 80004C34 size 96 direct
> Aug 30 12:05:37.998 EDT: Se1/1:1 MLP: I frag 40004C35 size 97 direct
> Aug 30 12:05:49.357 EDT: Se1/1:1 MLP: O frag C000550E size 86
> Aug 30 12:05:50.085 EDT: %OSPF-5-ADJCHG: Process 32623, Nbr 216.57.90.82 on
> FastEthernet0/0.1000 from LOADING to FULL, Loading Done
> Aug 30 12:05:59.365 EDT: Se1/0:0 MLP: O frag C000550F size 86
> Aug 30 12:06:08.065 EDT: Se1/1:1 MLP: O frag C0005510 size 58 direct
> Aug 30 12:06:08.069 EDT: Se1/0:0 MLP: I frag C0004C36 size 50 direct
> Aug 30 12:06:08.585 EDT: Se1/0:0 MLP: O frag C0005511 size 58 direct
> 
> Here is my config
> interface Multilink1
>  ip address x.x.x.x/x
>  ip flow ingress
>  no cdp enable
>  ppp multilink
>  multilink-group 1
>  no clns route-cache
> 
> interface Serial1/0:0
>   no ip address
>  ip flow ingress
>  encapsulation ppp
>  no fair-queue
>  ppp authorization NOAUTH
>  ppp multilink
>  multilink-group 1
>  no clns route-cache
> !
> interface Serial1/1:1
>  no ip address
>  encapsulation ppp
>  no fair-queue
>  ppp authorization NOAUTH
>  ppp multilink
>  multilink-group 1
>  no clns route-cache
> 
> Any suggestions?
> -- 
> ********************
> * Chris Lane      *
> * 401.662.1875  *
> * ******************
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