[c-nsp] T1 MLPPP causing OSPF to crash

[Oliver Boehmer (oboehmer)]

You happen to have "logging console" enabled to send debug messages to
the console? 
By "crash OSPF with our backbone", you are referring to the adjaceny
going down? The router didn't crash?

	oli

Chris Lane <> wrote on Wednesday, August 30, 2006 7:13 PM:

> 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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