[c-nsp] T1 MLPPP causing OSPF to crash

[Chris Lane]

Yes, just logged the console and it was debugging ppp multilink fragments.
I turned it off.

Sorry for the bad terminology. The router did not crash, the adjacency went
down via OSPF.



On 8/30/06, Oliver Boehmer (oboehmer) <oboehmer at cisco.com> wrote:
>
> 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  *
> > * ******************
> > _______________________________________________
> > cisco-nsp mailing list  cisco-nsp at puck.nether.net
> > https://puck.nether.net/mailman/listinfo/cisco-nsp
> > archive at http://puck.nether.net/pipermail/cisco-nsp/
>



-- 
********************
* Chris Lane      *
* 401.662.1875  *
* ******************