[c-nsp] Multilink Routing Problem

[Eric Cables]

I'd like to see more of the OSPF config.  Is this all part of area 0, or is
it configured as a stubby network?  If it's stubby, you may need to
configure it as NSSA to get the redistributed routes back into area 0.

On Thu, Jun 12, 2008 at 2:42 PM, Paul Stewart <paul at paulstewart.org> wrote:

> Hi folks.. missing something obvious here.;)
>
>
>
> Cisco 6500 on one side, 2621 on other (customer prem)
>
>
>
> Relevent 6500 Config:
>
>
>
> controller T1 5/0/7
>
>  framing esf
>
>  clock source internal
>
>  linecode b8zs
>
>  channel-group 1 timeslots 1-24
>
>
>
> controller T1 6/0/7
>
>  framing esf
>
>  clock source internal
>
>  linecode b8zs
>
>  channel-group 1 timeslots 1-24
>
>
>
> interface Multilink1
>
>  ip address xx.xx.120.201 255.255.255.252
>
>  ppp multilink
>
>  multilink-group 1
>
>
>
> interface Serial5/0/7:1
>
> no ip address
>
>  encapsulation ppp
>
>  ppp multilink
>
>  multilink-group 1
>
>
>
> interface Serial6/0/7:1
>
> no ip address
>
>  encapsulation ppp
>
>  ppp multilink
>
>  multilink-group 1
>
>
>
> router ospf 1
>
> log-adjacency-changes
>
>  redistribute connected subnets
>
> xxxxxxxxxxxxx
>
> xxxxxxxxxxxxx
>
>
>
>
>
> 2600 Config:
>
>
>
> interface Multilink1
>
> ip address xx.xx.120.202 255.255.255.252
>
>  ppp multilink
>
>  ppp multilink group 1
>
>
>
> interface Serial0/0
>
>  no ip address
>
>  encapsulation ppp
>
>  service-module t1 timeslots 1-24
>
>  ppp multilink
>
>  ppp multilink group 1
>
>
>
> interface Serial0/1
>
> no ip address
>
>  encapsulation ppp
>
>  service-module t1 timeslots 1-24
>
>  ppp multilink
>
>  ppp multilink group 1
>
>
>
> ip route 0.0.0.0 0.0.0.0 xx.xx.120.201
>
>
>
>
>
>
>
> >From the 6500 or the 2621 I can ping between the interfaces no problem but
> can't get traffic past the 6500.  It's redistributing routes via OSPF to
> the
> rest of our network but for some reason not the multilink IP address..
> Anything make sense about this? I can ping the local 6500 interface from
> anywhere in our network but not the 2621 end (except when on the 6500).
>
>
>
> #sh ppp multilink
>
>
>
> Multilink1, bundle name is dis1-rtr-pt
>
>  Endpoint discriminator is dis1-rtr-pt
>
>  Bundle up for 06:32:41, total bandwidth 3072, load 1/255
>
>  Receive buffer limit 24000 bytes, frag timeout 1000 ms
>
>    0/0 fragments/bytes in reassembly list
>
>    0 lost fragments, 22 reordered
>
>    0/0 discarded fragments/bytes, 0 lost received
>
>    0xF19 received sequence, 0xC3E sent sequence
>
>  Member links: 2 active, 0 inactive (max not set, min not set)
>
>    Se0/0, since 06:32:41
>
>    Se0/1, since 06:32:37
>
> No inactive multilink interfaces
>
>
>
> Originally we had OSPF on both sides of the link and the OSPF session would
> come up no problem as "point to point" .. Confused, we moved to static
> routing to try and prove this out.  Is there something special you have to
> do to get a multilink bundle redistributed in OSPF??
>
>
>
> Thanks in advance,
>
>
>
> Paul Stewart
>
>
>
> _______________________________________________
> 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/
>



-- 
Eric Cables