Re: Re: OSPF over async

From: l.tosolini@chello.nl
Date: Wed May 11 2005 - 05:00:51 GMT-3


Hi Sean,
indeed 'async default routing' was missing, but after adding it the problem is still there.
As you can see from the debug:
- r1 is sending hello which are received by ccie-console, so r1 ospf is running on async1
- but r1 is not receiving hello from ccie-console
Very strange, isn't it?
Thanks,
Luca.

>
> van: "Sean C" <Upp_and_Upp@hotmail.com>
> datum: 2005/05/11 wo AM 12:24:41 CEST
> aan: <l.tosolini@chello.nl>, <ccielab@groupstudy.com>
> onderwerp: Re: OSPF over async
>
> Luca,
>
> Off the top of my head, have you applied 'async default routing' to R1
> Asynch1? I see it's configured on Asynch41. Since R1 is using it's AUX
> port, it will need this command to send routing updates.
> http://www.cisco.com/univercd/cc/td/doc/product/software/ios123/123cgcr/dial_r/dia_a1g.htm#wp1017976
>
> async default routing - To enable the router to pass routing updates to
> other routers over the AUX port configured as an asynchronous interface, use
> the async default routing command in interface configuration mode.
>
> HTH,
> Sean
>
> ----- Original Message -----
> From: <l.tosolini@chello.nl>
> To: <ccielab@groupstudy.com>
> Sent: Tuesday, May 10, 2005 5:43 PM
> Subject: OSPF over async
>
>
> > Dear group,
> > I am not able to establish an adjecency between ccie-console/async41 (2600
> > with octopus cable) and r1/async1 (2600 aux port)
> > IP is ok because they can ping eachother, it seems that r1 is not
> > receiving multicast hello from ccie-console.
> > Thanks,
> > Luca.
> >
> > ccie-console
> >
> > interface Async41
> > description ** r1 aux 0 **
> > ip address 192.168.251.193 255.255.255.252
> > encapsulation ppp
> > async default routing
> > async mode dedicated
> > peer default ip address 192.168.251.194
> > no keepalive
> >
> > router ospf 1
> > log-adjacency-changes
> > network 192.168.251.193 0.0.0.0 area 0
> >
> > ccie-console#
> > 1d23h: OSPF: Rcv hello from 192.168.251.194 area 0 from Async41
> > 192.168.251.194
> > 1d23h: OSPF: End of hello processing
> > 1d23h: OSPF: Send hello to 224.0.0.5 area 0 on Async41 from
> > 192.168.251.193
> >
> > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> >
> > r1
> >
> > interface Async1
> > description ** ccie-console async41 **
> > ip address negotiated
> > async mode dedicated
> > routing dynamic
> > !
> > router ospf 1
> > log-adjacency-changes
> > network 192.168.251.194 0.0.0.0 area 0
> >
> > line aux 0
> > stopbits 1
> > speed 38400
> >
> > r1#
> > 2d00h: OSPF: Send hello to 224.0.0.5 area 0 on Async1 from 192.168.251.194
> > 2d00h: OSPF: Send hello to 224.0.0.5 area 0 on Async1 from 192.168.251.194
> > 2d00h: OSPF: Send hello to 224.0.0.5 area 0 on Async1 from 192.168.251.194
> > 2d00h: OSPF: Send hello to 224.0.0.5 area 0 on Async1 from 192.168.251.194
> >
> > r1#show ip interface brief
> > Interface IP-Address OK? Method Status
> > Protocol
> > Async1 192.168.251.194 YES IPCP up
> > up
> >
> > r1#ping 192.168.251.193
> >
> > Type escape sequence to abort.
> > Sending 5, 100-byte ICMP Echos to 192.168.251.193, timeout is 2 seconds:
> > !!!!!
> > Success rate is 100 percent (5/5), round-trip min/avg/max = 80/94/144 ms
> >
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