From: Gabriel Nunes (gabriel.nunes@gmail.com)
Date: Thu Nov 01 2007 - 10:17:19 ART
I had a problem this last night in a migration with RIP.
Current scenario:
7500A(ITP) --| vlan |-- 7500B - The 7500A only receives an default route
with the default-originate command.
Desired scenario:
7500A(ITP) --| vlan |-- 6500 - The 6500 is with the same config.
The only diference is that the ip on 6500 is configured with an interface
vlan, and the ip on 7500B is configured on an subinterface.
The problem is that with the desired scenario the 7500A(ITP) didn't receive
the default route.
Any ideas? Comments?
I'm almost oppening a TAC...
Thanks,
Gabriel
On 11/1/07, Gupta, Gopal (NWCC) <gopal.gupta@hp.com> wrote:
>
> Hi
>
> TTL 2 is when we do broadcast as well as multicast by V1(I tested) and
> V2( not tested yet) respectively, and when we use neighbor statements it
> goes with the TTL of 1 (Tested) ehich must be TTL of 2 or more for spoke
> to spoke advertisement.
> But the following blog says when neighbor statements are there, It goes
> with the TTL of 255.
> http://ioshints.blogspot.com/2007/09/rip-multicast-updates-are-sent-with
> -ttl.html
>
> Regards,
> Gops
>
> -----Original Message-----
> From: Bob Sinclair [mailto:bob@bobsinclair.net]
> Sent: Thursday, November 01, 2007 18:14
> To: Gupta, Gopal (NWCC)
> Cc: ccielab@groupstudy.com
> Subject: Re: RIP with TTL of 2
>
> Gupta, Gopal (NWCC) wrote:
> > Hi Folks,
> >
> > I have a question, why does RIP send the updates with a TTL of 2
> > confirmed with Sniffer; or how does it help RIP for its operations ?
> > Or does RIP requie TTL of 2 ?
> As you say, the TTL is 2 whether unicast, broadcast or multicast. I
> have never seen the purpose documented. One benefit: it permits
> spoke-to-spoke route advertisement using neighbor statements. The same
> is true with EIGRP.
>
> Hth,
>
> --
>
>
> Bob Sinclair CCIE 10427 CCSI 30427
> www.netmasterclass.net
>
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