The routers I tested were in version 12.1T or 12.1E and also 12.0(1)T, I
runs V1, for that's the default RIP config, to make sure, I added version 1
but no luck.
After sent out the mail I tested another 1600 which runs 12.0(0.20)T, this
guys runs differently -- doesn't propagate its loopback address, sounds like
a IOS change in 12.X.
Thanks,
Jerry
----- Original Message -----
From: "Circusnuts"
To: "Jerry Seven" ;
Sent: Sunday, June 03, 2001 3:33 PM
Subject: Re: RIPv1: why /32 route is distributed [7:7010]
> The /32 Subnet Mask in your Show IP Route, is OSPF earmarking the
loopbacks.
> I believe it's 12.1 where this goes away, though I do not know what the
> advantage would be.
>
> Phil
>
> ----- Original Message -----
> From: Jerry Seven
> To:
> Sent: Sunday, June 03, 2001 6:27 PM
> Subject: RIPv1: why /32 route is distributed [7:7010]
>
>
> > Hi Group,
> >
> > In this simple environment:
> >
> > 172.10.12.0/25
> > R1----------------------------R2
> >
> > I run RIPv1 between R1 and R2, the network in between is 172.10.12.0/25,
> on
> > R1 I have loopback0 which is 172.10.0.1/32 and another network
> 172.10.11.0/28
> > directly connected, I saw R1 distributes route 172.10.0.1/32 to R2, but
> not
> > 172.10.11.0/28.
> >
> > I understand that 172.10.11.0/28 should not be distributed, but why /32
> route
> > is distributed, on R2 I saw route 172.10.0.1/32, how does R2 correctly
> know
> > the mask is 32 bits, for I run RIPv1, packet doesn't carry mask.
> >
> > I also tried redistribute other /32 routes from OSPF to R1, R1 also
> > redistribute them to R2, why /32 routes are always redistributed out by
> RIP.
> >
> > The versions are all 12.0.
> >
> > Thanks,
> > Jerry
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