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
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=7011&t=7010
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