Jeff,
Depending on IOS version there is a slight "feature"
(I say bug) that allows you to do this.
You make a 'summary-address' statement under your
router ospf 500 configuration that covers the subnets
you wish to summarize at the classful boundry, in this
case it would be:
router ospf 500
summary-address 152.52.15.0 255.255.255.0
summary-address 152.52.2.0 255.255.255.0
What this does is create two routes with the above
mentioned addresses and points them to the Null 0
interface. These routes will be redistributed into
IGRP and will propagate these as normal out Serial 0.4
since you are in the same basic "class B" range. If
your serial interface were in a different class, you
wouldn't need to do this since it would get
auto-summarized to 152.52.0.0. Keep in mind that once
you pick a subnet mask, you must stick with it
throughout the same classful address. I say this is a
bug since summary-address is normally used when you
are redistributing other protocols into OSPF to
summarize a range. Others may disagree.
Chris M.
--- Jeff McCoy <[EMAIL PROTECTED]> wrote:
> I have a senerio like this
>
> redistributing rtr
> int s0/0.3 - 152.52.0.3 /24 p
> int s0/0.4 - 152.52.64.3 /24 m
> int e0/0 - 152.52.2.1 /23
> int loop0 - 152.52.15.254 /32
>
> router ospf 500
> net 152.52.0.0 0.0.15.255 area 0
>
> router igrp 400
> redistribute ospf 500 met 100 1 255 1 1500
> passive-interface Ethernet0/0
> passive-interface Serial0/0.3
> passive-interface Loopback0
> network 152.52.0.0
> neighbor 152.52.64.4
>
> Other OSPF routers have various masks for
> interfaces. I understand that
> only /24 networks will redistribute. On ABRs I put
> a statement like:
> area 3 range 152.52.33.0 255.255.255.0
> This allows the IGRP to get the 33.0 /24 network.
> How do I get the networks 152.52.15.254/32 and
> 152.52.2.0/23 on area 0 to
> redistribute into IGRP? I have tried to add a
> statment like this on the
> redistributing router:
> area 0 range 152.52.15.0 255.255.255.0
>
> This does not work.
>
> Any ideas?
>
>
>
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