From: D. J. Jones (meganac@xxxxxxxx)
Date: Sun Jan 28 2001 - 18:42:13 GMT-3
I think I understand what you are saying about the ip default-network
command, but I'm unclear how it applies here since the only connected
network in the igrp domain is 171.68.62.93/26? To me that would imply the
following:
router igrp 1
network 171.68.0.0
!
ip classless
ip default-network 171.68.0.0
This I don't think can work because if router r4 in this example has other
interfaces using addresses from net 171.68.0.0, how would you determine
which interface is the default to network 0.0.0.0?
Thanks..dj
----- Original Message -----
From: "Jeremy Gray" <jeremy.gray@virgin.net>
To: <ccielab@groupstudy.com>
Sent: Sunday, January 28, 2001 1:08 PM
Subject: RE: Igrp / ospf and redistribution - revisted
>
>
> IGRP can be painful if you're used to more complex and forgiving
protocols.
>
> In this instance it needs feeding with a default network. IGRP will
> otherwise perform only strict classful lookups.
>
> ip default-network n.n.0.0
>
> Caslow recommends this route be a classful subnet 172.16.0.0 for example.
> THe route is then tagged in show ip route as a 'candidate default route'
> using an *.
>
> Your IGRP routers should then follow this network as though it where
0.0.0.0
>
> Jeremy.
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> D. J. Jones
> Sent: 28 January 2001 17:57
> To: Nigel Taylor; Connary, Julie Ann
> Cc: ccielab@groupstudy.com
> Subject: Re: Igrp / ospf and redistribution - revisted
>
>
> Are you using the redistribute subnets under the ospf process for igrp?
>
> ----- Original Message -----
> From: "Nigel Taylor" <nigel_taylor@hotmail.com>
> To: "Connary, Julie Ann" <jconnary@cisco.com>
> Cc: <ccielab@groupstudy.com>
> Sent: Wednesday, January 24, 2001 7:48 AM
> Subject: Igrp / ospf and redistribution - revisted
>
>
> > Julie Ann,
> > Here's the original mesage/layout of the scanerio I
posted
> > to
> > the group. The lab also specified to only redistribute the OSPF domain
> > routes into the IGRP domain. I do have "red ospf xx metric x x x x
> x"
> > under the IGRP process. Now I do get a 172.16.0.0/16 into the IGRP
> > domain but I cannont ping all interfaces from the IGRP
> > domain(another requirement).
> >
> > Now the lab also specifies "NO Statics". I'm also working on a
> > OSPF - EIGRP - IGRP redistribution lab. In my case the lab required
> > you to only use 172.17.59.x for the EIGRP and OSPF domains.
> > The requirement called for the IGRP domain that is connected to
> > use 171.68.62.93 w/ a 26 bit mask. Let's try some ASCII art.....
> >
> >
> > EIGRP(E1)------R3 -------(S1)---(FR, Area 0)---R2 -----R1-(Area 1)
> > / \
> > / \
> > IGRP OSPF(Area 2)
> > (E0) (E2)
> > / \
> > R4 R5
> > \
> > (Area 3)
> >
> >
> > Ok, I've got the EIGRP(E1) using 172.17.59.0/29. The OSPF domain is
> > using 172.17.59.48/28(S1) and (E2) using 172.17.59.68/30. As I said the
> > IGRP(E0) is assigned 171.68.62.93 w a /26 on R3's E0 interface. I've
> > read through the list thread on this but I'm still unable to see a
route
> > to the OSPF from the IGRP domain. I'm so tired at this point can
> > anyone shed some light on this for me...
> >
> > TIA
> >
> > Nigel...
> >
> >
> >
> >
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