Re: OSPF <-> EIGRP Redistribution

From: Erick B. (erickbe@xxxxxxxxx)
Date: Sun Oct 28 2001 - 23:05:10 GMT-3


   
Guys,

It was 12.0(4)T.

http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/121cgcr/ip_r/ip
rprt2/1rdeigrp.htm#xtocid1895716

--- Brian Hescock <bhescock@cisco.com> wrote:
> It's definitely in the later 12.0T code, which means
> it will be in 12.1
> and later. I don't think it was in the later 12.0
> mainline code though
> and we usually only add new features to T code, not
> mainline (although
> isn't a really "feature" per se). I just did a
> quick search and
> couldn't locate it but I didn't look too extensively
> though. You might
> want to check the release notes for 12.0 and 12.0T
> and it will probably
> have a blurb in there.
>
> Brian
>
> EA Louie wrote:
>
> >then I guess the newer code that allows networks to
> be specified with masks
> >in eigrp would be a good solution.
> >
> >Is that available in 12.1, or was 12.2 the first
> release of that feature?
> >
> >----- Original Message -----
> >From: "Brian Hescock" <bhescock@cisco.com>
> >To: "routerjocky" <elouie@yahoo.com>
> >Cc: "David Knot" <david_knot@yahoo.com>;
> <ccielab@groupstudy.com>
> >Sent: Sunday, October 28, 2001 7:36 PM
> >Subject: Re: OSPF <-> EIGRP Redistribution
> >
> >
> >>David and I have been discussing it off-line and
> we haven't found a way
> >>to do it in earlier code (i.e no wildcard bits for
> eigrp).
> >> Passive-interface won't work, it prevents
> advertisement of updates out
> >>that interface but you still have that network
> added to eigrp topology
> >>table and would advertise it out any other eigrp
> interfaces that you
> >>didn't put passive-int on. Configuring "network
> 10.0.0.0" under router
> >>eigrp turns on eigrp on all interfaces with
> 10.x.x.x and places it in
> >>the eigrp topology table. It would then be known
> as an internal eigrp
> >>route, admin distance 90. The ospf route would be
> redistributed and
> >>would be an external eigrp route, admin distance
> 170. So somehow you
> >>would have to make the route learned via ospf a
> lower admin distance or
> >>an equal admin distance and tweak the metrics when
> it's redistributed.
> >> Perhaps there's a hack to do it I hadn't thought
> of but I looked at all
> >>available commands in a route-map and haven't come
> across anything.
> >>Note: the ospf route isn't learned via ospf,
> it's a directly
> >>connected network on the router.
> >>
> >>Brian
> >>
> >>routerjocky wrote:
> >>
> >>>just off the top of my head, passive interfaces
> in conjunction with no
> >>>auto-summary on eigrp should probably work,
> because of the way passive
> >>>interface works with eigrp (turns off the routing
> protocol on those
> >>>interfaces)
> >>>
> >>>-e-
> >>>
> >>>----- Original Message -----
> >>>From: "David Knot" <david_knot@yahoo.com>
> >>>To: "Brian Hescock" <bhescock@cisco.com>
> >>>Cc: <ccielab@groupstudy.com>
> >>>Sent: Sunday, October 28, 2001 3:09 PM
> >>>Subject: Re: OSPF <-> EIGRP Redistribution
> >>>
> >>>
> >>>>Brian
> >>>>
> >>>>Agree that passive-interface won't work!
> >>>>
> >>>>I've tried distance command on Router A but
> since the
> >>>>route is directly connected one, it doesn't sort
> it
> >>>>out.
> >>>>
> >>>>Thanks
> >>>>
> >>>>--- Brian Hescock <bhescock@cisco.com> wrote:
> >>>>
> >>>>>David,
> >>>>> The response someone gave you with
> >>>>>passive-interface won't work but
> >>>>>what should work (if you have older code) is
> use the
> >>>>>"distance" command
> >>>>>to set the admin distance higher so the ospf
> route
> >>>>>is preferred.
> >>>>>You''ll still have the route in the eigrp
> topology
> >>>>>table but it won't
> >>>>>be in the routing table.
> >>>>>
> >>>>>Brian
> >>>>>
> >>>>>David Knot wrote:
> >>>>>
> >>>>>>Hi guys
> >>>>>>
> >>>>>>Can someone help with this OSPF <-> EIGRP
> >>>>>>redistribution lab exercise.
> >>>>>>
> >>>>>>Router B has 2 serial 0, serial 1 & Ethernet 0
> >>>>>>interfaces. The serials are running OSPF on
> them &
> >>>>>>they lead to OSPF IP cloud. The e0 is running
> EIGRP
> >>>>>>
> >>>>>on
> >>>>>
> >>>>>>it & they leads to EIGRP IP cloud. All IP
> subnet
> >>>>>>addresses have prefix of 180.99.X.X.
> >>>>>>
> >>>>>>The problem is when EIGRP is configured it
> grapes
> >>>>>>
> >>>>>all
> >>>>>
> >>>>>>180.99.X.X interfaces (including the s0 & s1
> IP
> >>>>>>subnets) & sends them out. The requirement is
> to
> >>>>>>
> >>>>>have
> >>>>>
> >>>>>>OSPF on 2 serials ONLY (this is easy since
> OSPF
> >>>>>>network command is granular) & EIGRP is to run
> on
> >>>>>>
> >>>>>e0
> >>>>>
> >>>>>>ONLY (this is where I need help since EIGRP
> network
> >>>>>>command is NOT granular). I tried a distribute
> list
> >>>>>>(distribute-list 99 out e0 with ACL denying
> the 2
> >>>>>>serial subnets). But this stops OSPF to EIGRP
> >>>>>>redistribution of these 2 subnets.
> >>>>>>
> >>>>>>Help please!
> >>>>>>
> >>>>>>



This archive was generated by hypermail 2.1.4 : Thu Jun 20 2002 - 22:33:27 GMT-3