From: Daniel Free (danrose111@earthlink.net)
Date: Sun Oct 19 2003 - 15:05:33 GMT-3
Hi Mac,
Don't forget the "subnets" keyword whenever you redistribute any protocol
into OSPF.
Danny
----- Original Message -----
From: "Mac" <lmac0303@hotmail.com>
To: <Andre.Dufour@barclayscapital.com>; <ccielab@groupstudy.com>
Sent: Sunday, October 19, 2003 2:37 AM
Subject: Re: Redistribution between OSPF and EIGRP
> Thanks for those tips. But as the diagram below, can I configure it like
> this:
>
> 172.16.x.x } OSPF ---172.16.1.1(s0)R1(E0)192.168.1.1----EIGRP {
192.168.x.x
>
>
> R1
>
> router ospf 1
> network 172.168.1.0 0.0.0.255 area 0
> passive-interface ethernet 0
> redistribute eigrp 1 route-map eigrp-to-ospf
>
>
> router eigrp 1
> network 192.168.1.0 0.0.0.255
> passive-interface serial 0
> redistribute ospf 1 metric 1000 100 255 1 1500 route-map ospf-to-eigrp
> no auto
>
>
> route-map eigrp-to-ospf permit 10
> match ip add 10
>
>
> route-map ospf-to-eigrp permit 10
> match ip add 20
>
> access-list 10 permit 192.168.0.0 0.0.255.255
>
> access-list 20 pemrit 172.16.0.0 0.0.255.255
>
>
> //What if I configure prefix-list instead of access-list like below
>
> ip prefix-list OSPF seq 5 permit 172.16.0.0/16
> ip prefix-list EIGrP seq 5 permit 192.168.0.0/16
>
> any correction or comment will be greatly appreciated.
>
> Thanks,
>
> ++++
> MAC
> ++++
> ----- Original Message -----
> From: <Andre.Dufour@barclayscapital.com>
> To: <ccielab@groupstudy.com>
> Sent: Sunday, October 19, 2003 1:02 PM
> Subject: RE: Redistribution between OSPF and EIGRP
>
>
> > A few things..
> > * OSPF does not use split-horizon; its design (when used properly)
> > negates it.
> > * OSPF is a link state protocol; passive interfaces kill OSPF updates.
> > * Pick exact redistribution points and apply whatever methods (on those
> > redis points) you may choose to explicilty stop loops.
> > * EIGRP's auto-summary vs. OSPFs manual summ.; most specific routes
> > (routes that are not summarized) (regardless of AD) will be chosen.
> > * As with all redistr., try to control access points to and from the AS.
> >
> > Best regards,
> > Andre '
> >
> > -----Original Message-----
> > From: Mac [mailto:lmac0303@hotmail.com]
> > Sent: Saturday, October 18, 2003 10:48 PM
> > To: ccielab@groupstudy.com
> > Subject: Redistribution between OSPF and EIGRP
> >
> >
> > Hi, Group,
> >
> > Just wondering what I need to consider when I do redistribution between
> > OSPFand EIGRP. Do I need to configure filter to avoid routing loop
> > between them? Should I use passive-interface in such case? Thanks a
> > lot.
> >
> >
> > ++++
> > MAC
> > ++++
> >
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