From: Guy Farber (gfarber@xxxxxxxxx)
Date: Wed Apr 04 2001 - 18:16:29 GMT-3
Thanks. What does multipoint do to solve the problem?
----- Original Message -----
From: "Daniel C. Young" <danyoung99@mediaone.net>
To: "'Guy Farber'" <gfarber@cisco.com>; <ccielab@groupstudy.com>
Sent: Wednesday, April 04, 2001 10:33 PM
Subject: RE: OSPF over NBMA
> Also, guy. If your spoke was using a subinterface, you would not see
> neighbors unless you typed 'ip ospf network point-to-multipoint'. Of
course,
> 'ip ospf network broadcast' would work as well.
>
> The point is, as Pamela explained, OSPF treats FR (by default) as a
> nonbroadcast network, which means that the multicasts needed to become
> neighbors (224.0.0.5) are not sent.
>
> Hope this clears it up.
>
> Daniel Young
> Sr. Network Engineer
> Internet Data Center
> SBC Service Inc. - ITO
>
> (949) 221-1928 Office
> (714) 350-8945 Cell
> ICQ# 109846891
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> Guy Farber
> Sent: Wednesday, April 04, 2001 2:57 AM
> To: ccielab@groupstudy.com
> Subject: OSPF over NBMA
>
>
> Guys,
>
> I have a very simple FR network. One router functions at the FR switch and
2
> others have a pvc between them. When I run OSPF over the FR link without
> changing any OSPF interface parameters and using in-arp, hellos are not
> being sent from the routers. If I change the interface type to broadcast,
> they start exchanging hellos and finally build an adjacency. Now for the
> interesting part, if I put a neighbor statement on one of them they start
> exchanging hellos and become neighbors. If I remove the neighbor statement
> it stays the same.
>
> I'm using 2621 and 3640 with ver 12.1(4)
>
> What am I missing here?
>
> -------------------------------------------------
> Guy Farber
> Systems Engineer
>
> Tel: +972 (9) 970-0363
> Fax: +972 (9) 970-0019
> GSM: +972 (54) 975-363
> Email: gfarber@cisco.com
>
> Cisco Systems Israel
> 85 Medinat Hayehudim St.
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> ISRAEL
> -------------------------------------------------
> "Programming today is a race between software engineers striving to build
> bigger and better idiot-proof programs, and the Universe trying to produce
> bigger and better idiots. So far, the Universe is winning."
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