Subject: Re: [OSPF] About identifying the neighbor?

From: Acee Lindem <[email-masked]>
Date: Mon, 2 Jun 2008 12:24:10 -0400

Hi Zhang,
On May 30, 2008, at 11:50 PM, Zhang Kui wrote:

> Hi all,
>
> In RFC2328,
>
> “If the receiving interface connects to a broadcast
>
>         network, Point-to-MultiPoint network or NBMA network the  
> sender
>
>         is identified by the IP source address found in the  
> packet's IP
>
>         header.  If the receiving interface connects to a point-to- 
> point
>
>         network or a virtual link, the sender is identified by the
>
>         Router ID (source router) found in the packet's OSPF header.”
>
> Why do we do this? Is it ok to identify the neighbor by the router  
> id regardless of network types?
>

Yup - the router id must be unique in the OSPF routing domain. It is  
used for router identification for all networks types in OSPFv3.

Thanks,
Acee
>
>
>
>
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