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Interface ID in kompella-unnum-02

  • From: Alex Zinin <azinin@cisco.com>
  • Date: Thu, 5 Oct 2000 16:08:53 -0700
  • CC: "Connell, Jeff" <JConnell@WhiteRockNetworks.com>, "'mpls@uu.net'" <mpls@UU.NET>
  • Organization: Cisco Systems

> Jeff,

>> I may be wrong but..

>> The two values are never used in the same field without any other
>> indication, right?

> Wrong.
> For p2p interfaces we have link-type set to 1, but
> we set link ID to IP addr of the interface or its ifIndex

I meant link data.

Alex.

> depending on whether it's numbered or not.

> Alex.

>> In a router-LSA, the router-ID is the IP of the router, and if the link type
>> is point-to-point, then this is indicated with the type field in the link
>> information.  The Link Data field can either be a network mask(type 2 or 3)
>> or an ifIndex (type 1). (p133 RFC2328)  Where else is the ifIndex used in
>> OSPF?