The MPLS WG Archive

Cell Relay Retreat>MPLS WG Archive>month:2000-Oct> msg00061



[Date Prev][Date Next][Thread Prev][Thread Next]  
  [Date Index][Thread Index][Author Index][Subject Index]

Interface ID in kompella-unnum-02

  • From: Bora Akyol <akyol@pluris.com>
  • Date: Thu, 05 Oct 2000 13:24:47 -0700
  • CC: "Raftelis, Mike" <Mraftelis@WhiteRockNetworks.com>, "'mpls@uu.net'" <mpls@UU.NET>

Can we add one more bit to the message to indicate whether this is an ifindex vs
IP address?

Bora


Yakov Rekhter wrote:

> Mike,
>
> > Hello,
> >       In draft-kompella-mpls-unnum-02.txt, the interface ID field is shown
> > to be 16 bits.  Previous e-mails have suggested that the size be increased
> > to 32 bits to match the SNMP ifIndex size.  Can this be increased?
>
> Please bear in mind that the interface index (interface ID) is carried
> not just in RSVP/CR-LDP, but in OSPF as well.
>
> In OSPF with unnumbered links interface ID is carried in the same field
> as a plain IP address. At the same time one still need to be able to
> distinguish between the case when this field carries an IP address and
> the case when this field carries an interface ID. So if we allow interface
> ID to be 32 bits, then when this field carries the value 33620225, is
> that an IP address (2.1.1.1) or an interface ID (33620225) ?
>
> Yakov.