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Usage of object LSP_TUNNEL_INTERFACE_ID

  • From: Apratim Mukherjee <ApratimM@netbrahma.com>
  • Date: Tue, 31 Jul 2001 13:58:33 +0530

> Hi Manoj,
> 
> draft-ietf-mpls-rsvp-unnum-01.html
> says
> "
> The LSP_TUNNEL_INTERFACE_ID object has a class number of type 11bbbbbb (to
> be assigned by IANA), C-Type of 1 and length of 12. The format is given
> below. 
>    Figure 1: LSP_TUNNEL_INTERFACE_ID Object
>     0                   1                   2                   3
>     0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
>    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
>    |                        LSR's Router ID                        |
>    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
>    |                    Interface ID (32 bits)                     |
>    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
> This object can optionally appear in either a Path message or a Resv
> message. In the former case, we call it the "Forward Interface ID" for
> that LSP; in the latter case, we call it the "Reverse Interface ID" for
> the LSP"
> 
> However , the class number is yet to be assigned as seen above . Also ,
> this is an extension to support TE lsps on unnumbered links and is an
> extension of rsvp . There is no requirement as of now to mandatorily
> support this object .
> 
> Hope this helps 
> Apratim
> 
> 
> ----------
> From: 	manoj juneja[SMTP:manojkumarjuneja@hotmail.com]
> Sent: 	Tuesday, July 31, 2001 6:58 AM
> To: 	mpls@UU.NET
> Subject: 	Usage of object LSP_TUNNEL_INTERFACE_ID
> 
> Hi All,
>           Can someone please explain me where and how the 
> LSP_TUNNEL_INTERFACE_ID object is used in RSVP-TE ?
> 
> Regards,
> manoj.
> 
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