The MPLS WG Archive

[Gaitonde Anandprasanna <prasanna@csa.iisc.ernet.in>]

If u can remeber there was some discussion going on 
How to fill ERO object in case of RSVP-TE , but somehow i was unable to
ask my questions at that time.

I have the follwoing queries:

3 options had been considered:
1) Put the router ID of the routers. This does not work with routers
 having multiuple links and unnumbered interfaces.

First i would like to know how can we put the router ID in the ERO
subobject. If we see the format of the ERO subobject we can put IPV4
prefix, IPV6 prefix or AS Number inside that object .

so how can we put router id. Is it in IP address format???


2) Put in the egress interface of the routers on the path.
That is  remote IP addrress of each link .

But in case of unnumbered links how can we get the IP address of the
remote end.

PLease let me know this.  

And also i am confused as to how to do the following

Refer RSVP-TE draft Section 4.3.4.1 :


SElection of Next Hop:

5) Interior of the abstract nnode case:- Otherwise, the node slects the
next hop within the abstract node of the subobject ( which the node
belongs to) that is along the path to  the abstract node of the second
subobject ( which is the next abstract node). 

How can we do this ?? Please let me know. (Perhaps i am asking an
implentation question here...)



Thanx in advance

Pras




                 
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