[c-nsp] RSVP and split-horizon

[Oliver Boehmer (oboehmer)]

Sam Stickland <mailto:sam_mailinglists at spacething.org> wrote on Monday,
June 30, 2008 2:21 PM:

> Oliver Boehmer (oboehmer) wrote:
>> Sam Stickland <> wrote on Monday, June 30, 2008 12:48 PM:
>> 
>> 
>>> Hi,
>>> 
>>> Is there some way to disable/work-around RSVPs split horizon checks?
>>> Currently it will log messages like this when receiving path
>>> requests on the same interface it needs to forward out of:
>>> 
>>> RSVP: can't forward Path out received interface
>>> 
>>> This could be fixed in the topology, but I'm trying to understand
>>> my options. 
>>> 
>> 
>> hmm, not sure if there are any options according to RSVP specs
>> RFC2205, Section 2.3: 
>> 
>> "State that is received through a particular interface I* should
>>  never be forwarded out the same interface.  Conversely, state that
>>  is forwarded out interface I* must be computed using only state
>>  that arrived on interfaces different from I*."
>> 
>> what are you trying to achieve?
>> 
> I was trying to get a working RSVP reservation between two spokes on a
> frame-relay setup. Spokes are point-to-point links and the hub is
> point-to-multipoint.
> 
> Is this setup possible?

I don't know for certain, but don't think it is.. 

	oli