modification request for rs client feature

[robert jakub]

On Dec 22, 2011, at 1:56 PM, Ondrej Zajicek wrote:

>> The idea of a route server is that it "... reduces modifications to
>> advertised route attributes to be transparent (for example does not
>> prepend its AS number to AS PATH attribute and keeps MED attribute)."
>> 
>> However in case that there is a BGP speaker (gateway GW ) which is in
>> the same ASN as the RS it is at least necessary to add the own ASN when
>> announcing prefixes originating in the ASN.
>> 
>> 
>> Hence I would like to propose to modify
>> 
>> do not prepend own AS number
>> 
>> to
>> 
>> do not prepend owwn AS number except for prefixes learnt from iBGP
>> 
>> Does that make sense?
> 
> Yes, it does make sense to me, because it is consistent with the current
> behavior on local (i.e. non-BGP) routes exported to BGP RS session.
> 
> Note that there is a draft on RS behavior, which does not mention this:
> http://tools.ietf.org/html/draft-jasinska-ix-bgp-route-server-03

but can it be optional, not required (eg: with some command to revert to old behavior)

-j.