Re: Wanted: one more well-known BGP community

[Ravi Chandra <[e-mail]>]

> Why can't "no-advertise" be used for this? Because it doesn't really make
> sense to set "no-advertise" in an outgoing update. Cisco's "route-map"
> facility, for example, can't do this because when it is used to set
> "no-advertise" in the BGP routing table, the route is naturally not advertise
d
> to any neighbors. The "no-advertise" community is something that only really
> makes sense when applied to incoming updates (in fact, one uses "no-propagate
"
> by configuring a router to set "no-advertise" on any routes received with
> "no-propagate").


	The 'no-advertise' community was meant to do what you want..
why cannot you set the 'no-advertise' for selected entries via the
outbound route-map (10.3 supports network based filtering for outbound
route-maps). It should do what you want..

--ravi


> 
> The "no-propagate" community requires no special semantics and no changes to
> BGP implementations, it just requires a community number to be assigned so
> that the keyword will (hopefully) be added to routers whose parsers recognize
> the names of well-known communities.
> 
> Comments? Thoughts?
> 
> 	--Vince