On Sat, Jan 07, 2006 at 11:06:11AM +0100, Sylvain Coutant wrote: > Hello Claudio, > > > I just tried a filter like this: > > match from any AS 29166 set nexthop blackhole > > > > and that did work: > > > Yes. I have run more tests since my previous post, and filter apply the > blackhole tag to the route. But packet were still forwarded. >
Is the blackhole tag set on the kernel route (route get <ip>)? If the flag is set on the route it is more a kernel issue. > After having stopped the session and restarted it, they were then dropped. > > BTW, all tags (localpref, etc.) manipulations require to clear the session > and even to restart bgpd itself. Could this be included in the doc so one > wouldn't have to search for hours on some settings change ? Yes after a reload only newly added prefixes getting set correctly. You need to clear a session to update all prefixes. This can be done with bgpctl nei <neighbor> clear -- :wq Claudio

