On Tue, Jan 09, 2001, Joshua Goodall wrote:
On Tue, 9 Jan 2001, Adrian Chadd wrote:
I'd rather get partial announcements than traffic-filtered announcements. That way, my other network pipes (which hopefully have a path without above.net in it to vuurwerk) will take over. above.net are happy. vuurwerk is happy. life is good. no bitching or extra configuration.
Isn't this just the kind of thing BGP communities can be used for?
Perhaps rfc 1998 is applicable here, depending on Sabri's architecture, although one would probably have to go beyond the NOC frontline to have 6461 tag the blackhole announcements.
Without having an above feed to hand, I couldn't say if they already do.
The problem with communities here is that: * bgp communities apply to a route announcement, not an arbitrary network. The /16 is being announced here and passing through above.net, and if above.net wanted to tag the specific host they'd have to announce the /32. * besides the few well-known ones, each router participating needs to know what the community maps to. So unless I've missed something here, you can't use BGP communities. Adrian -- Adrian Chadd "Sex Change: a simple job of outside <adrian@creative.net.au> to inside plumbing." - Some random movie