Re: Martian list of IP's to block???

[Andy McConnell <andym () ntt net>]

On Fri, 1 Oct 1999 bmanning () vacation karoshi com wrote:

}>     deny   ip 224.0.0.0 31.255.255.255 any log

...

}       I'm not convinced that blocking native multicast is a good idea.


I think it makes sense if you're using this list to block source
addresses, or if you are applying this list to unicast routes only.  We
also block 224.0.0.0/4, but not on MBGP-learned routes. 

-andy

--
Andy McConnell  IP Operations Manager                   andym () ntt net
NTT America     Network and IP Service Division         +1 408 873 3757
真向練 安堵龍         NTTアメリカIPオペレーション担当課長    

Always try to do things in chronological order; it's less
confusing that way.