On Jun 14, 2011, at 1:20 AM, Mikael Abrahamsson wrote: > On Tue, 14 Jun 2011, Owen DeLong wrote: > >> You would need an AWFUL lot of hosts for this to add up to a few 100pps (or >> even 10pps) of multicast traffic. > > On the AMSIX peering LAN there is more than 100pps of ND traffic (at least > there was when we checked). Since they do not do IPv6 multicast intelligent > handling (MLD snooping I guess) certain highend (legacy) router platforms run > into trouble because all these packets are punted to RP. > > Implementing access list that filtered all multicast traffic the linecard > didn't actually subscribe to, solved the problem.
ND would be a far more frequent occurrence than DHCP requests. Also, I tend to doubt that ANYONE would do DHCP on an exchange point network, so, it's not exactly an applicable example environment. Owen
