On 2010-04-03 11:00, Gert Doering wrote: > As far as I understand, there is no performance difference, but the > PFC3A is buggy regarding MPLS. So you lose MPLS support. > (There might be other caveats - I don't have a conclusive list, all I've > heard so far is "PFC3A is bad, use PFC3B").
>From top of my head: - L2 multicast bridging won't work with MTU/TTL rate limiter - the hash efficency for NetFlow is at 50%, so with PFC3A you get around 64k entries, not like in PFC3B around 110k entries - only 512 ACL labels, compared with 4096 for PFC3B - no ACL hit counters - no support for L2 classification of IP packets - QoS on tunnel interfaces done in software vs in hardware for PFC3B - no MPLS at all (only with OSMs/FlexWANs) - VRF Select not supported - no multicast in VPNs -- "Everything will be okay in the end. | Łukasz Bromirski If it's not okay, it's not the end." | http://lukasz.bromirski.net _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
