Wow, that's a great list.
Thanks everybody for the replies!
Tom
On 04/03/2010 07:23 AM, Łukasz Bromirski wrote:
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
--
--------------------------------------------------------------------
Tom Ammon
Network Engineer
Office: 801.587.0976
Mobile: 801.674.9273
Center for High Performance Computing
University of Utah
http://www.chpc.utah.edu
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