Arie, thanks - is there any cisco document that goes into some detail about the various changes in behaviour/options between pfc and dfc, or should I open a case with TAC ?
thanks Mark 2009/2/10 Arie Vayner (avayner) <[email protected]> > Anton, > > With regards to policing, what would happen is that each DFC would have > its own policers, so if you a policy applied for a VLAN which has ports > on different module, each module would have its own policer with the > configured rate. This means that if you set a 10Mbps policer, but you > have ports on 2 separate cards, each card would apply a separate 10Mbps > policer (allowing in total a potential 20Mbps rate). > The same, BTW, applies to aggregate policers. > > The only change I can remember right now with regards to Etherchannel is > the optional capability of specifying a load balancing algorithm per > module. > > Arie > > > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of vince anton > Sent: Tuesday, February 10, 2009 15:06 > To: cisco-nsp > Subject: [c-nsp] changes in 7600 with DFC3BXL > > hey all, > > Quick question for you, hope you can help me. > > Im working on installing the DFCs in existing 67xx cards in our 7600s: > > 7606 w/SUP720-3BXL > 2 x 6748-GE-TX > 1 x 6704 > > Im aware there are some differences in how the box reacts when a DFC is > installed (the PFC will no longer need to make all the decisions, > etc...). > In particular this seems to change the beahviour for qos policers as > well as > L2 etherchannels. Im using both of these, but I cant seem to find any > definite documentation on CCO explaining the exact changes and perhaps > any > recommendations. Of course I need to know how the box will behave in > order > to plan for this as part of the DFC upgrade, and so far all I found was > an > FAQ at > http://www.cisco.com/en/US/products/hw/switches/ps708/products_qanda_ite > m09186a00809a7673.shtmlwhich > doesn't give so much detail, and a few items in the archives of the > list which touched the surface but didnt dig deep. > > would appreciate if anyone can share any detailed info as to how qos and > etherchannel behaviour changes in PFC vs DFCX3BXL > > thanks, > > anton > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ > -- Thanks, anton _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
