we have been having this debate internally. Take a 65xx box, throw in a switch fabric module ( increase the back plane to 256 gig ) throw in a few fabric enabled cards. life is good.
but later, you have need for a non fabric enabled card - say a flexwan module or an IDS blade. if I understand things correctly, doing so means that none of the line cards can use the SFM, and that effectively the box is crippled, limited to the 32 gig native backplane. http://www.cisco.com/warp/public/cc/pd/si/casi/ca6000/tech/hafc6_wp.htm reading this document, it really is not clear what exactly happens. It notes that with a mix of fabric and non-fabric cards, throughput is reduced from 30 mpps to 15 mpps. I think it says that the sup module will no longer use the SFM. what I am looking for is something definitive. if I buy a 6509, and my requirement includes a non fabric enabled card, then there is no point to buying the SFM? I ask, because different Cisco sources keep telling me different things. Pre sales tells me true - and the AM/SE team tells me false - that the SFM is always used by the fabric enabled cards. Parenthetically, it's stuff like this that makes Extreme and Foundry look a lot better. Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=37657&t=37657 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
