[c-nsp] Sup720 MLS rate-limiting and truncated/compact mode

[Sukumar Subburayan (sukumars)]

If the switch is either in 'bus-mode' or 'compact-mode' the below
limitation with rate-limiters should not be there.

So, if you only have fabric-enabled cards, you will be compact mode, so
you are not affected. If you have 'force bus-mode',
we will force to bus-mode, so you are not affected either.


sukumar
 

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Peter Rathlev
Sent: Monday, March 03, 2008 5:29 AM
To: cisco-nsp
Subject: [c-nsp] Sup720 MLS rate-limiting and truncated/compact mode

Hello,

Reading the documentation for 12.2SXF and MLS rate-limiters, I see the
following sentence:

"Layer 2 rate limiters are not supported in truncated mode."

http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SXF/na
tive/configuration/guide/dos.html
http://tinyurl.com/yqlylf

Not that I'd be interested in this kind of rate-limiting for anything
other than tests, but I was wondering what "in truncated mode" means
exactly. Is it _only_ in truncated mode, or is one of "pure bus mode" or
compact mode also affected? Like if I happen to have "fabric
switching-mode force bus-mode" configured, or if I only have
fabric-enabled cards?

Thanks,
Peter


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