According to CCIE LAN Switching pag. 479 "The flow mask is used to set
the granularity with which the NFFC determines what constitutes a flow"
and it (the NFFC) creates shortcuts for each flow. Of course, the MAC
address will be the same for any given address no matter what the source
address or port number, but if you are using access lists on the router,
you wouldn't want your switch to bypass them, so you set a smaller
granularity so that each flow corresponds to a flow that has passed your
access list. This way the switch won't "route" the wrong packets. Hope
this helps.
By the way, thank you for the link.
Francisco Muniz.
**NOTE: New CCNA/CCDA List has been formed. For more information go to
http://www.groupstudy.com/list/Associates.html
_________________________________
UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html
FAQ, list archives, and subscription info: http://www.groupstudy.com
Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
