switchport block question

From: san (san.study@gmail.com)
Date: Fri Dec 09 2005 - 03:47:16 GMT-3


Could not understand, what does "switchport block unicast" does ?
How to test/verify this behaviour ?

Router3(F0/0)---------F0/3-Switch-F0/5--------F0/0Router5

Question:
If enabled on F0/3, Does it block unicast traffic from R3 to R5 or
R5 to R3 ?

I tried pinging from R3 & its successful.

http://www.cisco.com/univercd/cc/td/doc/product/lan/cat4000/12_2_25a/conf/uniflood.htm

Thanks
SAN



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