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cisco 3560

i have a cisco 3560 switch that has voip vlan. i am trying to modify this statement:
 monitor session 1 source vlan 4
I need to add " both "  after this command
i did config t
 monitor session 1 source vlan 4 both....does not work.
help
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jeffsteffy
Asked:
jeffsteffy
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1 Solution
 
PugglewuggleCommented:
Here is a Cisco document talking about setting up SPAN on a 3560. I hope this helps!
http://www.cisco.com/en/US/products/hw/switches/ps708/products_tech_note09186a008015c612.shtml#topic5 
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PugglewuggleCommented:
Here's is one specifically for the 3560:
http://www.cisco.com/en/US/docs/switches/lan/catalyst3560/software/release/12.1_19_ea1/configuration/guide/swspan.html#wp1036829
Your command should work. Try doing a "no" command to clear your current monitor session and make new one. Please note that you CANNOT have more than 2 active SPANs on a switch.
Here is the answer to your question - in the 3560 the "both" keyword is not required. If not otherwise specified, the SPAN session will monitor both by default.
So, your command to use would be:
monitor session 1 source vlan 4
Cheers! I hope that answers your questions!
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