Consolidated Platform Configuration Guide, Cisco Ios Release 15.2(4)E (Catalyst 2960-X Switches - Cisco Catalyst 2960 series Configuration Manual

How to Configure SPAN and RSPAN
Command or Action
Step 5 monitor session session_number filter vlan
vlan-id [, | -]
Example:
Switch(config)# monitor session 2 filter
vlan 1 - 5 , 9
Step 6 monitor session session_number destination
{interface interface-id [, | -] [encapsulation
replicate]}
Example:
Switch(config)# monitor session 2
destination interface
gigabitethernet1/0/1
Step 7
end
Example:
Switch(config)# end
Step 8 show running-config
Example:
Switch# show running-config
Step 9 copy running-config startup-config
Example:
Switch# copy running-config
startup-config

Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)

490
Purpose
Limits the SPAN source traffic to specific VLANs.
• For session_number, enter the session number specified in Step
4.
• For vlan-id, the range is 1 to 4094.
• (Optional) Use a comma (,) to specify a series of VLANs, or use
a hyphen (-) to specify a range of VLANs. Enter a space before
and after the comma; enter a space before and after the hyphen.
Specifies the SPAN session and the destination port (monitoring port).
• For session_number, specify the session number entered in Step
4.
• For interface-id, specify the destination port. The destination
interface must be a physical port; it cannot be an EtherChannel,
and it cannot be a VLAN.
• (Optional) [, | -] Specifies a series or range of interfaces. Enter a
space before and after the comma; enter a space before and after
the hyphen.
• (Optional) encapsulation replicate specifies that the destination
interface replicates the source interface encapsulation method. If
not selected, the default is to send packets in native form
(untagged).
Returns to privileged EXEC mode.
Verifies your entries.
(Optional) Saves your entries in the configuration file.