Cisco Catalyst 2960 Series User Manual

Specifying VLANs to Filter
Follow these steps to limit SPAN source traffic to specific VLANs.
SUMMARY STEPS
1.
enable
2.
configure terminal
3.
no monitor session {session_number | all | local | remote}
4.
monitor session session_number source interface interface-id
5.
monitor session session_number filter vlan vlan-id [, | -]
6.
monitor session session_number destination {interface interface-id [, | -] [encapsulation replicate]}
7.
end
8.
show running-config
9.
copy running-config startup-config
DETAILED STEPS
PurposeCommand or Action
Enables privileged EXEC mode. Enter your password if prompted.enable
Step 1
Example:
Switch> enable
Enters the global configuration mode.configure terminal
Example:
Switch# configure terminal
Step 2
Removes any existing SPAN configuration for the session.
no monitor session {session_number | all | local
| remote}
Step 3
•
For session_number, the range is 1 to 66.
Example:
Switch(config)# no monitor session all
• all—Removes all SPAN sessions.
• local—Removes all local sessions.
• remote—Removes all remote SPAN sessions.
Specifies the characteristics of the source port (monitored port) and
SPAN session.
monitor session session_number source
interface interface-id
Step 4
Example:
Switch(config)# monitor session 2 source
interface gigabitethernet1/0/2 rx
•
For session_number, the range is 1 to 66.
•
For interface-id, specify the source port to monitor. The interface
specified must already be configured as a trunk port.
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
489
How to Configure SPAN and RSPAN

Cisco Catalyst 2960 Series Specifications

General

Layer	Layer 2
Power over Ethernet (PoE)	Available on some models
RAM	128 MB
Flash Memory	32 MB
MAC Address Table Size	8000
Operating Temperature	0°C to 45°C (32 to 113°F)
Ports	24 or 48 x 10/100/1000