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

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 | vlan vlan-id} [, | -] [both | rx | tx]
5. monitor session session_number destination {interface interface-id [, | -] [encapsulation replicate]
[ingress {dot1q vlan vlan-id | untagged vlan vlan-id | vlan vlan-id}]}
6. end
7. show running-config
8. copy running-config startup-config
DETAILED STEPS
Command or Action
Step 1
enable
Example:
Switch> enable
Step 2 configure terminal
Example:
Switch# configure terminal
Step 3 no monitor session {session_number | all | local
| remote}
Example:
Switch(config)# no monitor session all
Step 4
monitor session session_number source
{interface interface-id | vlan vlan-id} [, | -] [both
| rx | tx]
Example:
Switch(config)# monitor session 2 source
gigabitethernet1/0/1 rx
Step 5 monitor session session_number destination
{interface interface-id [, | -] [encapsulation
replicate] [ingress {dot1q vlan vlan-id |
untagged vlan vlan-id | vlan vlan-id}]}
Purpose
Enables privileged EXEC mode. Enter your password if prompted.
Enters the global configuration mode.
Removes any existing SPAN configuration for the session.
Specifies the SPAN session and the source port (monitored port).
Specifies the SPAN session, the destination port, the packet
encapsulation, and the ingress VLAN and encapsulation.

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

• For session_number, the range is 1 to 66.
• all—Removes all SPAN sessions.
• local—Removes all local sessions.
• remote—Removes all remote SPAN sessions.
• For session_number, specify the session number entered in Step
4.
How to Configure SPAN and RSPAN
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