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23-11
Catalyst 2960 Switch Software Configuration Guide
78-16881-01
Chapter 23 Configuring SPAN and RSPAN
Configuring SPAN and RSPAN
Step 3
monitor session session_number source
{interface interface-id | vlan vlan-id} [, | -]
[both | rx | tx]
Specify the SPAN session and the source port (monitored port).
For session_number, the range is 1 to 66.
For interface-id, specify the source port or source VLAN to monitor.
• For source interface-id, specify the source port to monitor. Valid
interfaces include physical interfaces and port-channel logical
interfaces (port-channel port-channel-number). Valid
port-channel numbers are 1 to 6.
• For vlan-id, specify the source VLAN to monitor. The range is 1
to 4094 (excluding the RSPAN VLAN).
Note A single session can include multiple sources (ports or
VLANs), defined in a series of commands, but you cannot
combine source ports and source VLANs in one session.
(Optional) [, | -] Specify a series or range of interfaces. Enter a space
before and after the comma; enter a space before and after the
hyphen.
(Optional) Specify the direction of traffic to monitor. If you do not
specify a traffic direction, the SPAN monitors both sent and received
traffic.
• both—Monitor both received and sent traffic. This is the
default.
• rx—Monitor received traffic.
• tx—Monitor sent traffic.
Note You can use the monitor session session_number source
command multiple times to configure multiple source ports.
Command Purpose