Cisco IE-4000 Software Configuration Manual page 479

Configuring SPAN and RSPAN
How to Configure SPAN and RSPAN
Command
3. monitor session session_number source
{interface interface-id | vlan vlan-id} [, | -]
[both | rx | tx]
Purpose
Specifies the SPAN session and the source port (monitored port).
session_number—The range is 1 to 68.
interface-id—Specifies the source port or source VLAN to monitor.

source interface-id—Specifies 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 10.

vlan-id—Specifies the source VLAN to monitor. The range is 1 to
4096 (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—Monitors both received and sent traffic. This is the default.

rx—Monitors received traffic.

tx—Monitors sent traffic.
Note: You can use the monitor session session_number source
command multiple times to configure multiple source ports.
475