Configuring Port Mirroring - Cisco 2100 Series Configuration Manual

Configuring Ports
Table 3-3
Parameter
Link Trap
Multicast Appliance Mode
Click Apply to commit your changes.
Step 4
Click Save Configuration to save your changes.
Step 5
Click Back to return to the Ports page and review your changes.
Step 6
Repeat this procedure for each additional port that you want to configure.
Step 7
Go to the following sections if you want to configure the controller's ports for these advanced features:
Step 8
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Configuring Port Mirroring

Mirror mode enables you to duplicate to another port all of the traffic originating from or terminating at
a single client device or access point. It is useful in diagnosing specific network problems. Mirror mode
should be enabled only on an unused port as any connections to this port become unresponsive.
The 2100 series controllers, controller network modules, and Cisco WiSM controllers do not support
Note
mirror mode. Also, a controller's service port cannot be used as a mirrored port.
Port mirroring is not supported when link aggregation (LAG) is enabled on the controller.
Note
Cisco recommends that you do not mirror traffic from one controller port to another as this setup could
Note
cause network problems.
Follow these steps to enable port mirroring.
Step 1 Click Controller > Ports to open the Ports page (see
Step 2 Click the number of the unused port for which you want to enable mirror mode. The Port > Configure
page appears (see
Step 3 Set the Mirror Mode parameter to Enable.
Step 4 Click Apply to commit your changes.
Cisco Wireless LAN Controller Configuration Guide
3-22
Port Parameters (continued)
Port mirroring, see below
Spanning Tree Protocol (STP),
Figure 3-9).
Description
Causes the port to send a trap when the port's link status changes.
Options: Enable or Disable
Default: Enable
Enables or disables the multicast appliance service for this port.
Options: Enable or Disable
Default: Enable
page 3-23
Figure
Chapter 3 Configuring Ports and Interfaces
3-8).
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