Dell POWEREDGE M1000E User Manual

Page 692

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30-22

Cisco Catalyst Blade Switch 3130 and 3032 for Dell Software Configuration Guide

OL-13270-03

Chapter 30 Configuring SPAN and RSPAN

Configuring SPAN and RSPAN

To delete a SPAN session, use the no monitor session session_number global configuration command.
To remove a destination port from the SPAN session, use the no monitor session session_number
destination interface interface-id global configuration command. To remove the RSPAN VLAN from
the session, use the no monitor session session_number source remote vlan vlan-id.

This example shows how to configure VLAN 901 as the source remote VLAN and port 1 as the
destination interface:

Switch(config)# monitor session 1 source remote vlan 901

Switch(config)# monitor session 1 destination interface gigabitethernet2/0/1

Switch(config)# end

Creating an RSPAN Destination Session and Configuring Incoming Traffic

Beginning in privileged EXEC mode, follow these steps to create an RSPAN destination session, to
specify the source RSPAN VLAN and the destination port, and to enable incoming traffic on the
destination port for a network security device (such as a Cisco IDS Sensor Appliance).

For details about the keywords not related to incoming traffic, see the

“Creating an RSPAN Destination

Session” section on page 30-21

. This procedure assumes that the RSPAN VLAN has already

been configured.

Step 6

monitor session session_number source
remote vlan vlan-id

Specify the RSPAN session and the source RSPAN VLAN.

For session_number, the range is 1 to 66.

For vlan-id, specify the source RSPAN VLAN to monitor.

Step 7

monitor session session_number
destination interface interface-id

Specify the RSPAN session and the destination interface.

For session_number, enter the number defined in Step 6.

In an RSPAN destination session, you must use the same session
number for the source RSPAN VLAN and the destination port.

For interface-id, specify the destination interface. The destination
interface must be a physical interface.

Though visible in the command-line help string, encapsulation
replicate
is not supported for RSPAN. The original VLAN ID is
overwritten by the RSPAN VLAN ID, and all packets appear on the
destination port as untagged.

Step 8

end

Return to privileged EXEC mode.

Step 9

show monitor [session session_number]

show running-config

Verify the configuration.

Step 10

copy running-config startup-config

(Optional) Save the configuration in the configuration file.

Command

Purpose

Command

Purpose

Step 1

configure terminal

Enter global configuration mode.

Step 2

no monitor session {session_number | all |
local | remote}

Remove any existing SPAN configuration for the session.

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