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Software Configuration Guide—Release 12.2(25)EW
OL-6696-01
Chapter 39 Configuring SPAN and RSPAN
Configuring RSPAN
This example shows how to configure VLAN 901 as the source remote VLAN and port 5 as the
destination interface:
Switch(config)# monitor session 1 source remote vlan 901
Switch(config)# monitor session 1 destination interface gigabitEthernet1/2
Switch(config)# end
Creating an RSPAN Destination Session and Enabling Ingress Traffic
To create an RSPAN destination session, to specify the source RSPAN VLAN, and to enable ingress
traffic on the destination port for a network security device (such as a Cisco IDS [Intrusion Detection
System] sensor appliance), perform this task:
Step 5
Switch# show monitor [session
session_number
]
Verifies your entries.
Step 6
Switch# copy running-config
startup-config
(Optional) Saves your entries in the configuration file.
Command Purpose
Command Purpose
Step 1
Switch# configure terminal
Enters global configuration mode.
Step 2
Switch(config)# monitor session
{
session_number
} source vlan
vlan_IDs
Specifies the RSPAN session and the source RSPAN VLAN.
For session_number, specifies the session number identified with this
RSPAN session (1 through 6).
For vlan_IDs, specifies the source VLAN or VLANs to monitor.
Valid VLANs are in the range from 1 to 4094.
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