Remote-Span - Cisco Catalyst 3120 Command Reference Manual

Chapter 2 Cisco Catalyst Blade Switch 3120 for HP Cisco IOS Commands

remote-span

Use the remote-span VLAN configuration command on the switch stack or on a standalone switch to
configure a VLAN as a Remote Switched Port Analyzer (RSPAN) VLAN. Use the no form of this
command to remove the RSPAN designation from the VLAN.
Syntax Description
This command has no arguments or keywords.
Defaults
No RSPAN VLANs are defined.
Command Modes
VLAN configuration (config-VLAN)
Command History Release
12.2(40)EX
Usage Guidelines
You can configure RSPAN VLANs only in config-VLAN mode (entered by using the vlan global
configuration command), not the VLAN configuration mode entered by using the vlan database
privileged EXEC command.
If VLAN Trunking Protocol (VTP) is enabled, the RSPAN feature is propagated by VTP for VLAN-IDs
that are lower than 1005. If the RSPAN VLAN ID is in the extended range, you must manually configure
intermediate switches (those in the RSPAN VLAN between the source switch and the destination
switch).
Before you configure the RSPAN remote-span command, use the vlan (global configuration) command
to create the VLAN.
The RSPAN VLAN has these characteristics:
•
•
•
When an existing VLAN is configured as an RSPAN VLAN, the VLAN is first deleted and then recreated
as an RSPAN VLAN. Any access ports are made inactive until the RSPAN feature is disabled.
OL-12248-01
remote-span
no remote-span
Modification
This command was introduced.
No MAC address learning occurs on it.
RSPAN VLAN traffic flows only on trunk ports.
Spanning Tree Protocol (STP) can run in the RSPAN VLAN, but it does not run on RSPAN
destination ports.
Cisco Catalyst Blade Switch 3120 for HP Command Reference
remote-span
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