Chapter 14
| Port Mirroring Commands
RSPAN Mirroring Commands
– 410 –
Command Usage
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Only 802.1Q trunk or hybrid (i.e., general use) ports can be configured as an
RSPAN uplink port – access ports are not allowed (see switchport mode).
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Only one uplink port can be configured on a source switch, but there is no
limitation on the number of uplink ports configured on an intermediate or
destination switch.
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Only destination and uplink ports will be assigned by the switch as members of
this VLAN. Ports cannot be manually assigned to an RSPAN VLAN with the
switchport allowed vlan command. Also, note that the show vlan command
will not display any members for an RSPAN VLAN, but will only show configured
RSPAN VLAN identifiers.
Example
The following example enables RSPAN on VLAN 2, specifies this device as an RSPAN
destination switch, and the uplink interface as port 3:
Console(config)#rspan session 1 remote vlan 2 destination uplink ethernet 1/3
Console(config)#
no rspan session
Use this command to delete a configured RSPAN session.
Syntax
no
rspan session
session-id
session-id – A number identifying this RSPAN session. (Range: 1-3)
Three sessions are allowed, including both local and remote mirroring,
using different VLANs for RSPAN sessions.
Command Mode
Global Configuration
Command Usage
The
no rspan session
command must be used to disable an RSPAN VLAN before it
can be deleted from the VLAN database (see the vlan
command).
Example
Console(config)#no rspan session 1
Console(config)#
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