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HAPTER
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| Port Mirroring Commands
RSPAN Mirroring Commands
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COMMAND USAGE
â—† 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).
â—† 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.
â—† 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. Nor can GVRP
dynamically add port members to an RSPAN VLAN. 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: 1-2)
Only two mirror sessions are allowed, including both local and
remote mirroring. If local mirroring is enabled with the port monitor
command, then there is only one session available for RSPAN.
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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