C
HAPTER
28
| Port Mirroring Commands
RSPAN Mirroring Commands
– 766 –
both - Mirror both received and transmitted packets.
DEFAULT SETTING
Both TX and RX traffic is mirrored
COMMAND MODE
Global Configuration
COMMAND USAGE
â—† One or more source ports can be assigned to the same RSPAN session,
either on the same switch or on different switches.
◆ Only ports can be configured as an RSPAN source – static and dynamic
trunks are not allowed.
â—† The source port and destination port cannot be configured on the same
switch.
EXAMPLE
The following example configures the switch to mirror received packets
from port 2 and 3:
Console(config)#rspan session 1 source interface ethernet 1/2
Console(config)#rspan session 1 source interface ethernet 1/3
Console(config)#
rspan destination Use this command to specify the destination port to monitor the mirrored
traffic. Use the no form to disable RSPAN on the specified port.
SYNTAX
rspan session session-id destination interface interface [tagged |
untagged]
no rspan session session-id destination interface interface
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.
interface - ethernet unit/port
unit - Unit identifier. (Range: 1)
port - Port number. (Range: 1-26)
tagged - Traffic exiting the destination port carries the RSPAN VLAN
tag.
untagged - Traffic exiting the destination port is untagged.
DEFAULT SETTING
Traffic exiting the destination port is untagged.
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