ECS4100 Series CLI Reference Guide-R07

Chapter 14 | Port Mirroring Commands
RSPAN Mirroring Commands
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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: 1-3)
Three sessions are allowed, including both local and remote mirroring,
using different VLANs for RSPAN sessions.
interface
ethernet unit/port
unit - Unit identifier. (Range: 1)
port - Port number. (Range: 1-12/26/28/52)
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.
Command Mode
Global Configuration
Command Usage
◆ Only one destination port can be configured on the same switch per session,
but a destination port can be configured on more than one switch for the same
session.
◆ Only 802.1Q trunk or hybrid (i.e., general use) ports can be configured as an
RSPAN destination port – access ports are not allowed (see switchport mode).
◆ Only ports can be configured as an RSPAN destination – static and dynamic
trunks are not allowed.
◆ The source port and destination port cannot be configured on the same switch.
◆ A destination port can still send and receive switched traffic, and participate in
any Layer 2 protocols to which it has been assigned.
Example
The following example configures port 4 to receive mirrored RSPAN traffic:
Console(config)#rspan session 1 destination interface ethernet 1/2
Console(config)#