Chapter 14
| Port Mirroring Commands
RSPAN Mirroring Commands
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has been configured, MAC address learning will still not be re-started on the
RSPAN uplink ports.
◆ IEEE 802.1X – RSPAN and 802.1X are mutually exclusive functions. When 802.1X
is enabled globally, RSPAN uplink ports cannot be configured, even though
RSPAN source and destination ports can still be configured. When RSPAN uplink
ports are enabled on the switch, 802.1X cannot be enabled globally.
RSPAN uplink ports cannot be configured to use IEEE 802.1X Port
Authentication, but RSPAN source ports and destination ports can be
configured to use it
◆ Port Security – If port security is enabled on any port, that port cannot be set as
an RSPAN uplink port, even though it can still be configured as an RSPAN source
or destination port. Also, when a port is configured as an RSPAN uplink port,
port security cannot be enabled on that port.
rspan source Use this command to specify the source port and traffic type to be mirrored
remotely. Use the no form to disable RSPAN on the specified port, or with a traffic
type keyword to disable mirroring for the specified type.
Syntax
[no] rspan session session-id source interface interface-list [rx | tx | both]
session-id – A number identifying this RSPAN session. (Range: 1)
interface-list – One or more source ports. Use a hyphen to indicate a
consecutive list of ports or a comma between non-consecutive ports.
ethernet unit/port-list
unit - Unit identifier. (Range: 1)
port-list - One or more source ports. Use a hyphen to indicate a
consecutive list of ports or a comma between non-consecutive
ports. (Range: 1-28)
rx - Mirror received packets.
tx - Mirror transmitted packets.
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.
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