Chapter 13
| Port Mirroring Commands
RSPAN Mirroring Commands
– 390 –
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: 1-3)
Three sessions are allowed, including both local and remote
mirroring, using different VLANs for RSPAN sessions.
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
unit
- Unit identifier. (Range: Always 1)
port
- Port number. (Range: 1-52)
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
◆
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.
◆
Only 802.1Q trunk or hybrid (i.e., general use) ports can be configured as
an RSPAN source port – access ports are not allowed (see
).
◆
The source port and destination port cannot be configured on the same
switch.