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Diagnosing Switch Problems Port Mirroring

OmniSwitch 6800/6850/9000 Network Configuration Guide June 2006 page 29-19

Note. Note that the port mirroring session identifier and slot/port locations of the designated interfaces

must always be specified.

Configuring Port Mirroring Direction

By default, port mirroring sessions are bidirectional. To configure the direction of a port mirroring session

between a mirrored port and a mirroring port, use the port mirroring source destination CLI command

by entering port mirroring, followed by the port mirroring session ID number, the source and destination

slot/ports, and bidirectional, inport, or outport.

Note. Optionally, you can also specify the optional unblocked VLAN ID number and either enable or

disable on the same command line.

In this example, the command specifies port mirroring session 6, with the mirrored (active) port located in

slot 2/port 3 and the mirroring port located in slot 6/port 4. The mirroring direction is unidirectional and

inward bound:

-> port mirroring 6 source 2/3 destination 6/4 inport

In this example, the command specifies port mirroring session 6, with the mirrored (active) port located in

slot 2/port 3, and the mirroring port located in slot 6/port 4. The mirroring direction is unidirectional and

outward bound:

-> port mirroring 6 source 2/3 destination 6/4 outport

You can use the bidirectional keyword to restore a mirroring session to its default bidirectional configura-

tion. For example:

-> port mirroring 6 source 2/3 destination 6/4 bidirectional

Note. Note that the port mirroring session identifier and slot/port locations of the designated interfaces

must always be specified.

Enabling or Disabling a Port Mirroring Session (Shorthand)

Once a port mirroring session configuration has been created, this command is useful for enabling or

disabling it (turning port mirroring on or off) without having to re-enter the source and destination ports

and unblocked VLAN ID command line parameters.

To enable a port mirroring session, enter the port mirroring command, followed by the port mirroring

session ID number and the keyword enable. The following command enables port mirroring session 6

(turning port mirroring on):

-> port mirroring 6 enable

Note. Port mirroring session parameters cannot be modified when a mirroring session is enabled. Before

you can modify parameters, the mirroring session must be disabled.

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