Specifications

monitor session
637
[AX1240S]
Specifies a mirror port for port mirroring. A port for which Layer 2 information has
been set cannot be specified.
1. Default value when this parameter is omitted:
This parameter cannot be omitted.
2. Range of values:
See Specifiable values for parameters.
Default behavior
None
Impact on communication
If a line in use is set as the mirror port, communication is no longer possible on the line. If a
line is set as the monitor port, communication is not affected.
When the change is applied
The change is applied immediately after setting values are changed.
Notes
1. Only one combination of monitor port and mirror port can be set at the same time.
2. A port that has already been set as a monitor port cannot be set as a mirror port.
3. One mirror port can be set for multiple monitor ports. You cannot specify multiple
mirror ports for one monitor port.
4. If the number of frames copied by port mirroring exceeds the line bandwidth, the
frames are discarded.
5. Regular frames cannot be sent or received on a port that has been set as a mirror
port.
6. A port for which Layer 2 information has been set cannot be set as a mirror port. If
you use a port for which Layer 2 information has already been set as a mirror port,
delete the Layer 2 information of the applicable interface before setting the port as a
mirror port.
Related commands
None