Reference Guide

1142 | Port Monitoring
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Important Points to Remember
• On the E-Series, Port Monitoring is supported on TeraScale and ExaScale platforms.
• Port Monitoring is supported on physical ports only. Logical interfaces, such as Port Channels and
VLANs, are not supported.
• FTOS supports as many monitor sessions on a system as the number of port-pipes.
• A SONET port can only be configured as a monitored port.
• The monitoring (destination, “MG”) and monitored (source, “MD”) ports must be on the same
switch.
• A monitoring port can monitor any physical port in the chassis.
• Only one MG and one MD may be in a single port-pipe.
• A monitoring port can monitor more than one port.
• More than one monitored port can have the same destination monitoring port.
• FTOS on the S-Series supports multiple source ports to be monitored by a single destination port
in one monitor session.
• On the S-Series, one monitor session can have only one MG port. There is no restriction on the
number of source ports, or destination ports on the chassis.
• Remote Port Mirroring is supported only on the E-Series ExaScale platform.
description
c e s
Enter a description of this monitoring session
Syntax
description {description}
To remove the description, use the no description {description} command.
Parameters
Defaults
No default behavior or values
Command Modes
MONITOR SESSION (conf-mon-sess-session-ID)
Command
History
Related
Commands
Note: The monitoring port should not be a part of any other configuration.
description
Enter a description regarding this session(80 characters maximum).
Version 8.1.1.0 Introduced on E-Series ExaScale
Version 7.7.1.0 Introduced on S-Series
Version 7.5.1.0 Introduced on C-Series
pre-7.7.1.0 Introduced on E-Series
monitor session Enable a monitoring session.