Port Monitoring; Important Points To Remember - Dell Force10 S4810P Configuration Manual

High-density, 1ru 48-port 10gbe switch

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Port Monitoring

Port Monitoring is a feature that copies all incoming or outgoing packets on one port and forwards

(mirrors) them to another port. The source port is the monitored port (MD) and the destination port is the

monitoring port (MG). Port Monitoring functionality is dif ferent between platforms, but the behavior is the

same, with highlighted exceptions.

This chapter is divided into the following sections:

Important Points to Remember on page 787

Port Monitoring on E-Series on page 788

Port Monitoring on C-Series and S-Series on page 789

Configuring Port Monitoring on page 792

Flow-based Monitoring on page 793

On the E-Series, Port Monitoring is supported on TeraScale and ExaScale platforms.

Port Monitoring is supported on physical ports only; VLAN and port-channel interfaces do not support

port monitoring.

A SONET port may only be a monitored port.

The Monitored (source, "MD") and Monitoring ports (destination, "MG") must be on the same switch.

In general, a monitoring port should have

FTOS permits a limited set of commands for monitoring ports; display them using the command

monitoring port also may not be a member of a VLAN.

There may only be one destination port in a monitoring session.

A source port (MD) can only be monitored by one destination port (MG). The following error is

displayed if you try to assign a monitored port to more than one monitoring port.

FTOS(conf)#mon ses 1

FTOS(conf-mon-sess-1)#$gig 0/0 destination gig 0/60 direction both

FTOS(conf-mon-sess-1)#do show mon ses

FTOS(conf-mon-sess-1)#mon ses 2

FTOS(conf-mon-sess-2)#source gig 0/0 destination gig 0/61 direction both

% Error: MD port is already being monitored.

is supported on platforms:

no ip address

as the only configuration;

Port Monitoring | 787