Configuring local port mirroring, Figure 32, Figure 33 – Brocade Communications Systems Brocate Ethernet Access Switch 6910 User Manual

Page 729: Confi, Local port mirroring

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Brocade 6910 Ethernet Access Switch Configuration Guide

679

53-1002581-01

Port Configuration

33

Interface

To display port connection parameters:

1. Click Interface, Port, General.

2. Select Show Information from the Action List.

FIGURE 32

Displaying Port Information

Configuring Local Port Mirroring

Use the Interface > Port > Mirror page to mirror traffic from any source port to a target port for
real-time analysis. You can then attach a logic analyzer or RMON probe to the target port and study
the traffic crossing the source port in a completely unobtrusive manner.

FIGURE 33

Configuring Local Port Mirroring

CLI References

“Local Port Mirroring Commands” on page 301

Command Usage

Traffic can be mirrored from one or more source ports to a destination port on the same switch
(local port mirroring as described in this section), or from one or more source ports on remote
switches to a destination port on this switch (remote port mirroring as described in

“Configuring Remote Port Mirroring” on page 681

).

Monitor port speed should match or exceed source port speed, otherwise traffic may be
dropped from the monitor port.

Note that Spanning Tree BPDU packets are not mirrored to the target port.

When mirroring VLAN traffic (see

“Configuring VLAN Mirroring” on page 746

) or packets based

on a source MAC address (see

“Configuring MAC Address Mirroring” on page 756

), the target

port cannot be set to the same target ports as that used for port mirroring by this command.

Single target port

Source port(s)

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