Figure 106 confi – Brocade 6910 Ethernet Access Switch Configuration Guide (Supporting R2.2.0.0) User Manual

Page 832

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Brocade 6910 Ethernet Access Switch Configuration Guide

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35

Configuring VLAN Mirroring

When VLAN mirroring and port mirroring are both enabled, the target port can receive a
mirrored packet twice; once from the source mirror port and again from the source mirrored
VLAN.

The target port receives traffic from all monitored source VLANs and can become congested.
Some mirror traffic may therefore be dropped from the target port.

When mirroring VLAN traffic or packets based on a source MAC address (see

“Configuring MAC

Address Mirroring”

on page 783), the target port cannot be set to the same target ports as that

used for port mirroring (see

“Configuring Local Port Mirroring”

on page 705).

When traffic matches the rules for both port mirroring, and for mirroring of VLAN traffic or
packets based on a MAC address, the matching packets will not be sent to target port
specified for port mirroring.

Parameters
These parameters are displayed:

Source VLAN – A VLAN whose traffic will be monitored. (Range: 1-4093)

Target Port – The destination port that receives the mirrored traffic from the source VLAN.
(Range: 1-12)

Interface
To configure VLAN mirroring:

1. Click VLAN, Mirror.

2. Select Add from the Action list.

3. Select the source VLAN, and select a target port.

4. Click Apply.

FIGURE 106

Configuring VLAN Mirroring

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