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Configuring the Switch
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3
You can mirror traffic matching a specified source address from any port on the
switch, except for the target 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.
Command Usage
• When mirroring traffic from a MAC address, ingress traffic with the specified source
address entering any port in the switch, other than the target port, will be mirrored
to the destination port.
• All mirror sessions must share the same destination port.
• Spanning Tree BPDU packets are not mirrored to the target port.
• When mirroring port traffic, the target port must be included in the same VLAN as
the source port when using MSTP (see Spanning Tree Algorithm Configuration on
page 3-192).
Command Attributes
•
Mirror Sessions
– Displays a list of current mirror sessions.
•
Source MAC Address
– MAC address in the form of xx-xx-xx-xx-xx-xx or
xxxxxxxxxxxx.
•
Destination Port
– The port that will mirror the traffic from the source port.
(Range: 1-28/52)
Web
– Click Port, MAC Mirror Configuration. Specify the source MAC address and
destination port. Then click Add.
Figure 3-105 MAC Address Mirror Configuration
CLI
– Use the interface command to select the monitor port, then use the port
monitor command to specify the source MAC address to be mirrored.
Console(config)#interface ethernet 1/1
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Console(config-if)#port monitor mac-address 11-22-33-44-55-66
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Console(config-if)#port monitor mac-address 11-22-33-44-55-77
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Console(config-if)#
Summary of Contents for 6152PL2 FICHE
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Page 32: ...Tables xxxii ...
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Page 378: ...Configuring the Switch 3 322 3 ...
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