C H A P T E R 3 Standard Configuration

Port Mirroring

Purpose

Provides a facility to debug or monitor traffic on a specific port, by

 

duplicating the traffic and sending it to a specified port. Only one pair

 

of ports can be mirrored per switch. Within Port Mirroring, you can:

 

•

Add a new entry to the list

 

•

Delete an entry

 

•

Edit existing entries

Important

When a switch has Port Mirroring enabled, the switch cannot collect

 

RMON data from the RMON groups 4 to 8.

Adding Port Mirroring

To add a mirrored port to a switch:

 

Note If Port Mirroring is enabled, the source port will be in store-

 

 

and-forward mode. Therefore, Runts, CRCs, etc. will not be

 

 

forwarded or mirrored.

 

1

Select Device Setup or Stack Setup.

 

2

Click Port Mirroring.

3Click Add.

4For a stack, click Switch and select one.

5Click Reflect from and select the port that you want.

6Click Reflect to and select the port to where the traffic can be debugged/monitored.

7Click OK.

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Intel 550T Port Mirroring, Rmon data from the Rmon groups 4 to, To add a mirrored port to a switch, Forwarded or mirrored
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