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Netgear M4100-12G-POE+ (GSM7212P) - 12-Port Managed Gigabit Switch Manuel De L’Administrateur

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 ProSAFE M4100 Managed Switches
Port Mirroring
The port mirroring feature:
•
Allows you to monitor network traffic with an external network analyzer.
•
Forwards a copy of each incoming and outgoing packet to a specific port.
•
Is used as a diagnostic tool, debugging feature, or means of fending off attacks.
•
Assigns a specific port to copy all packets to.
•
Allows inbound or outbound packets to switch to their destination and to be copied to the 
mirrored port.
The example is shown as CLI commands and as a Web interface procedure.
CLI: Specify the Source (Mirrored) Ports and Destination 
(Probe)
(Netgear Switch)#config
(Netgear Switch)(Config)#monitor session 1 mode
Enable mirror
(Netgear Switch)(Config)#monitor session 1 source interface 1/0/2 
Specify the source interface.
(Netgear Switch)(Config)#monitor session 1 destination interface 1/0/3
Specify the destination interface.
(Netgear Switch)(Config)#exit
(Netgear Switch)#show monitor session 1
Session ID     Admin Mode    Probe Port    Mirrored Port
-------------      ---------------     -------------    ----------------
      1                      Enable              1/0/3             1/0/2        
Web Interface: Specify the Source (Mirrored) Ports and 
Destination (Probe)
1. 
Select Monitoring > Mirroring > Port Mirroring. 
A screen similar to the following displays.