3com S7906E Manuel De Montage

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A mirroring group can contain multiple mirroring ports. 
To ensure that the port mirroring function works properly, do not assign a mirroring port to the 
remote probe VLAN. 
 
Configuring the egress port for the remote source mirroring group 
You can configure the egress port for a mirroring group in system view, or assign the current port to it as 
the egress port in interface view. The two configuration modes lead to the same result.  
Configuring the egress port in system view 
Follow these steps to configure the egress port for the remote source mirroring group in system view: 
To do… 
Use the command… 
Remarks 
Enter system view 
system-view 
— 
Configure the egress port for 
the remote source mirroring 
group 
mirroring-group group-id 
monitor-egress 
monitor-egress-port 
Required 
By default, no egress port is 
configured for a mirroring 
group. 
 
Configuring the egress port in interface view 
Follow these steps to configure the egress port for the remote source mirroring group in interface view: 
To do… 
Use the command… 
Remarks 
Enter system view 
system-view 
— 
Enter interface view 
interface interface-type 
interface-number
 
— 
Configure the current port as 
the egress port 
mirroring-group group-id 
monitor-egress 
Required 
By default, a port does not 
serve as the egress port for any 
mirroring group.  
 
 
A mirroring group contains only one egress port. 
A mirroring port of an existing mirroring group cannot be configured as an egress port. 
To ensure that the port mirroring function works properly, disable these functions on the egress 
port: STP, MSTP, RSTP, 802.1X, IGMP Snooping, static ARP, and MAC address learning. 
 
Configuring the remote probe VLAN for the remote source mirroring group 
Follow these steps to configure the remote probe VLAN for the remote source mirroring group: