Setting Port Mirroring; Configuring Traffic Mirroring - 3Com Switch 4500 26-Port Configuration Manual

Setting Port Mirroring

Configuring Traffic
Mirroring
Port mirroring means duplicating data on the monitored port to the designated
mirror port, for purpose of data analysis and supervision.
The Switch supports one monitor port and multiple mirroring ports. If several
Switches form a Fabric, multiple mirroring ports and only one monitor port and
one mirroring port can be configured in the Fabric.
Configure Port Mirroring
1 Configure monitor port
Perform the following configuration in the Ethernet Port View.
Table 136 Configure Monitor Port
Operation
Configure a monitor port
Only one monitor port can be configured on one Switch. If a group of Switches
form a fabric, only one monitor port can be configured on one fabric.
2 Configure the mirroring port.
Perform the following configuration in the Ethernet Port View.
Table 137 Configure Mirroring Port
Operation
Configure mirroring port
Delete Port Mirroring
1 Delete mirroring port
Perform the following configuration in the Ethernet Port View.
Table 138 Delete Mirroring Port
Operation
Delete a mirroring port
2 Delete monitor port.
Perform the following configuration in the Ethernet Port View.
Table 139 Delete Monitor Port
Operation
Delete monitor port
The function of traffic mirroring is to copy the traffic matching an ACL rule to the
designated observing port to analyze and monitor the packets.
Configure Traffic Mirroring
1 Configure monitor port
Perform the following configuration in the Ethernet Port View.
Table 140 Configure Monitor Port
Operation
Configure a monitor port.
Command
monitor-port
Command
mirroring-port { inbound | outbound | both }
Command
undo mirroring-port { inbound | outbound | both }
Command
undo monitor
Command
monitor-port
QoS Configuration 139