3Com Switch 7750 Configuration Guide
690 CHAPTER 62: MIRRORING CONFIGURATION
[SW7750-GigabitEthernet2/0/4] quit
[SW7750] interface GigabitEthernet 2/0/1
[SW7750-GigabitEthernet2/0/1] mirroring-group 1 mirroring-port both
2 Configuration procedure 2:
<SW7750> system-view
[SW7750] mirroring-group 1 local
[SW7750] mirroring-group 1 monitor-port GigabitEthernet 2/0/4
[SW7750] mirroring-group 1 mirroring-port GigabitEthernet 2/0/1 both
Configuring Remote
Port Mirroring
Configuration prerequisites
■ The source switch, intermediate switch, and the destination switch have been
determined.
■ The source port, the reflector port, the destination port, and the remote-probe
VLAN have been determined.
■ Required configurations are performed to ensure Layer 2 connectivity between
the source and destination switches over the remote-probe VLAN.
■ The direction of the packets to be monitored has been determined.
■ The remote-probe VLAN is enabled.
Configuring remote port mirroring on the source switch
Table 556 Configure remote port mirroring on the source switch
Operation Command Description
Enter system view system-view -
Create a VLAN and enter its
VLAN view
vlan vlan-id vlan-id is the ID of the
destination remote-probe
VLAN.
Define the current VLAN as a
remote-probe VLAN
remote-probe vlan enable Required
Exit current view quit -
Enter port view of the relay
port that connects to the
intermediate switch or
destination switch
interface interface-type
interface-number
-
Configure the current port as
a trunk port
port link-type trunk Required
By default, the type of the
port is access.
Configure the relay port to
permit packets from the
remote-probe VLAN to pass
port trunk permit vlan
remote-probe-vlan-id
Required
This setting is required for
source switch ports that
connected with the
intermediate switch or
destination switch.
Exit current view quit -
Configure a remote source
mirroring group
mirroring-group group-id
remote-source
Required
Configure a source port for
remote mirroring
mirroring-group group-id
mirroring-port
mirroring-port-list { both |
inbound | outbound }
Required