3Com 5500-EI PWR Reference Manual page 820

Description
Use the mirroring-group remote-probe vlan command to specify the remote-probe VLAN
for a remote source/destination mirroring group.
Use the undo mirroring-group remote-probe vlan command to remove the configuration
of remote-probe VLAN for a remote source/destination mirroring group.
Note that, before configuring a VLAN as the remote-probe VLAN for a remote
source/destination mirroring group, you need to use the remote-probe vlan enable
command to configure the VLAN as a remote-probe VLAN first.
Related commands: display mirroring-group, remote-probe vlan enable.
Examples
# Configure VLAN 100 as the remote-probe VLAN of remote source mirroring group 1.
<Sysname> system-view
System View: return to User View with Ctrl+Z.
[Sysname] vlan 100
[Sysname-vlan100] remote-probe vlan enable
[Sysname-vlan100] quit
[Sysname] mirroring-group 1 remote-source
[Sysname] mirroring-group 1 remote-probe vlan 100
mirroring-port
Syntax
mirroring-port { both | inbound | outbound }
undo mirroring-port
View
Ethernet port view
Parameters
both: Specifies to mirror all packets received on and sent from the port.
inbound: Specifies to mirror the packets received on the port.
outbound: Specifies to mirror the packets sent from the port.
Description
Use the mirroring-port command to configure the source port in Ethernet port view.
Use the undo mirroring-port command to remove the configuration of the source port in
Ethernet port view.
Note that:
You cannot configure a member port of an existing mirroring group or a fabric port as
a source port for port mirroring.
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