Configuring Traffic Mirroring - 3Com 4500 Configuration Manual

To do...
Enter system view
Enter Ethernet port view
Configure WRED
Configuration example
Configure WRED for queue 2 of Ethernet 1/0/1 to drop the packets in queue 2 randomly when the
number of packets in queue 2 exceeds 64, setting the dropping probability being 20%.
Configuration procedure:
<Sysname> system-view
[Sysname] interface Ethernet1/0/1
[Sysname-Ethernet1/0/1] wred 2 64 20

Configuring Traffic Mirroring

Refer to section
Configuration prerequisites
The ACL rules for traffic classification have been defined. Refer to the ACL module of this manual
for information about defining ACL rules.
The source mirroring ports and mirroring direction have been determined.
The destination mirroring port has been determined.
Configuration procedure
Follow these steps to configure traffic mirroring:
Enter system view
Enter Ethernet port view
Configure the current port as a source
mirroring port
Quit to system view
Configure the specified
port as the destination
mirroring port
system-view
interface interface-type
interface-number
wred queue-index qstart
probability
Traffic mirroring for information about traffic mirroring.
To do...
In system view
In Ethernet
port view
Use the command...
Use the command...
system-view
interface interface-type
interface-number
mirrored-to { inbound |
outbound } acl-rule
{ monitor-interface | cpu }
quit
mirroring-group group-id
monitor-port monitor-port-id
interface interface-type
interface-number
monitor-port
1-22
Remarks
—
—
Required
By default, WRED is not
configured.
Remarks
—
—
Required
Omit the following
steps if you redirect
traffic to the CPU.
Proceed to the
following steps if you
redirect traffic to a port.
—
Required
Use either approach.