Monitoring An Individual Trunk Port - Dell PowerConnect B-RX Configuration Manual

6

Monitoring an individual trunk port

BigIron RX(config)# mirror-port ethernet 1/1
BigIron RX(config)# mirror-port ethernet 2/1
BigIron RX(config)# interface ethernet 3/1
BigIron RX(config-if-e1000-3/1)# monitor ethernet 1/1 both
BigIron RX(config-if-e1000-3/1)# interface ethernet 3/2
BigIron RX(config-if-e1000-3/2)# monitor ethernet 2/1 both
The above example configures two mirror ports 1/1 and 2/1 on different modules. Port 3/1 uses
port 1/1 for inbound and outbound mirroring. Port 3/2 uses port 2/1 for inbound and outbound
mirroring. If 3/1 and 3/2 are controlled by the same packet processor, inbound traffic from 3/1 will
be mirrored to 1/1 as well as 2/1 and similarly, inbound traffic from 3/2 will be mirrored to 2/1 as
well as 1/1. The outbound traffic on 3/1 and 3/2 are mirrored according to the configuration.

Monitoring an individual trunk port

By default, when you monitor the primary port in a trunk group, aggregated traffic for all the ports in
the trunk group is copied to the mirror port. You can configure the device to monitor individual
ports in a trunk group. You can monitor the primary port or a secondary port individually.
NOTE
You can use only one mirror port for each monitored trunk port.
To monitor traffic on an individual port in a trunk group, enter commands such as the following.
BigIron RX(config)# mirror ethernet 2/1
BigIron RX(config)# trunk switch ethernet 4/1 to 4/8
BigIron RX(config-trunk-4/1-4/8)# config-trunk-ind
BigIron RX(config-trunk-4/1-4/8)# monitor ethe-port-monitored 4/5 ethernet 2/1 in
Syntax: [no] config-trunk-ind
Syntax: [no] monitor ethe-port-monitored <portnum> | named-port-monitored <portname>
The config-trunk-ind command enables configuration of individual ports in the trunk group. You
need to enter the config-trunk-ind command only once in a trunk group. After you enter the
command, all applicable port configuration commands apply to individual ports only.
NOTE
If you enter no config-trunk-ind, all port configuration commands are removed from the individual
ports and the configuration of the primary port is applied to all the ports. Also, once you enter the
no config-trunk-ind command, the enable, disable, and monitor commands are valid only on the
primary port and apply to the entire trunk group.
The monitor ethe-port-monitored command in this example enables monitoring of the inbound
traffic on port 4/5:
•
•
•
142
ethernet <slot>/<portnum> in | out | both
The ethe-port-monitored <portnum> | named-port-monitored <portname> parameter
specifies the trunk port you want to monitor. Use ethe-port-monitored <portnum> to specify a
port number. Use named-port-monitored <portname> to specify a trunk port name.
The ethernet <slot>/<portnum> parameter specifies the port to which the traffic analyzer is
attached.
The in | out | both parameter specifies the traffic direction to be monitored.
BigIron RX Series Configuration Guide
53-1001810-01