User Manual

Example of Viewing Port Monitoring Configuration
To display information on currently configured port-monitoring sessions, use the show monitor
session command from EXEC Privilege mode.
Dell(conf)# monitor session 0
Dell(conf-mon-sess-0)# source tengig 0/1 dest tengig 0/8 direction rx
Dell(conf-mon-sess-0)#exit
Dell(conf)# do show monitor session 0
SessionID Source Destination Direction Mode Type
--------- ------ ----------- --------- ---- ----
0 TenGig 0/1 TenGig 0/8 rx interface Port-based
Dell(conf)#
In the following example, the host and server are exchanging traffic which passes through the uplink
interface 0/1. Port 0/1 is the monitored port and port 0/8 is the destination port, which is configured to
only monitor traffic received on tengigabitethernet 0/1 (host-originated traffic).
Figure 26. Port Monitoring Example
Important Points to Remember
• Port monitoring is supported on physical ports only; virtual local area network (VLAN) and port-
channel interfaces do not support port monitoring.
• The monitored (the source, [MD]) and monitoring ports (the destination, [MG]) must be on the same
switch.
• The monitored (source) interface must be a server-facing interface in the format slot/port, where the
valid slot numbers are 0 and server-facing port numbers are from 1 to 8.
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Port Monitoring