B-64
Monitoring and Analyzing Switch Operation
Traffic Mirroring
Displaying a Mirroring Session Configuration on a Source
Switch
Syntax:
show monitor < 1 - 4 | name <
name-str
>
Use this command to display detailed configuration information
on the specified local or remote mirroring session on a source
switch.
Session:
Displays the numeric ID of the selected session.
Session Name:
Displays the alphanumeric name of the session,
if configured.
ACL:
Indicates whether the source is using an ACL to select
traffic for mirroring.
Mirroring Destination:
For a local mirroring session, indicates
the port configured as the exit port on the source switch. For a
remote mirroring session, shows
IPv4
, which indicates
mirroring to a remote (exit) switch.
UDP Source Addr:
The IP address configured for the source VLAN
or subnet on which the traffic source exists. (For a given
mirroring session, this value should be the same on the source
and destination switches.)
UDP port:
The unique UDP port number identifying a given
mirroring session. (For a given mirroring session, this value
should be the same on the source and destination switches.)
UDP Dest Addr:
The IP address configured as the destination
VLAN or subnet on which the exit port exists. (For a given
mirroring session, this value should be the same on the source
and destination switches.)
Status:
For a remote monitoring session, displays current
session activity:
active:
The session is configured and is mirroring traffic.
A remote path has been discovered to the destination.
inactive:
The session is configured, but is not currently
mirroring traffic. A remote path has not been discovered to
the destination.
not defined:
Mirroring is not configured for this session.
Monitoring Sources:
For the specified local or remote session,
displays the source (port, trunk, or VLAN) interface and the
MAC address (if configured) used to select mirrored traffic.
3500-5400-6200-8200-MCG-Jan08-K_13_01.book Page 64 Monday, January 28, 2008 10:04 AM