B-61
Monitoring and Analyzing Switch Operation
Traffic Mirroring
■
A mirroring session in which you configure MAC-based mirroring is not
supported on a port, trunk, mesh or VLAN interface on which a mirroring
session with ACL-based mirroring is configured.
Displaying the Mirroring Configuration
Displaying the Mirroring Configuration Summary
Use the
show monitor
command to display summary information on the current
source and destination mirroring configured on the switch
.
Syntax:
show monitor
If a remote mirroring source is configured on the switch, then the
following fields appear. Otherwise, the output displays this
message:
Mirroring is currently disabled
.
Sessions:
Lists the four configurable sessions on the switch.
Status:
Displays the current status of each session:
active:
The session is configured.
inactive:
The session is partially configured. Only the
destination has been configured; the mirroring source is
not configured.
not defined:
Mirroring is not configured for this session.
Type:
Indicates whether the mirroring session is local (
port
),
remote (
IPv4
), or MAC-based (
mac
) for local or remote sessions.
Sources:
Indicates how many mirroring sources are using each
mirroring session.
ACL:
Indicates whether the source is using an ACL to select
traffic for mirroring.
If a remote mirroring endpoint is configured on the switch, then
the following fields appear. Otherwise, the output displays the
following:
There are no Remote Mirroring endpoints currently assigned
.
Type:
Indicates whether the mirroring session is local (
port
),
remote (
IPv4
), or MAC-based (
mac
) for local or remote sessions.
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.)
—Continued—
3500-5400-6200-8200-MCG-Jan08-K_13_01.book Page 61 Monday, January 28, 2008 10:04 AM