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Monitoring and Analyzing Switch Operation
Traffic Mirroring
For more information about how to apply a mirroring policy to an interface,
refer to the “Applying a Service Policy to an Interface” section in the “Classi-
fier-Based Software Configuration” chapter in the Advanced Traffic Manage-
ment Guide.
Viewing a Classifier-Based Mirroring Configuration
To display information about a classifier-based mirroring configuration or
statistics on one or more mirroring policies, enter one of the following
commands:
■ show class < class-name >
■ show policy < mirror-policy-name >
■ show policy resources
■ show statistics policy [ mirror-policy-name ] [ interface <port-list > | vlan <vlan-
id > ] in
For examples of classifier-based show command output, see “Displaying
Information on a Classifier-Based Mirroring Session” on page B-82.
Classifier-Based Mirroring Restrictions
The following restrictions apply to mirroring policies configured with the
classifier-based model:
■ A mirroring policy is supported only on inbound IPv4 or IPv6 traffic.
■ A mirroring policy is not supported on a meshed port interface. (Classifier-
based policies are supported only on a port, VLAN, or trunk interface.)
■ Only one classifier-based mirroring policy is supported on a port or VLAN
interface. You can, however, apply a classifier-based policy of a different
type, such as QoS.
■ You can enter multiple class action mirror statements in a policy.
• You can configure only one mirroring session (destination) for each
class.
• You can configure the same mirroring session for different classes.
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