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Monitoring and Analyzing Switch Operation
Traffic Mirroring
Context: Class configuration
Syntax: [no] [seq-number ] < match | ignore > < ip-protocol >
< source-address > < destination-address > [ ip-dscp codepoint ]
[ precedence precedence-value ] [ tos tos-value ] [ vlan vlan-id ]
For detailed information about how to enter match and ignore commands
to configure a traffic class, refer to the “Creating a Traffic Class” section
in the “Classifier-Based Software Configuration” in the Advanced Traffic
Management Guide.
3. Create a mirroring policy to configure the session and destination device
to which specified classes of inbound traffic are sent by entering the policy
mirror command from the global configuration context.
Context: Global configuration
Syntax: [no] policy mirror <policy-name >
Defines the name of a mirroring policy and enters the policy
configuration context.
A traffic policy consists of one or more classes, and one or more mirroring
actions configured for each class of traffic. The configured actions are
executed on packets that match a match statement in a class. No policy
action is performed on packets that match an ignore statement.
Note Be sure to enter each class and its associated mirroring actions in the
precise order in which you want packets to be checked and processed.
To configure the mirroring actions that you want to execute on packets
that match the criteria in a specified class, enter one or more class action
mirror commands from the policy configuration context:
Context: Policy configuration
Syntax: [no] [seq-number] class < ipv4 | ipv6 > <classname >
action mirror <session >
Defines the mirroring action to be applied on a pre-
configured IPv4 or IPv6 traffic class when a packet
matches the match criteria in the traffic class. 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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