Monitoring and Analyzing Switch Operation
Traffic Mirroring
4. Configure Mirroring Sources
This action configures a source switch with the criteria for selecting the traffic
to mirror, and assigns the configured source criteria to a previously configured
mirroring session.
Traffic Selection Options
The traffic criteria includes one option from each of the following two selec-
tion criteria:
■ interface type
• port, trunk, and/or mesh
• VLAN
■ traffic direction or IP type
• all traffic inbound, outbound, or both
• ACL-filtered IP traffic type (inbound-only)
Mirroring Source Limits
For a given mirroring session you can configure any one of the following
mirroring source options:
■ multiple ports, trunks, and/or a mesh
■ One VLAN (If a VLAN is already assigned to a mirroring session, assigning
another VLAN to the same session causes the second assignment to
overwrite the first.)
■ One ACL assignment per session (For example, if you configure an ACL
as the source for mirrored traffic inbound on VLAN 1 for session 4, no
port, trunk, mesh, other ACL, or other VLAN mirroring sources can be
configured for session 4.)
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