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Monitoring and Analyzing Switch Operation
Traffic Mirroring
■ “Local Mirroring Overview” on page B-44
■ “Remote Mirroring Overview” on page B-46 (The remote switch must be
a ProCurve switch offering the full mirroring capabilities described in this
chapter.)
For a detailed description of each step in a mirroring configuration, refer to:
“1. Determine the Mirroring Session and Destination” on page B-49
“2. Configure a Mirroring Destination on a Remote Switch” on page B-50
“3. Configure a Mirroring Session on the Source Switch” on page B-52
“4. Configure the Monitored Traffic in a Mirror Session” on page B-55:
• “Selecting All Inbound/Outbound Traffic to Mirror” on page B-57
• “Selecting Inbound Traffic Using an ACL (Deprecated)” on page B-62
(Deprecated in release K.14.01 and greater)
• “Selecting Inbound/Outbound Traffic Using a MAC Address” on page
B-63
• “Selecting Inbound Traffic Using Advanced Classifier-Based Mirror-
ing” on page B-66
Caution After you configure a mirroring session with traffic-selection criteria and a
destination, the switch immediately starts to mirror traffic to each destination
device connected to an exit port. In a remote mirroring session which uses
IPv4 encapsulation, if the exit switch is not already configured as the destina-
tion for the session, its performance may be adversely affected by the stream
of mirrored traffic. For this reason, ProCurve strongly recommends that you
configure the exit switch for a remote mirroring session before configuring
the source switch for the same session.
Local Mirroring Overview
To configure a local mirroring session in which the mirroring source and
destination are on the same switch, follow these general steps:
1. Determine the session and local destination port:
• Session number (1-4) and (optional) alphanumeric name
• Exit port (any port on the switch except a monitored interface used
to mirror traffic)
2. Enter the mirror < session-# > [ name < session-name >] port < port-# >
command to configure the session.
B-44