Specifications

Port Mirroring
Mirroring Features
SecureStack B2 Configuration Guide 3-29
3.4 PORT MIRRORING
The SecureStack device allows you to mirror (or redirect) the traffic being switched on a port for
the purposes of network traffic analysis and connection assurance. When port mirroring is enabled,
one port becomes a monitor port for another port within the device.
3.4.1 Mirroring Features
The SecureStack B2 device also supports the following mirroring features:
• Mirroring can be configured for up to three instances of one-to-one mirroring relationships.
There are no restrictions on the number of source ports that can be redirected to one destination
port.
• Mirroring of received frames only, transmitted frames only, or both.
Each frame is copied to the destination port in the format specified by the destination port
3.4.2 Setting Port Mirroring
Purpose
To review and configure port mirroring on the device.
Commands
The commands used to review and configure port mirroring are listed below and described in the
associated section as shown.
• show port mirroring (Section 3.4.2.1)
• set port mirroring (Section 3.4.2.2)
• clear port mirroring (Section 3.4.2.3)
CAUTION: Port mirroring configuration should be performed only by personnel who are
knowledgeable about the effects of port mirroring and its impact on network operation.