C
HAPTER
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| Interface Configuration
Port Configuration
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Figure 31: Displaying Port Information
CONFIGURING
LOCAL PORT
MIRRORING
Use the Interface > Port > Mirror page to mirror traffic from any source
port to a target port for real-time analysis. You can then attach a logic
analyzer or RMON probe to the target port and study the traffic crossing
the source port in a completely unobtrusive manner.
Figure 32: Configuring Local Port Mirroring
CLI REFERENCES
â—† "Local Port Mirroring Commands" on page 1009
COMMAND USAGE
â—† Traffic can be mirrored from one or more source ports to a destination
port on the same switch (local port mirroring as described in this
section), or from one or more source ports on remote switches to a
destination port on this switch (remote port mirroring as described in
"Configuring Remote Port Mirroring" on page 158).
â—† Monitor port speed should match or exceed source port speed,
otherwise traffic may be dropped from the monitor port.
â—† When mirroring VLAN traffic (see "Configuring VLAN Mirroring" on
page 224) or packets based on a source MAC address (see "Configuring
MAC Address Mirroring" on page 233), the target port cannot be set to
the same target ports as that used for port mirroring by this command.
â—† When traffic matches the rules for both port mirroring, and for
mirroring of VLAN traffic or packets based on a MAC address, the
matching packets will not be sent to target port specified for port
mirroring.
Source
port(s)
Single
target
port
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