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xStack DGS/DXS-3300 Series Layer 3 Stackable Gigabit Ethernet Switch CLI Manual
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14
PORT MIRRORING COMMANDS
The port mirroring commands in the Command Line Interface (CLI) are listed (along with the appropriate parameters) in the
following table.
Command Parameters
config mirror port <port> [add | delete] source ports <portlist> [rx | tx | both]
enable mirror
disable mirror
show mirror
Each command is listed, in detail, in the following sections.
config mirror port add
Purpose
Used to configure a mirror port − source port pair on the Switch.
Syntax
config mirror port <port> add source ports <portlist> [rx | tx | both]
Description This command allows a range of ports to have all of their traffic also sent
to a designated port, where a network sniffer or other device can monitor
the network traffic. In addition, the user may specify that only traffic
received by or sent by one or both is mirrored to the Target port.
Parameters
port <port> − This specifies the Target port (the port where mirrored
packets will be sent). The port is specified by listing the lowest switch
number and the beginning port number on that switch, separated by a
colon. For example, 1:3 specifies switch number 1, port 3. 2:4 specifies
switch number 2, port 4.
add source ports – The port or ports being mirrored. This cannot include
the Target port.
<portlist> − This specifies a range of ports that will be mirrored.
That is, the range of ports in which all traffic will be copied and sent
to the Target port. The port list is specified by listing the lowest
switch number and the beginning port number on that switch,
separated by a colon. Then the highest switch number, and the
highest port number of the range (also separated by a colon) are
specified. The beginning and end of the port list range are
separated by a dash. For example, 1:3 specifies switch number 1,
port 3. 2:4 specifies switch number 2, port 4.
rx − Allows the mirroring of only packets received by (flowing into) the
port or ports in the port list.
tx − Allows the mirroring of only packets sent to (flowing out of) the port
or ports in the port list.
both − Mirrors all the packets received or sent by the port or ports in the
port list.
Restrictions The Target port cannot be listed as a source port. Only administrator-
level users can issue this command. The target port and the source port
must be in the same Switch. That is, these ports cannot cross boxes in
the stacking configuration.
Example usage: