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3.2.3 Port Mirroring Configuration
3.2.3.1 Introduction to Port Mirroring
Port mirroring refers to duplicate the data frames sent/received on a port to another
port, where the duplicated port is referred to as mirror source port, and the duplicating port
is referred to as mirror destination port. A protocol analyzer (such as Sniffer) or RMON
monitoring instrument is often attached to the mirror destination port to monitor and
manage the network and diagnostic.
ES4626/ES4650 support one mirror destination port only. The number of mirror
source port is not limited, one or more ports can be used. Multiple source ports can be
within the same VLAN or across several VLANs. The destination port and source port(s)
can locate in different VLANs.
3.2.3.2 Port Mirroring Configuration Task Sequence
1. Specify mirror source port
2. Specify mirror destination port
1. Specify mirror source port
Command Explanation
Port configuration mode
port monitor <interface-list> [rx| tx| both] no port
monitor <interface-list> no port monitor
<interface-list>
Specify mirror source port;
the “ no monitor session
<session> {interface
<interface-list> | cpu [slot
<slotnum>]}” command
deletes mirror port.