Method of transferring mirror packet and system for transferring mirror packet

A system for transferring a or packet comprising:

• one or more memories;
• and
• one or more processors coupled to the one or more memories and the one or more processor configured to:
• perform obtainment of a first mirror packet,
• perform, based on a first virtual local area net work identifier added to the first mirror packet when only a first port permits passage of a mirror packet to which the first virtual local area network identifier is added, transfer of the first mirror packet to the first port;
• and
• perform, based on the first virtual local area network identifier added to the first mirror packet when a plurality of ports permit passage of a mirror packet to which the first virtual local area network identifier is added, the first mirror packet to a second port for which only a single destination address is registered, transfer of the second port being included in the plurality of ports.

A non-transitory computer-readable medium storing instructions executable by one or more computers, the instructions comprising:

• one or more instructions for obtaining a first mirror packet;
• one or more instructions for transferring, based on a first virtual local area network identifier added to the first mirror packet when only a first port permits passage of a mirror packet to which the first virtual local area network identifier is added, the first mirror packet to the first port;
• and
• one or more instructions for transferring, based on the first virtual local area network identifier added to the first mirror packet when a plurality of ports permit passage of a mirror packet to which the first virtual local area network identifier is added, the first mirror packet to a second port for which only a single destination address is registered, the second port being included in the plurality of ports.