Communication system and network relay device

摘要

A communication system includes a plurality of port switches that include first and second port switches, a plurality of fabric switches that construct communication paths among the plurality of port switches, and a user switch. Each of the plurality of port switches is connected to each of the plurality of fabric switches via different communication lines. The first and second port switches are connected by a common communication line between redundancy ports of the first and second port switches to thereby form a same domain group. The user switch is connected to each of the first and second port switches via different communication lines, and also sets link aggregation for ports of the user switch that are connection sources of the communication lines that connect the user switch and each of the first and second port switches.

主权项

1. A communication system, comprising:
a plurality of port switches that include first and second port switches; a plurality of fabric switches that construct communication paths among the plurality of port switches; and a user switch, wherein each of the plurality of port switches is connected to each of the plurality of fabric switches via different communication lines, wherein the first and second port switches are connected by a common communication line between redundancy ports of the first and second port switches to thereby form a same domain group, wherein the user switch is connected to each of the first and second port switches via different communication lines, and also sets link aggregation for ports of the user switch that include connection sources of the communication lines that connect the user switch and each of the first and second port switches, wherein each of the plurality of fabric switches sets a sublink that causes plurality of ports of the fabric switches to logically function as one port for a plurality of ports to which the first and second port switches that form the same domain group are connected, wherein each of the first and second port switches comprises:
a control signal generation unit that generates control signals including same domain identifiers indicating that the first and second port switches form the same domain group; anda control signal transmission unit that transmits the control signals to each of the plurality of fabric switches via different communication lines, and wherein each of the plurality of fabric switches comprises:
a control signal analysis unit that analyses the control signals received at the plurality of ports of the fabric switches, and determines whether or not the domain identifiers are present in the control signals; anda link setting unit that, if the domain identifiers are present, sets the sublink for the plurality of ports of the fabric switches that have received same domain identifiers.