US Patent 11368413 Inter-switch link identification and monitoring

Techniques for inter-switch link (ISL) identification and monitoring are described herein. An aspect includes sending a query fabric path command to a switch, the query fabric path command including an origin address and a destination address. Another aspect includes receiving a query fabric path response from the switch based on the query fabric path command, the query fabric path response including a plurality of port identifiers. Another aspect includes monitoring a plurality of ports, each of the plurality of ports corresponding to a respective port identifier of the plurality of port identifiers in the query fabric path response.