/system/interfaces/{Interface.name}/mgmd_pgs/{MGMD_PGS.mgmd_type},{MGMD_PGS.group_ip},{MGMD_PGS.source_ip}get https://switch-ip/rest/v10.15/system/interfaces/{Interface.name}/mgmd_pgs/{MGMD_PGS.mgmd_type},{MGMD_PGS.group_ip},{MGMD_PGS.source_ip}