Allied Telesis AT-S63 - Manual (Page 493)

AT-S63 Management Software Menus Interface User’s Guide
Section III: VLANs 493
STP ID
Present if the GARP application is GVRP; identifies the spanning
tree instance associated with the GIP context.
Connected Ring
The ring of connected ports. Only ports presently in the spanning
tree Forwarding state are eligible for membership in the GIP
connected ring. If no ports exist in the GIP connected ring, “No
ports are connected” is displayed. If the GARP application has no
ports, “No ports have been assigned” is displayed.