HP J4899B User Manual - Page 47
Spanning Tree, GVRP automatic VLANs, or LACP automatic trunking., Trunking
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Troubleshooting Basic Troubleshooting Tips The Switch 2650 also supports Trunking, which allows multiple network cables to be used for a single network connection without causing a data path loop. For more information on Spanning Tree and Trunking, see the Management and Configuration Guide, which is on the Documentation CD-ROM that came with your switch. ■ Check the port configuration. A port on your Switch 2650 may not be operating as you expect because it has been put into a "blocking" state by Spanning Tree, GVRP (automatic VLANs), or LACP (automatic trunking). (Note that the normal operation of the Spanning Tree, GVRP, and LACP features may put the port in a blocking state.) Or, the port just may have been configured as disabled through software. Use the switch console to determine the port's configuration and verify that there is not an improper or undesired configuration of any of the switch features that may be affecting the port. For more information, see the Management and Configuration Guide, which is on the Documentation CD-ROM that came with your switch. For more information on possible network problems and their solutions, refer to the technical note "Troubleshooting LAN Performance and Intermittent Connectivity Problems", which can be found on the HP Procurve web site, http://www.hp.com/go/hpprocurve, in the Information Library section. 4-3 Troubleshooting