https://community.hpe.com/t5/switches-hubs-and-modems/sample-template-causes-of-procurve-network-down-failure/m-p/4759951#M25467 On any network switch, disable spanning-tree, connect 2 ports, the switch will stop.<BR /><BR />On more than 1 switch, do same, create a few loops between switches...network will grind to a halt within seconds with a large broadcast storm such as that.<BR /><BR />(been there, done that)<BR /><BR />hth...Jeff Wed, 02 Mar 2011 11:46:27 GMT Jeff Carrell 2011-03-02T11:46:27Z https://community.hpe.com/t5/switches-hubs-and-modems/sample-template-causes-of-procurve-network-down-failure/m-p/4759950#M25466 Hello Guys,<BR /><BR />Anybody have a sample doc for what all causes complete or partial network break down on Procurve Network?<BR /><BR />As I'm preparing for this for a project that our client requested to provide test plan and this one, I have prepared the test plan, but I don't have any templates for the causes of complete or partial network down...<BR /><BR />Please help me if anyone have such doc.<BR /><BR />Regards,<BR />Mohi Wed, 02 Mar 2011 07:19:00 GMT https://community.hpe.com/t5/switches-hubs-and-modems/sample-template-causes-of-procurve-network-down-failure/m-p/4759950#M25466 P_Tech 2011-03-02T07:19:00Z https://community.hpe.com/t5/switches-hubs-and-modems/sample-template-causes-of-procurve-network-down-failure/m-p/4759951#M25467 On any network switch, disable spanning-tree, connect 2 ports, the switch will stop.<BR /><BR />On more than 1 switch, do same, create a few loops between switches...network will grind to a halt within seconds with a large broadcast storm such as that.<BR /><BR />(been there, done that)<BR /><BR />hth...Jeff Wed, 02 Mar 2011 11:46:27 GMT https://community.hpe.com/t5/switches-hubs-and-modems/sample-template-causes-of-procurve-network-down-failure/m-p/4759951#M25467 Jeff Carrell 2011-03-02T11:46:27Z https://community.hpe.com/t5/switches-hubs-and-modems/sample-template-causes-of-procurve-network-down-failure/m-p/4759952#M25468 Ok, I got it..But what I am looking that something documented. if you want I can show you a template of test plan, so basically I am looking something very similar to this.<BR /><BR />There are lot of other reasons for a network failure, But I need from level to level.. Wed, 02 Mar 2011 12:00:19 GMT https://community.hpe.com/t5/switches-hubs-and-modems/sample-template-causes-of-procurve-network-down-failure/m-p/4759952#M25468 P_Tech 2011-03-02T12:00:19Z https://community.hpe.com/t5/switches-hubs-and-modems/sample-template-causes-of-procurve-network-down-failure/m-p/4759953#M25469 Sorry, that is not the way I read your initial question.<BR /><BR /> Wed, 02 Mar 2011 13:14:26 GMT https://community.hpe.com/t5/switches-hubs-and-modems/sample-template-causes-of-procurve-network-down-failure/m-p/4759953#M25469 Jeff Carrell 2011-03-02T13:14:26Z https://community.hpe.com/t5/switches-hubs-and-modems/sample-template-causes-of-procurve-network-down-failure/m-p/4759954#M25470 hm..ok, np. Wed, 02 Mar 2011 16:51:38 GMT https://community.hpe.com/t5/switches-hubs-and-modems/sample-template-causes-of-procurve-network-down-failure/m-p/4759954#M25470 P_Tech 2011-03-02T16:51:38Z