Monthly Archives: December 2011

Trouble with PoE with linecard WS-X4648-RJ45V+E

There was issue with linecard WS-X4648-RJ45V+E in the 4510 chassis. Without any records in the logs new PoE devices that were attached to the switch on linecard didn`t work (switch did not provide power for them). Furthermore, we turned off\on old device (that still working on this moment) and it did not work too. From … Continue reading »

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F5 3600 BIG-IP LTM redundancy

I recently tested this balancers (two – cause redundancy). I liked these devices, especially for iRules functionality. But I strongly disappointed about his realisation of redundancy (Active-Standby). If we want to determine what device from redundancy couple should be active, after reboot this “active” device redundancy scheme don’t work correctly. From tests with traffic dump … Continue reading »

Categories: F5, issues | Tags: , | Leave a comment