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HP4000M Switch

hdemirhan
Occasional Contributor

HP4000M Switch

My work place have two location. There are two switch Hp4000M and Hp2626. Between the two of them working single mode fiber connections 1G/bits. The Router (Cisco 878 G.shdsl) connected on the HP4000M switch. Sometimes the router ethenet port is blocking. it doesn't answer ping,telnet. I'm connect with console port to router. I see Eth0 is up or atm port is up. I'm doing restart the router but still its'nt answer. When I was disable LX Module on the HP4000M switch the router is working. But the same problem is repeating between three hours. any idea?