We had lightning get on our network thru our cable connection and I have some computers that cannot connect to the network. They can when you connect them directly to the switch, so I'm assuming the problem is in the wiring. The wiring definately worked before the storm, so my question is can lightning ruin or degrade cat5e networking performance? Also, is there a tester on the market that will rate the condition of my wires, my current tester only shows me a light for each pair of wires.
Also, it is ok to use Cat 5e for gigabit ethernet as long as I have all four pairs of wires connected right? or do I need to upgrade to cat6 anyway?
If I do have to replace these wires because of the storm, is there any real advantage to using cat6 or plenum cable?
Thanks in advance.