Cannot connect to Dell Powerconnect 5524 switch through patch panel, only directly.

dalchi_frusche

Commendable
Jul 26, 2016
4
0
1,510
So, I'm not sure why this doesn't work but as the title says I'm having slight connection issues.

I have my console laptop connected to the wall jack in my office to manage everything.

Setup 1.

Laptop--->jack-->patch panel-->PFSense router or server

Setup 2.

Laptop--->jack--->patch panel--->Dell Powerconnect 5524 switch

So in the first setup I can access both the router or server depending on which is connected to the patch panel, but if I change to setup 2 I don't get any port activity(lights) and can't get into the web configurator.

If I take the laptop and directly connect it to the switch Laptop--->Switch then it lights up and I can get into the web configurator.

Any ideas? I'm banging my head on the desk trying to figure this out.
 
Solution
Some devices are much more sensitive to wiring issue than others. Some tolerate pretty bad wires.

Used to be this was a cross/straight cable issue since a device to switch and device to device is different but that was a old 100mbit things. All new equipment is gig which transmits and receives on all the pair from both ends at the same time. But you should still check that everything is set to auto and supports gig speeds.

It has to be a problem with your patch panel/cable. Verify that all the wires follow either 568a or 568b color pattern. It is important that both ends be the same. If everything looks good then you are kinda stuck.

If you were a network pro or just like to buy extremely expensive toys you would use...
Some devices are much more sensitive to wiring issue than others. Some tolerate pretty bad wires.

Used to be this was a cross/straight cable issue since a device to switch and device to device is different but that was a old 100mbit things. All new equipment is gig which transmits and receives on all the pair from both ends at the same time. But you should still check that everything is set to auto and supports gig speeds.

It has to be a problem with your patch panel/cable. Verify that all the wires follow either 568a or 568b color pattern. It is important that both ends be the same. If everything looks good then you are kinda stuck.

If you were a network pro or just like to buy extremely expensive toys you would use what many people call a fluke meter. This is a brand name but it is used to certify installations and will find problems with poorly terminated jacks. When you don't have access you only option is to blindly reterminate the ends of the wire hoping to get a better connection. It can be as simple as the connector making partial contact but not enough to actually work on all devices.
 
Solution

dalchi_frusche

Commendable
Jul 26, 2016
4
0
1,510


I knew about the old requirement for crossover cables between devices. So I knew that wasn't an issue with both ends being gigabit full duplex.

I followed the 568B, but I'm going to verify they are all connected correctly.

I know we have a fluke at work, but I doubt the networking team will let me borrow it haha. I do have a friend on the team that is going to check to see if they have a more basic tester I could borrow.

Will update if I can get it fixed. But for now, I'll take your recommendation of a bad cable.