Layer 2 trace?

5 pts.
Tags:
Layer 2 switches
Layer2 switches connectivity
Network hardware
Switches
Hi,

I had joind a company with a big, complicated and un-documented network. I want to know some connections passing through which switches. Some of the switches are layer2. To make it harder, switches are of different brands.

Any idea how to achieve that?

Regards

Answer Wiki

Thanks. We'll let you know when a new response is added.

If the Switches are from Cisco,HP or Foundry you can use a CDP, FDP protocols to find out the immediatelly connected neighbour from any of these switches, HP Procurve can run sho cdp neighbours command as well.

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