Which server is connected to a switch interface

Hi all,
We have a few switches in our company and we wanted to know an easy and quick way to find out which servers are connected to that switch (even if possible on which interface).
For example:
Firewall -> Switch1 interface Gig 0/1
Mail or 10.10.10.10 -> Switch2 interface Gig 0/3
I'm using at this moment the following command:
show cdp neighbors
It gives me all cisco device connected to that switch.
Is there an other command that does the same? Displaying the DNS or IP of a server that is connected to that interface of the switch.
Kind Regards

Hi,
a) there are some free tools available to track the end devices.
SolarWinds User Device Tracker might be an example (not tested personally).
b) If you want to run a CLI command, you usually need to take an opposite way: find out the device IP or MAC address and track to which switch port it's connected.
So you can list the FW ARP cache in your case.
And then to use "trace mac ip ..." switch CLI command, e.g.
See
http://www.cisco.com/en/US/customer/docs/switches/lan/catalyst3750/software/release/12.2_25_sec/command/reference/cli3.html#wp1917847
or
http://www.cisco.com/en/US/docs/switches/lan/catalyst3750/software/release/12.2_25_sec/command/reference/cli3.pdf
for details.
HTH,
Milan

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Which server is connected to a switch interface

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