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Re: Procurve 2824 not showing IP address

 
Nikunj Damani
Advisor

Re: Procurve 2824 not showing IP address

No, I haven't had time to run that command.
Let me be see if I understand it properly, so to find out the IP addresses of the devices connected to a switch, I have to ping all the ip addresses from the CLI.
So if the range is 192.168.100.x - 192.168.100.y, do I have to ping all the IP addresses in that range? And then run the 'show arp' command to find out the IP addresses. Am I correct?
And this is just one switch, I have 5 other switches in different buildings.
Thank you.
Richard Brodie_1
Honored Contributor

Re: Procurve 2824 not showing IP address

It's not really that straightforward. You can find the hardware (MAC) addresses of individual devices with "show mac " or "show mac mac-address".

To map individual IP address to MAC addresses, you can PING the node and then show arp. Or you could extract the information from your DHCP server.

You might want to look at a network management tool like Netdisco, although that might be overkill for your requirements.
brakerm19
Occasional Advisor

Re: Procurve 2824 not showing IP address

here is an example of the outpu of the 'show arp' command:

Is this what you are looking for?

HP2848-Switch1# show arp

IP ARP table

IP Address MAC Address Type Port
--------------- ----------------- ------- ----
172.20.1.3 005056-4e1122 dynamic
172.20.1.10 005056-812233 dynamic 43
172.20.1.32 0050ba-4d3344 dynamic 22
172.20.1.42 000ae6-cf4455 dynamic 20
172.20.1.43 00095b-0a5566 dynamic 23
172.20.1.44 0007e9-776677 dynamic 21
172.20.1.45 002354-937788 dynamic 25
172.20.1.46 000bdb-c28899 dynamic 19
172.20.1.47 000bdb-be99aa dynamic 18
172.20.1.253 001818-ffaabb dynamic 41
Nikunj Damani
Advisor

Re: Procurve 2824 not showing IP address

Yes, that is exactly what I am looking for.
One thing I noticed on your example is that the port type is 'dynamic'. From what I understand, it is the VLAN type? If it is so,
how do you change the VLAN from static to dynamic because I just checked and on my switch the VLAN type is static. Could it be one of the reason because the VLAN type on my switch is static.
Thank you.