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тАО01-24-2005 06:39 PM
тАО01-24-2005 06:39 PM
Find a specific IP Address
How can a find which IP-Address is link on which port? Is this possible?
Thanx for help
Alen Ahja
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тАО01-25-2005 01:16 AM
тАО01-25-2005 01:16 AM
Re: Find a specific IP Address
Or you could use 3rd party software to do it for you.
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тАО01-25-2005 01:53 AM
тАО01-25-2005 01:53 AM
Re: Find a specific IP Address
Which 3rd party software can do this for me?
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тАО01-25-2005 02:44 AM
тАО01-25-2005 02:44 AM
Re: Find a specific IP Address
Usually SNMP can get the forwarding table for you and if you ping an IP address on the same switch and immediately check your arp table (arp -a) you will see the IP address and the MAC address so I suppose you could write a perl program that would do this. It's also possible that Toptools (or whatever their management app is called these days) already has this feature in it if you are talking HP procurve switches.
Ron
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тАО01-25-2005 02:49 AM
тАО01-25-2005 02:49 AM
Re: Find a specific IP Address
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тАО01-25-2005 03:14 AM
тАО01-25-2005 03:14 AM
Re: Find a specific IP Address
1. Status and Counters
7. Port Address Table
Follow your nose.
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тАО01-25-2005 08:41 AM
тАО01-25-2005 08:41 AM
Re: Find a specific IP Address
show ip arp
this must give a list of ip address with Mac address and the port no.s in brackets
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тАО01-25-2005 07:32 PM
тАО01-25-2005 07:32 PM
Re: Find a specific IP Address
i can only type "sh arp" and the list shows only the stacking devices.
If i type "sh arp vlan vlan-id" the list shows no entry.
Alen
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тАО01-30-2005 08:56 PM
тАО01-30-2005 08:56 PM
Re: Find a specific IP Address
From the switch, ping the needed ip address.
Then do a "show arp" on the switch.
It will say what port it is on.
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тАО01-31-2005 09:35 AM
тАО01-31-2005 09:35 AM
Re: Find a specific IP Address
Try sh mac
Syntax: show mac-address [ | mac-addr |
Lists the MAC addresses of the devices the switch has detected, along with the number of the specific port on which each MAC address was detected.
[ port-list ]
Lists the MAC addresses of the devices the switch has detected, on the specified port(s).
[ mac-addr ]
Lists the port on which the switch detects the specified MAC address. Returns the following message if the specified MAC address is not detected on any port in the switch:
MAC address < mac-addr > not found.
[ vlan < vid > ]
Lists the MAC addresses of the devices the switch has detected on ports belonging to the specified VLAN, along with the number of the specific port on which each MAC address was detected.
Of course that only tells you the MAC address and not the IP. If you have a router you can ask it sh arp and get the table or you can ping a device and get the mac from
arp -a
or you can use a program like ArpWatch
Ron