How can idenftify switch port by IP

is there a way to identify which switch port by bowing only the ip address of the device. of course without the need of disconnect the device.
MaherioAsked:
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John GobertEnterprise Systems ConsultantCommented:
If it is a managed switch you may be able to use SNMP mapping tools to map what's connected to each port.  Check out the following link for more info and suggested tools that you may want to check out:  http://www.techrepublic.com/blog/networking/how-to-determine-what-device-is-on-what-port-on-your-cisco-switch/382

The article references Cisco switches but the tools mentioned aren't Cisco exclusive.

If you want to try to do it without 3rd party tools you can look up the admin guide for your switch and see if it supports CLI commands to output info on what MAC addresses are detected on each port.  From there you can use arp to resolve IP to MAC and then find the MAC in the CLI output.  If you're not familiar with this stuff then I really suggest getting a trial of one of the SNMP port mapping tools and trying that.
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Soulja53 6F 75 6C 6A 61 Commented:
Log into the L3 Switch/ or Router that is the gateway for this particular devices. Look at the ARP table. Cisco is sh ip arp. Other vendors may be similar. If you don't see the ip. Ping it and see if you can get it to populate into the ARP table. After identifying the ip in the ARP table there should be an associated MAC address. Now look though your MAC adddress table for that MAC it will tell you which port this device resides. It not on the local device, the MAC may be coming over a trunk to another switch. If so, log onto that particular switch and look for the MAC address there.
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MaherioAuthor Commented:
http://www.quest.com/free-network-tools/tools-list.aspx

Free Network software tools from Dell
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MaherioAuthor Commented:
I've requested that this question be closed as follows:

Accepted answer: 0 points for Maherio's comment #a39480446

for the following reason:

Free and does what is required
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John GobertEnterprise Systems ConsultantCommented:
Closing the question without awarding points is pretty inappropriate since you did receive good feedback.  Please reconsider...
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Soulja53 6F 75 6C 6A 61 Commented:
Yeah I agree.
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MaherioAuthor Commented:
no hard feeling but provided CLI info is already known, unless you expect to put the question and all i know about the possible answer.

I really thank everyone participate in this question, and i think add tip to the knowledge of this question. saving other member googling time :)
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John GobertEnterprise Systems ConsultantCommented:
Maybe it is just me but I have no idea what you're trying to say...?  If your reason for not awarding points is because we provided information you were already aware of then either the question didn't need to be asked or you should have been more detailed in your question.

Drawing points for helping people is the big driver for us to work the site and answer questions.  By you asking for our help and then thumbing your nose at us when it is time to close the question and say thanks by awarding points is insulting and is a waste of our time.

I'm not trying to be rude but it is what it is... and I'm pretty sure the community at large would agree.
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MaherioAuthor Commented:
thank you
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John GobertEnterprise Systems ConsultantCommented:
@Soulja - A moderator should be dropping by soon.  I objected to the close request when the OP submitted it and the question is still showing "A request for attention has been submitted".  Hopefully the mod can resolve this in a positive way for you and I.
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MaherioAuthor Commented:
Waiting the moderator verdict
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MaherioAuthor Commented:
As i said waiting for verdict , for me it does not matter how has the last laugh. what i thought that i added to the knowledge base .

go a head and close this topic in which way you see it right.
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