In this case it was the vlan interface and a PC.
Locating a Cisco Phone MAC Address and IP Address
I hope this guide was helpful for you. If you aren't sure about something or feel like I missed a step, please let me know. Another way to find that information is to first PING the address of the system you are looking for. Then issue: show arp i. As you can see, the 'sh arp' or 'sh ip arp' commands also give you the MAC addresses, so essentially the 'sh mac add' is only to get the port in which the device is connected. It helps to Ping the subnet's broadcast address e.
Small tip: When you see a large number of MAC addresses showing up on a single port, there's a switch on that port into which those MAC addresses are connected. If you're all Cisco, 'show cdp neighbor' or 'sh cdp nei' will get you to the next switch. The amazing thing to me is, this far into the 21st Century, this is still the only way I could find to get this information -- i.
ETA: What if you can't get to the Console port? Good stuff, thanks for posting this!
- On a Layer 2 switch:;
- Find IP of device attached to a CISCO switch - TechRepublic.
- latest version of mac os x yosemite.
My go-to Cisco command is: show ip interface brief show ip int bri. Another thing I've learned that is very helpful I'm still a noob with Cisco stuff is tab-completion and using a "?
Cisco 7961 Sip Firmware
Unfortunately dumping the mac table and working through it is the only way to reliably find stuff and identify its switch port. I've done a similar process with HP switches. Spiceworks has the ability to harvest this information using SNMP and will create a map showing which device is on which switchport. The feature could use some more work but basic components are there.
Hey everyone thanks for the great feed back, it's really cool having this featured.
SadTech0 if you cant to the console port and you don't know the IP Address you could use a tool like angry IP scanner and find the switch that way. Barring some major obstruction you should try to console in get the ip and start an inventory.
Hope that helps. Keep in mind, in some security minded environments, CDP may be disable if it's not needed. It's one of those things that give out unnecessary reconnaissance info to the bad guys.
If one of your edge routers gets compromised, it can be used to start footprinting your internal network. They are very helpful. Home Networking General Networking How-tos. General Networking Cisco. TaylorC This person is a verified professional.http://leondumoulin.nl/language/science/ibps-po-so.php
Cisco & Linksys Boot Server – OnSIP Support
Verify your account to enable IT peers to see that you are a professional. Apr 20, 2 Minute Read. Reply 9. Facebook Twitter Reddit LinkedIn. Taylor Carpenter This person is a verified professional. Track Progress. Re: you don't need layer 3 device.
Re: Commands to find mac-address and IP on a port. Everyone's tags 1. Tags: switching. Latest Contents. Under the Hood: Unveiling the next gen campus core architect Created by klei on AM.
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- FAQ: Finding the IP Address and MAC Address of a Cisco IP Phone;
- How to get phone MAC from Cisco - Cisco Community.
- Determine IP Address From a MAC Address.
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