Identify machines connected to switch. Not quite a dupe, but theres a similar question here, which has some suggestions about mapping an IP address to a switch port. In this case, it sounds like the best option is to identify all switch ports that are connected to devices you know about. My suggestions for this assuming Cisco managed routersswitches Identify known devices. From your first hop routers, do a broadcast ping on each subnet that is trunked to a switch supporting the office space as opposed to any data centre space you may have. Title Setting up a Reverse Proxy Server Author Christian Folini Tutorial Number 9 Last Update 20170305 Release Date 20161115 Difficulty Medium. I have seen a lot of posts on the internet showing the best way to get folder redirection working with offline files in Windows 7. Much of it has only sent me down a. Netdisco 2. 0Note, this should be the directed broadcast address of each subnet, rather than the all devices broadcast IP of 2. In Cisco IOS, this can only be done from privileged exec mode. For example, to ping all machines on the subnet 1. Program Do Projektowania Szafek Kuchennych. This will populate the ARP cache of the router with entries for all machines on each subnet responding to ping. Again on the first hop routers, extract the list of ARP entries for each subnet show ip arp interface vlan 1. Sweet Pool Game there. This will give you all the IPs and MAC addresses of every device that responded to the ping. Ueberschall Minimal Techno Rapidshare on this page. You can check the list of IPs against DNS or another naming service to identify the names of specific devices. Any IP address that you cant match a name to should be flagged for further investigation. Map known devices to switch ports. Take the list of MAC addresses and use it to determine which switch port each device is connected to. Will show you the MAC address table entry for that particular MAC, including which switch port its connected to. Alternatively show mac address table vlan lt vlan number. Will show you the MAC address table for all ports in that VLAN. Note, the default time out for MAC address tables on Cisco devices is 5 minutes you may need to run your broadcast ping again in order to repopulate it. Map unknown devices to switch ports. For those IPs that you couldnt map to known devices, the commands in the previous section will tell you which port you need to check. Also, run show mac address table. Take the output, and remove the lines for any known MAC addresses, as well as any router router and switch switch links. Directory of hundreds of tools for monitoring and analyzing network traffic. Buy Fast Private Proxies Clear Raspberry Pi Case. Ahaa, its pleasant conversation colncerning this piece of writing here at this weblog,I have read aall that, so at. Duthnet-netdisco-screenshot-0a.jpg/600px-Duthnet-netdisco-screenshot-0a.jpg' alt='Netdisco 2 Ubuntu' title='Netdisco 2 Ubuntu' />Netdisco 2 GraphThe MAC addresses that you will be left with are devices that are connected to your switch, but arent communicating via IP to your first hop routers. The ports these appear on should also be flagged for investigation. Map flagged ports to outlets. For all the ports you have flagged i. If youre lucky, your landlord will use managed cabling infrastructure if not, be prepared to lift floor tiles and trace cables the old fashioned way.