Posts Tagged ‘mac address’

HP have forced people to use the Web interface on the new range of switches , however you can enable advanced cli through : 

Using _cmdline-mode on

with Password: Jinhua1920unauthorized

To find the Mac and port relation on 1920G

Login to Web interface , go to Network Tab , then sub tab MAC

You can See Mac and port relation there

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Get the port number on the switch , if you stack you should get the switch number as well

You can use show int to list all the interfaces , get the switch port value e.g. gi/1/0.8

Use sh int gi1/0/8 to list the port details to make sure its up etc

Next run :

show mac address-table int gi1/0/8

( copy the address it gives you Address )

Next Run this

show arp | incl %macaddressofabove%

If it doesn’t show anything the device might not have an IP ( check port is on correct Vlan )

** A cheat , on a computer connected to the switch on the same Vlan and IP range , you can manually add an IP to the mac address then try and ping/access the device :

In Windows Xp

arp -s %spareip% %macAddress%

In Windows 7

netsh -c interface ipv4 add neighbors “Network Card Name” “IP Address” “MAC Address”
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