Weird DNS behavior from Verizon Actiontec modem

  • Thread starter Thread starter jtpr
  • Start date Start date
J

jtpr

I have a FIOS connection with a system on it connected wirelessly. It
had a Netgear adapter that I wasn't happy with so I removed it and
replaced it with a noname card. The Netgear had received a
192.168.1.2 address from the router and in it's name was allmedia.
This was fine. After I changed it out it received a 192.168.1.5
address with the name new-host. The computer name is allmedia. If I
try and change the name at the router I get "Rule Name already exists
in Wireless Broadband Router's database." If I ping allmedia it
resolves to the .2 address. If I run a repair on allmedia, then go to
another system and ping it by name it resolves to the .5 address for a
bit, then goes back to the .2 address. I have rebooted the router, no
change. Somehow I need to flush the DNS cache on the router but can't
figure out how. I did an ipconfig /flushdns with no change.

Any ideas?

-Jim
 
Hi
Your Router probably keeps the MAC number of the old NIC and reserves the IP
an the name for it. The Router does not know that you changed the NIC on
the same computer, form its perspective it is a New computer with another
MAC address (the MAC address of the New Card). The Router thinks that the
old computer is off line and it is nice enough to keep the Name and IP for
the old computer.
If there is No way to clear it through the Router's menu you have to Hard
Reset the Router (read the manual).
In any case it is probably only cosmetic in the Router, it would affect the
Name and the Network connection on the actual computer
Jack (MVP-Networking).
 
Hi
Your Router probably keeps the MAC number of the old NIC and reserves the IP
an the name for it. The Router does not know that you changed the NIC on
the same computer, form its perspective it is a New computer with another
MAC address (the MAC address of the New Card). The Router thinks that the
old computer is off line and it is nice enough to keep the Name and IP for
the old computer.
If there is No way to clear it through the Router's menu you have to Hard
Reset the Router (read the manual).
In any case it is probably only cosmetic in the Router, it would affect the
Name and the Network connection on the actual computer
Jack (MVP-Networking).
Click to expand...

I can understand that, but what I don't understand is why it won't
pick up the computer name from the system and assign it (in DNS) to
the new IP number it gave the system.

-Jim
 
Hi
Probably because it can not deal with the same name twice.
However the info in the Router (beside the actual IP number) is cosmetic and
does not mean anything functional. If you can not Let Go, Hard Reset the
Router and configure it from scratch.
Jack (MVP-Networking).
 
Back
Top