Can't connect to router

A

alexanderv

n00b
Joined
Nov 23, 2010
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20
I have a router ( SWR54BGA ) connnected to a machine using a simple patch cable. On the machine is installed windows 7 ult, automatic ipv4 and automatic ipv6 settings on the lan card.
When connected to the router, the ipv4 is 169.254.x.x /16 and the ipv6 is a realy long string of numbers ( fe80::c48 and so on ). Those are the settings that i can see in the network connection details. In the details page i can see also three ipv6 dns ( fec0:: and so on ). the power led and connectivity led are ok. If i can at least see it's address than i-ll be able to install a firmware ( maybe something compatible with rtl8186 soc ) via tftp.
as to how the router got in this state, i have no clue, someone gave it to me long time ago.

I do not know a lot about networking, and i'm missing something. I tried hard reseting ( 30-30-30 ). If you could give some hints, please, thx.


The inconsistency or the Incoherency may be by-products of being crazy
He is right
 
Ok. Take a step back.

Do a hard reset of the router and make sure the NIC's settings are all at their defaults and the NIC itself is enabled.

Run a standard patch cord from the NIC to one of the LAN ports on the router. You should get a 192.168.16.x address (most likely). 169.x.x.x addresses are a self assigned address Windows will give your NIC if it detects no network connection.

192.168.16.1 is going to be the router itself.
 
Bingo, systems are online. I did a hard reset as you told, and waited for the ip. Than, the self assigned ip kicked in ( 169. ). Didn't worked. So the router would not want to lease the ip's. The default ip of the router is 192.168.16.1 ( what noob of me not to read the router's manual. To have any communication between the machine and the router, both need to be on the same lan. I configured nic as follow ip:192.168.16.169/24 ). Gateway was not important, but for the sake of completion, i set it to 192.168.16.1. After all those settings, first thing cmd->ping 192.168.16.1. Ping successful !!! WOOT. chrome->192.168.16.1 ->webgui ->Lan -> turned out that dhcp server was disabled. I now have a free functional w router. dd wrt, here we come if the router is capable, need further reading.
thx criccio, didn't knew about default ip.
Hope my solution will help lost souls out there.
 
Yes. Dunno, maybe startup-config was stored on the flash memory, and force restarting the router didn't erased it? If i'm telling IT blasphemy sorry, my networking skills are not that sharp.
 
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