[Gllug] suse 12.1 not connect online

Ian Northeast ian at house-from-hell.demon.co.uk
Sun Apr 22 23:27:30 UTC 2012


Ken Smith wrote:

> It used to be the case that Virgin Media's DHCP would only issue an IP 
> address to the machine whose MAC address they had seen before. So if you 
> swap the connected device VM's DHCP won't give it an IP address. 
> Nonsense to my thinking, but seemingly if you shut down VM's modem and 
> leave it for half an hour or so and then start it up again it appears to 
> forget the previous MAC address and allow a new device to connect. I had 
> thought that had dispensed with this but in some areas it might still 
> happen.

IME it's necessary to restart the cable modem to attach a new client but 
there's no need to leave it off for any length of time. Just restarting 
it does it. This has been the case for a few years now, it did indeed 
used to (mis)behave as you say. I'm not sure why it's necessary to 
restart it at all, I think it may be a rather crude way to ensure that 
only one client can be connected at a time.

Someone mentioned VM being useless earlier. Also IME, they are not. The 
actual service is pretty good, and I normally get my full 20Mb/s. If you 
are unfortunate enough to have to call their support line they are 
totally useless though.

In response to another previous comment, I have been connecting to VM 
with OpenBSD and now Linux for 10 years now and I've not had any issue 
with that. Of course, I've never actually mentioned what I'm using, I 
just say "router".

Regards, Ian
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