routing problem, was: Re: [SlugBug] Wiki, routing and the last / first meeting...

Chris chris at slugbug.org.uk
Fri Feb 27 15:52:28 GMT 2004


Hi Alan

(Sending this back on list -- I assume you replied
off-list my mistake :-)

On Fri 27-Feb-2004 at 02:47:50PM +0000, Alan Dawson wrote:
> Quoting Chris <chris at slugbug.org.uk>:
> 
> > I used to use this netmask:
> > 
> >   NETMASK=255.255.255.248
> 
> A net mask of 248 gives you 6 hosts per network (  you
> lose the top and bottom due to the network and broadcast
> address ) and 32 networks 0-7,8-15 ..
> 216-223,224-231,232-240,240-247,248-255
> 
> So your netmask means that your default gw is in a
> different network, and your ip address is the broadcast
> address.  Therefore either your default gw and IP
> address are wrong or the netmask is wrong.
>
> Er..I think ;-)

I think you are right :-)

> Try a netmask of 255.255.255.240 ?

Tried that, same problem:

  # /sbin/ifconfig | grep 80.176.191.223
    inet addr:80.176.191.223  Bcast:80.176.191.223 Mask:255.255.255.240

  # /sbin/route | grep eth0
  80.176.191.208  *               255.255.255.240 U     0 0        0 eth0

No gateway...

Chris

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