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uk.telecom.broadband (UK broadband) (uk.telecom.broadband) Discussion of broadband services, technology and equipment as provided in the UK. Discussions of specific services based on ADSL, cable modems or other broadband technology are also on-topic. Advertising is not allowed.

ADSL Gateway and server issues



 
 
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  #1  
Old July 7th 03, 11:15 AM posted to uk.telecom.broadband
HonkyDog
external usenet poster
 
Posts: 2
Default ADSL Gateway and server issues

Hi all, I've got a bit of a weird one - so any insights would most
definitely be gladly received :P

The issue is this, got a Thomson 510v4 router

PPPoA is set to 81.xxx.xxx.65 no PAT
eth0 is set to 10.0.0.1 no PAT

with the rest of my IP allocation added to the route table pointing to
eth0 - source ANY - (81.xxx.xxx.66 - 81.xxx.xxx.78)

There is a hub connect to the router with all my machines sitting at
the other end.

Cool this all works and I can see the IP's externally and internally
except for my Linux based Sun Cobalt Qube 3. I have added one of these
static IP's to the machine, but if I give it 10.0.0.1 as the gateway
(as is set up on my other 'normal' machines it cannot see anything
external or be connected to externally .

Qube IP info as follows:

Primary interface (only one currently active)

IP: 81.xxx.xxx.66
netmask.255.255.240
Gateway: 10.0.0.1

Now obviously the gateway is not part off or conform to the net mask
but this works on all my other machines (XP based) not on this one
though...

As you can probably guess I'm a bit confused. Do I need to add this
route to the NAPT? Surely not as I'm not using NAPT.... Am I pointing
to the wrong gateway IP (probably) but how do I ascertain if it's the
router or the Qube? Beyond the fact the other machines are OK

Hope someone can help

regards
HD


remove n05p4m__
egards
HD

----------------------------------------------------

To mail me directly remove the relevant words :P



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  #2  
Old July 7th 03, 06:05 PM posted to uk.telecom.broadband
Martin Cooper
external usenet poster
 
Posts: 4
Default ADSL Gateway and server issues

HonkyDog wrote:

snip

PPPoA is set to 81.xxx.xxx.65 no PAT
eth0 is set to 10.0.0.1 no PAT

snip
Primary interface (only one currently active)

IP: 81.xxx.xxx.66
netmask.255.255.240
Gateway: 10.0.0.1

Hi,
firstly, I have no idea why it works on XP, are you sure you haven't
added a static route ? Anyway, the problem is that as the address 10.0.0.1
is outside the netmask, linux will not be arping on the eth0 network to find
the router (which it needs to). To get it working, as root user run the
comand :-

route add 10.0.0.1 eth0

You will need to add this route to your startup files. Having this
additional route will tell linux that the 10.0.0.1 address is on the local
network, causing the kernel to arp for the router via eth0.

--
Martin
  #3  
Old July 8th 03, 07:35 AM posted to uk.telecom.broadband
HonkyDog
external usenet poster
 
Posts: 2
Default ADSL Gateway and server issues

On Mon, 7 Jul 2003 18:05:03 +0100, Martin Cooper
blurted out:


firstly, I have no idea why it works on XP, are you sure you haven't
added a static route ? Anyway, the problem is that as the address 10.0.0.1
is outside the netmask, linux will not be arping on the eth0 network to find
the router (which it needs to). To get it working, as root user run the
comand :-

route add 10.0.0.1 eth0

You will need to add this route to your startup files. Having this
additional route will tell linux that the 10.0.0.1 address is on the local
network, causing the kernel to arp for the router via eth0.


Martin thanks for this - I also got this from a Linux mate at work.
Although he also advised me to set all IP's to conform to the 10.0.0.x
range and then NAPT them to the externally facing IP's on the router.

I'll give both a try and see which is more flexible.

BTW, it appears that XP totally ignores the sub net mask - As I don't
even have it entered on this machine at the mo :P

regards
HD

egards
HD

----------------------------------------------------

To mail me directly remove the relevant words :P



----------------------------------------------------
 




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