[svlug] Network Address Translation

Terrio Echavez terrio at tahanan.net
Sun Oct 15 19:56:02 PDT 2000


Thank you very much for your support.  Yes, yes, yes, DNS was the problem and
placing the correct DNS on the Thinkpad allowed the Thinkpad to surf the web at
DSL speeds.  The problem is solved.  I am happy.  Thank you again.

Best regards,

Terrio Echavez

On Sun, 15 Oct 2000, Ray Olszewski wrote:
> Your question is a bit difficult for me to follow -- I especially am
> confused by your very last sentence -- so please accept my apologies if this
> advice is off target.
> 
> It appears that you do not have any problems with NAT. What you do have is a
> DNS problem. Let me be sure I understand your network setup:
> 
>         ThinkPad <--------------->Linux Router<------------>Internet
>         SuSE 7.0     Ethernet     SuSE 7.0/RP    DSL Line
> 
> The ThinkPad needs to have in its /etc/resolv.conf file the addresses of DNS
> servers that will resolve real FQDNs on the Internet. This can be a DNS
> forwarder running on the router or whatever DNS server addresses you have
> from your provider (or anything else that works, though it is at the least
> impolite to use someone else's DNS server withot permission).
> 
> What usually happens in these setups is that you somehow get the right DNS
> server in /etc/resolv.conf on the router, but not on hosts behind the
> router. This is a commonplace problem with DHCP leases on routers, and I'll
> bet it comes up with PPPoE as well. Hence the router itself can resolve
> outside hostnames, but the workstations cannot.
> 
> At 03:42 PM 10/15/00 -0700, Terrio Echavez wrote:
> >Hello,
> >
> >I got a working ADSL working on my desktop using Roaring Penguin with a home
> >ethernet network with my IBM Thinkpad both using SuSE Linux 7.0.  I do have IP
> >Masquerading established but I need help with the subject Network Address
> >Translation for my Netscape sessions on my Thinkpad.
> >
> >At this point if I enter IP addresses such as http://202.58.118.8/ I
> >immediately arrive at http://www.suse.com on my Thinkpad almost at DSL speed
> >through the ethernet line.  As we all know, it is tedious and a pain to
> >memorize all the static addresses out there which change from time to time and
> >of course the links do not work unless the links have static addresses as well.
> >
> >Can someone point me to the right direction to get the subject translation to
> >happen when the domain name is input in my Thinkpad.  Of course, I have no
> >problem with my desktop in translating domain names.
> >
> 
> 
> --
> ------------------------------------"Never tell me the odds!"---
> Ray Olszewski                                        -- Han Solo
> Palo Alto, CA           	 	         ray at comarre.com        
> ----------------------------------------------------------------
-- 
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