Sorry for the slightly confusing subject... but please read on :) and
sorry for the looooong mail.

I have a Sahrp Zaurus SL5500 flashed with Openzaurus 3.5.3. I googled on
getting it connected to my PC running FC4. I go online via Hathway cable
internet. I connect the zaurus to the PC via the usb cradle. This is the
output in /var/log/messages:
---------------------------------
Sep 18 21:04:55 carbon kernel: usb 3-2: new full speed USB device using
uhci_hcd and address 2
Sep 18 21:04:57 carbon kernel: usb0: register usbnet at
usb-0000:00:1d.1-2, Sharp Zaurus SL-5x00, ce:a7:d6:df:73:2b
Sep 18 21:04:57 carbon kernel: usbcore: registered new driver usbnet
----------------------------------

This is how I go about it:

The Zaurus has an IP address of 192.168.129.201. I have the following in
/etc/sysconfig/network-scripts/ifcfc-usb0
------------------------
DEVICE=usb0
ONBOOT=no
BOOTPROTO=none
BROADCAST=192.168.129.255
IPADDR=192.168.129.1
NETMASK=255.255.255.0
NETWORK=192.168.129.0
NOZEROCONF=yes
USERCTL=no
PEERDNS=no
TYPE=Unknown
IPV6INIT=no
NOZEROCONF=yes
-----------------------

Then, I have a script in /usr/local/bin like this:
--------------------------
#!/bin/bash

zIface=usb0
zIfaceIP=192.168.129.1
zIP=192.168.129.201

/sbin/ifconfig $zIface $zIfaceIP netmask 255.255.255.0 up
/sbin/route add -host $zIP $zIface

echo 1 > /proc/sys/net/ipv4/ip_forward
iptables  -t nat -F
iptables -t nat -A POSTROUTING -o eth1 -j MASQUERADE
--------------------------------------

This is what ifconfig gives me:
-----------------------------------
eth0      Link encap:Ethernet  HWaddr 00:13:20:24:D3:9C
          inet addr:202.88.160.189  Bcast:202.88.160.191
Mask:255.255.255.224
          inet6 addr: fe80::213:20ff:fe24:d39c/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:18445 errors:0 dropped:0 overruns:0 frame:0
          TX packets:408 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:1254752 (1.1 MiB)  TX bytes:53969 (52.7 KiB)

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:1183 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1183 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:1235108 (1.1 MiB)  TX bytes:1235108 (1.1 MiB)

usb0      Link encap:Ethernet  HWaddr CE:A7:D6:DF:73:2B
          inet addr:192.168.129.1  Bcast:192.168.129.255
Mask:255.255.255.0
          inet6 addr: fe80::cca7:d6ff:fedf:732b/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:4 errors:0 dropped:0 overruns:0 frame:0
          TX packets:13 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:248 (248.0 b)  TX bytes:766 (766.0 b)
--------------------------------------------

I can ping 192.168.129.1 from the zaurus and I can ping 192.168.129.201
from my desktop. I suppose this means that I have a two connection working.

This is what route gives me after running the above script:
--------------------------------------
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use
Iface
192.168.129.201 *               255.255.255.255 UH    0      0        0
usb0
202.88.160.160  *               255.255.255.224 U     0      0        0
eth0
192.168.129.0   *               255.255.255.0   U     0      0        0
usb0
169.254.0.0     *               255.255.0.0     U     0      0        0
eth0
default         202.88.160.161  0.0.0.0         UG    0      0        0
eth0
------------------------------------------

Now to my problem :) 

I can't ping anywhere other than my desktop from the zaurus. I am running
a caching nameserver on my desktop. On the zaurus I have tried giving
192.168.129.1 for the dns number. I have even tried using the hathway and
also the vsnl dns nameservers with no success. I have 192.168.129.1 (the
ip of the desktop) as the gateway.

I always get a message saying: Host name lookup failure. This seems to me
like a dns problem. Can someone please help ? Please ... I want this
working before I plonk down for a wi-fi card for the zaurus and my
desktop.

regards,

Sharukh.
-- 
Dr. Sharukh K. R. Pavri.                        Homoeopath, Linuxer.
  There are 10 kinds of people in the world: those who understand
                    binary, and those who don't.


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