Thanks to all who took the time to help! And the winner is: ..... ME! Not because I found the solution but because I learned a lot, one of my computer problems was solved and I experienced the helpful spirit of the Mandrake and Linux community.
Details: I put all devices into the same subnet, following Bill Mullens advice: ** Bill Mullen (Samstag, 21. Juni 2003 07:59) > > ** Bill Mullen (Samstag, 21. Juni 2003 06:25) > > > > > I'd recommend putting them on the same subnet, using "Proxy ARP > > > with Subnetting". See the HOWTO at: > > > > > > http://www.linux.org/docs/ldp/howto/mini/Proxy-ARP-Subnet/index.h > > >tml > > > > > > To do this, you need to adjust the netmask of the usb0 interface, > > > so that the range it covers is a *subset* of the range that eth0 > > > uses, like so: > > > > > > Int. Network Netmask Broadcast > > > > > > eth0 192.168.0.0 255.255.255.0 192.168.0.255 > > > usb0 192.168.0.128 255.255.255.128 192.168.0.255 > > > > > > The IP of usb0 should be 192.168.0.129, and the PDA's can be > > > anything from 192.168.0.130 to 192.168.0.254. > > > > > > In /etc/sysctl.conf, you'll probably need: > > > > > > net.ipv4.ip_forward = 1 > > > net.ipv4.conf.default.rp_filter = 0 > > > net.ipv4.conf.all.proxy_arp = 1 > > > > > > And in /etc/sysconfig/network: > > > > > > FORWARD_IPV4=true > > That was done. Now I had: # /sbin/arp Address HWtype HWaddress Flags Mask Iface 192.168.0.1 ether xx:xx:xx:xx:xx:xx C eth0 192.168.0.200 ether xx:xx:xx:xx:xx:xx C usb0 (HWaddresses anonymised) route on desktop: ----------------- Destination Router Genmask Flags Metric Ref Use Iface 192.168.0.128 * 255.255.255.128 U 0 0 0 usb0 192.168.0.0 * 255.255.255.0 U 0 0 0 eth0 127.0.0.0 * 255.0.0.0 U 0 0 0 lo default 192.168.0.1 0.0.0.0 UG 0 0 0 eth0 route on PDA: --------------- Destination Router Genmask Flags Metric Ref Use Iface 192.168.0.0 * 255.255.255.0 U 0 0 0 usbf 127.0.0.0 * 255.0.0.0 U 0 0 0 lo default 192.168.0.129 0.0.0.0 UG 0 0 0 usbf Bill Mullen continued: > All I can think of is that the PDA's netmask should be > 255.255.255.128, and the PDA's network should read 192.168.0.128 > (matching usb0) ... I changed that in the PDA's /etc/sysconfig/network-scripts/ifcfg-usbf and then added 192.168.0.129 as default gateway again. That was it! Only had to add 192.168.0.1 as nameserver into PDA's /etc/resolv.conf and Like A Bat Out Of Hell I'll be Gone into the internet! Thanks to all, also to those whose advice I did not follow. Your advice is saved for future reference. wobo -- Public GnuPG key available at http://www.wolf-b.de/misc
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