On 07/23/2016 03:56 PM, Russell Senior wrote: >> Okay. I'm starting to try this. I have a Thinkpad X200 laptop talking to >> my Verizon Ellipsis 8 hotspot. >> >> I'm looking at how to set the X200 eth0 to static, so I can connect it >> to my Buffalo WZR 600 DHP router. From: >> >> http://askubuntu.com/questions/470237/assigning-a-static-ip-to-ubuntu-server-14-04-lts >> >> it recommends putting the following into /etc/network/interfaces, with >> addresses suited to my situation: >> >> __________________________________________ >> auto eth0 >> iface eth0 inet static >> address 10.253.0.50 >> netmask 255.255.255.0 >> network 10.253.0.0 >> gateway 10.253.0.1 >> dns-nameservers 8.8.8.8 >> __________________________________________ > You don't need the gateway or dns-nameservers. The laptop's default > gateway will be set by its wlan interface DHCP lease. > > So, just: > > auto eth0 > iface eth0 inet static > address 10.253.0.1 > netmask 255.255.255.0 > network 10.253.0.0
Good to know. > The network part (i.e. 10.253.0) should be different than what your > mobile hotspot is providing, and different than what your Buffalo is > providing. Otherwise, it can be anything in the 10.x.y.z range or > 192.168.x.y range that doesn't conflict. The .1 as the host part is > traditional for a gateway router (though tastes vary), which your laptop > is for the Buffalo. Right. I think I understand that one. Three different ranges. > You want to have an iptables rule on the laptop to do the NAT. Assuming > the wireless inteface is wlan0, then: > > iptables -t nat -I POSTROUTING -o wlan0 -j MASQUERADE > > That will handle the routing back to your Buffalo. Right. I remember reading that in your earlier e-mail. I just haven't gotten that far, yet. :-) > >> [...] I know I have to install isc-dhcp-server on the X200 before I >> can connect the router to it. > A simpler alternative is to log in to the Buffalo and give it a static > configuration on its WAN interface as well, for example: > > ip: 10.253.0.2 > netmask: 255.255.255.0 > gateway: 10.253.0.1 > dns: 8.8.8.8 (or whatever you like) Simple is better. Then I won't have to uninstall it after I don't need it anymore. I will have to remember to comment out the stuff I put in /etc/network/interfaces when this is no longer needed, though. I'll post a summary once I've got it working, although I may not get back to it until later tomorrow. Thanks for your help. -- Regards, Dick Steffens _______________________________________________ PLUG mailing list [email protected] http://lists.pdxlinux.org/mailman/listinfo/plug
