I use Ubuntu and I love Network Manager. I can set multiple profiles for wired connections and more profiles for wireless connections. I can set multiple profiles with different static IPs for each one. It is wonderful. May be you should try.
Kind Regards, Marcos 2014-11-05 20:27 GMT-02:00 Michael Tria <[email protected]>: > I have a fondness for wired connections whenever possible. I think it makes > a network faster, and more secure. Additionally there are almost always one > or more dead spots in a home. This can be easily and cheaply resolved at > work, but I am not sure how a home net-worker would take it. > > I also prefer static IP addresses to any variety of DHCP, although it is > desirable to keep a 20-30 node range for DHCP, to allow testing and rapid > installation of a system. Of course I have quite a few embedded systems all > over the house, and they perform a variety of chores which are often > dependent upon values obtained from another box in the house. Internal DNS > resolution and or direct IP addressing can help make sure that > communications between PCs are rock solid. > > Original MAC-IDs are reputed to be world unique, but almost all cards and > routers provide mechanisms for spoofing MAC-IDs. I understand there are ways > of testing to see if the MAC-ID is original, but avoiding being dependent on > MAC-IDs would seem to make the system safer, and less likely to corruption. > > Of course every-bodies situation is different. Wiring ethernet cables may > not be feasible. You may have landlord problems, or physical difficulties. I > live in my own house, and have access to almost all of the first floor from > the basement, and have wiring to the important parts of the second floor. > And I have a lot of embedded computers like Pi's, UDOO's, PCDuino's and more > because I like to play with them, and the data they capture. > > Best wishes, > Michael > > On Wed, Nov 5, 2014 at 4:28 PM, Bob Proulx <[email protected]> wrote: >> >> Brian Flaherty wrote: >> > Like many, I have a laptop that I use in multiple settings: >> > - home wired >> > - home wireless >> > - work wired >> > - work wireless >> > - roaming around (hotels, coffee shops, airports etc.) >> >> Me too. >> >> > Right now, I used wicd, but I get different IPs at home whether I'm on >> > wired >> > or wireless. >> >> Each interface will have a different and unique ethernet MAC address. >> The DHCP server will see each of those interfaces as a different >> identity based upon the different ethernet address. This is as per >> standard practice for dhcp servers. This is why your different >> interfaces are getting different IP address assignments. And if you >> had both wired and wifi connected at the same time with the same >> ethernet address it would cause routing confusion. So this is all >> good and by design. >> >> > I'd like to set a static wired IP at home, but use dhcp wired >> > at work. >> >> > What do others do now with these sort of use patterns? Is whereami what >> > I >> > should learn to use? All the files refer to old kernels, APM, etc. Does >> > it >> > matter that it is not new? >> >> As others have suggested you should instruct your dhcp server to >> allocate the desired address. Keep your interface using dhcp both >> places. At your home configure a static address for that dhcp >> ethernet address. Different dhcp servers call it different things. >> Some home routers call it a dhcp reservation. Others call it >> different things. But they should all have a way to configure that a >> particular ethernet address is always allocated the same IP address. >> >> If you do that then you will always get the same IP address at home >> and will get a dynamic address at work and other places. Easy. >> >> If you want the same IP address on both wifi and wired that is a >> little more interesting because they will have different ethernet >> addresses. If you promise not to connect both of them at the same >> time then I would set the same ethernet address on both of them. I >> didn't test this so no guarantee but I think it would be worth a try >> to try this: >> >> $ cat /etc/network/if-pre-up.d/set-ethernet-mac-address >> #!/bin/sh >> address=so:me:ad:dr:es:sh:ere >> ip link set $IFACE up address $address >> >> That will set the ethernet address when the device comes up. If you >> set the same ethernet address for both eth0 and wlan0 then both of >> those should negotiate the same address from your home router. >> >> Note again that I didn't test the above so beware of problems that I >> didn't anticipate. >> >> > I found this page about netscheme.py: >> > >> > http://www.shallowsky.com/linux/networkSchemes.html >> > >> > I have to type with this one, whereas whereami sounds like it works in >> > the >> > background. >> > >> > I did also page through many months of debian-laptop, looking for >> > threads >> > about this, but nothing jumped out at me. >> >> There are many different strategies all quite different all with the >> same goal. >> >> What I do is I set up OpenVPN on my laptop. On the VPN network I >> assign a static IP address. My laptop always has a static address on >> my VPN network and therefore the dynamically assigned IP address no >> longer matters to me. My router is also a Debian system and both it >> and my mobile devices can easily run OpenVPN. >> >> Bob > > -- Marcos Alano [email protected] -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected] Archive: https://lists.debian.org/CAO3Us=n=w4ur-+g1tcjt0mj1plumatjyf3o+-vaxha6kdwr...@mail.gmail.com

