Home brew Linux Router reverting to 10.x.x.x address
Hello,
About a year ago I got fed up of the crappy speeds I was getting through my Netgear RP614 (V2) router, and as I had spare bits around I set up a computer as a router instead. I found a guide (which has since gone, alas) about using Fedora Core 4 as the OS. At this point it was just really proof of concept so I went along with it. Followed the guide through and ended up with much better speeds and no baulking of the modem when I fired up uTorrent. A year later (now) I got bored of the whine from the fans and decided to do the same thing again in minature. So I built a little baby mini-ITX machine based on an EPIA PD 6000E motherboard. Instead of a hard disk I've used a 4GB compact flash card and this time I opted for Fedora Core 6. I know this isn't the latest but Fedora 7 doesn't link my CF / CF-IDE combo. Anyway it was a fight getting it up and running (especially as the guide no longer exists) and it all works fine. For a while. I'm an old NTL customer with an STB. It's the Samsung SMT-2100C. So I had to go through the provisioning service. It was a fight to get the new box registered, but I put this down to the problems in DA7 last week (seemed it was on the service problems phoneline nearly all week). Today I thought I'd have another stab at using it. Rebooted the STB and it got a 10.x.x.x address. Rebooted the router and ended up with an 81.x.x.x address. Super. It was fine for a while, I was messing around trying to get upnp working on it, and then suddenly I was no longer getting webpages up. Check ifconfig and eth0 has got a bloody 10.x.x.x address again. This hasn't only happened today, it was happening last week as well, but as I said I thought that was the DA7 issues. So here's the weird thing. This hasn't happened with my Fedora Core 4 setup and that's being running beautifully for over a year now. I know there has been a bit of a leap between the FC4 & FC7. So is there a configuration issue here with maybe dhclient on the FC6 router? Any ideas of what I can try. I have done all the removing and re-registering about a thousand times, so I can't think it's that. I could try spoofing the Mac of the FC4 router but a) I don't know how to and b) I shouldn't really need to. I know it's a bit of a long shot posting on here, but I was wondering if any Linux Gurus out there have any ideas. I highly recommend the whole Linux box as a router idea though. The most noticeable difference was the latency drop on gaming servers. For UK ones I tend to get around 10ms when I was around 30ms on the same servers through the Netgear (yes I know latency isn't everything). It also just seems to be a bit snappier. Not to mention it can do other stuff like cache dns entries, be a web cache, sftp server, ntp server, web server etc etc. Ian |
Re: Home brew Linux Router reverting to 10.x.x.x address
I have an stb as well as the 20Mb sacm and the only time we ever have to go through the provisioning page(10.xx.xx.xx) for the stb is when i`ve stuck a new(to the stb) pc or nic on.I usually have to add a new name for the pc/nic(and delete an old one first as all 5 are used up):)
I`m certainlly not a guru but i do use linux as OS and as our router/gateway/firewall, although not a completely seperate box atm and just using my main desktop to supply the 20Mb to a little hub i have then on to the relevant rooms. Makes monitoring what my lot are up to a lot easier;) |
Re: Home brew Linux Router reverting to 10.x.x.x address
Thanks for the response.
Having to provision the once when I plugged the new linux box in was what I was expecting and I've never experienced this with anything before. I've been using broadband through an STB since 2002, when it came to my area, and I've been hanging a router off it quite soon after I got it. Infact the old RP114 is sitting on my shelf. That was when routers didn't have tons of plastic around them. It was great until I found that it didn't route UDP and therefore I couldn't use voip. Then came the move to RP614 then the FC4 :) To be honest of all the problems I was expecting, this wasn't one of them... |
Re: Home brew Linux Router reverting to 10.x.x.x address
Is the STB's internet connection stable? I had a load of problems yesterday when it kept dropping out and got exactly the symptoms you now describe of unallocated IP addresses, redirections to the STB provisioning page and such like.
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Re: Home brew Linux Router reverting to 10.x.x.x address
It could be that it was a coincidence that it started dropping IPs again, and it was an issue with VM, but as it happened the week before as well I was inclined to think it was the new FC6 box.
Saying that it took me a couple of attempts to get the old FC4 box to be recognized. Next week I am home alone so I'll have the opportunity to plug in the FC6 box and leave it and see if it all calms down. Unfortunately because I'm a linux newbie I'm unsure of what settings etc could mess things up! |
Re: Home brew Linux Router reverting to 10.x.x.x address
You'll only know if it's VM, or you, by running for a while without the FC4 / FC6 box.
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Re: Home brew Linux Router reverting to 10.x.x.x address
Try using Smoothwall. Its a custom-built linux router/firewall/OS specifically designed for this.
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Re: Home brew Linux Router reverting to 10.x.x.x address
Thanks a lot for all the responses.
I'm not a big fan of Smoothie. I've toyed with it in the past and it does a lot of stuff I don't want it to. As the FC4 box has been up again all day without a problem, and this hasn't happend with the FC4 box at all I'm still inclined to think something is up with the FC6 box. Thanks for all your suggestions. I'll have a play over the next few weeks and see how it goes. If it does turn out to be a config issue I'll keep you posted! Cheers |
Re: Home brew Linux Router reverting to 10.x.x.x address
More likely something wrong with your stb.
I gave smoothwall i try myself a while back but because i was trying to use a laptop with only one onboard nic i had tried to use an smcusb to ethernet adapter i have as the second network card.......it works fine between our stb and Ubuntu but i could never get smoothwall to see the thing. That was a while ago though and i never exactly put tooo much effort in at the time. All the "rtfm`s" going on over on their boards looked tempting mind you.:) |
Re: Home brew Linux Router reverting to 10.x.x.x address
try another distro maybe?
I have a machine running debian however its just acting as a server and not doing any routing so I don't know if its any good for that.. Its running Lenny/sid unstable atm (it was running etch but I decided to Apt-get dist-upgrade it to unstable because the unstable tree had some packages i wanted and I got fedup of trying to find backports to etch) Saying that Debian Unstable so far isn't I don't think its fallen over once yet. |
Re: Home brew Linux Router reverting to 10.x.x.x address
Interestingly it seems that it may have just been a glitch with VM and the DA7 area. I have had it up for over a day now and it's been happy as pie. I've rebooted it a couple of times and it still picks up a valid IP. So hopefully *fingers crossed* that should be that.
I even got upnp and linux-igd to compile and work properly :D |
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