| mapps | hi | 05:37 |
|---|---|---|
| brobostigon | morning boys and girls. | 08:06 |
| Azelphur | Question, has anyone here used the BT OpenReach fiber modems connected directly to a PC? | 13:35 |
| Azelphur | I am wanting to bypass my router to diagnose a fault | 13:35 |
| penguin42 | they run PPPoE don't they - never dealt with them | 13:38 |
| Azelphur | penguin42: yea they do | 13:43 |
| MartijnVdS | install a PPPoE client on the PC and that should then work | 14:28 |
| * penguin42 assumes NM can do that | 14:46 | |
| diddledan | Azelphur: I've done it with pfsense | 14:54 |
| Azelphur | MartijnVdS / diddledan having some luck, I have installed pppd, copied the pppd config from my router to the PC, dialed and got a ppp0 interface with the right IP address | 15:01 |
| Azelphur | buuuut, no internet connectivity. Ideas? | 15:01 |
| diddledan | do you have a default route assigned by pppd? (route -n) | 15:01 |
| Azelphur | diddledan, route -n reports a single row with iface ppp0 | 15:03 |
| diddledan | ok it's not put-in your ISP's gateway then I guess | 15:03 |
| Azelphur | although it has a gateway of 0.0.0.0, that doesn't sound right | 15:03 |
| Azelphur | hehe | 15:03 |
| Azelphur | well hmm, how does one fix that? | 15:03 |
| diddledan | your ppp config needs the flag "defaultroute" | 15:04 |
| Azelphur | diddledan, thanks, you're awesome :) | 15:06 |
| Azelphur | now I can see if my SSH issues persist with no router involved \o/ | 15:06 |
| diddledan | \o/ | 15:06 |
| Azelphur | I been debugging this ssh issue for MONTHS, I shit you not | 15:07 |
| Azelphur | been right down the rabbit hole, basically, after a while, all my ssh sessions (inc rsync and stuff) die after a while, according to some digging I did with an openssh developer, my packets are being modified somewhere, and the server is receiving a corrupt packet, and thus terminating the connection | 15:08 |
| Azelphur | hence removing the router from the equasion | 15:08 |
| diddledan | odd | 15:09 |
| diddledan | very very odd | 15:09 |
| diddledan | did he say what was being altered about your packets or leave that as an exercise for you to discern? | 15:10 |
| diddledan | see TCP can fragment packets for example but that shouldn't break anything | 15:10 |
| diddledan | it sounds intermittent and so it's gonna be a pain to decide whether you have truly eliminated something from the equation | 15:11 |
| Azelphur | diddledan, left it for me, although I do have the SSH loks | 15:12 |
| Azelphur | logs* | 15:12 |
| Azelphur | diddledan, well, I've never had a rsync work for more than 20 minutes | 15:12 |
| penguin42 | Azelphur: Have you tried adding a ServerAliveInterval to your ssh config? | 15:12 |
| Azelphur | so basically, if my connection doesn't drop within the hour, it's the router. | 15:12 |
| Azelphur | yes | 15:13 |
| penguin42 | hmm | 15:13 |
| Azelphur | and ClientAliveInterval, both at various values, and I've tried rsyncd (works fine) | 15:13 |
| Azelphur | and I've tried different client and server hardware and OSes | 15:13 |
| diddledan | it might be your ISP | 15:14 |
| diddledan | and you've already thought of your router. what else hasn't been eliminated....? I can't think of anything else | 15:15 |
| diddledan | maybe your NIC | 15:15 |
| Azelphur | can't be NIC - tried different hardware | 15:15 |
| Azelphur | (on both ends) | 15:15 |
| diddledan | kk | 15:15 |
| Azelphur | yea, really eliminates it to router or ISP | 15:15 |
| diddledan | or potentially the last mile | 15:16 |
| diddledan | something wonky with your line | 15:16 |
| Azelphur | indeed | 15:18 |
| Azelphur | I'm hoping it's the router | 15:18 |
| Azelphur | or possibly a dodgy switch | 15:18 |
| diddledan | if you can get a duplicate openreach modem thingy you can eliminate that as well | 15:18 |
| diddledan | I haven't looked to see how expensive they are though | 15:19 |
| daftykins | o0 | 16:13 |
| daftykins | i've got one of the openreach VDSL transceivers with modified firmware, don't use it but played around a bit - was £8 off ebay a bit ago :D | 16:13 |
| penguin42 | what's modified about it? | 16:15 |
| diddledan | rooted I guess | 16:15 |
| daftykins | the alternative firmware gives you better stats, also lets the thing use one of its' two ports for NAT so you can have it act as a wired only router instead of just a dumb modem | 16:16 |
| daftykins | it's the Huawei original vs. the BT branded and simplified, i think | 16:16 |
| daftykins | Azelphur: very anecdotal but i had an issue a while back where my connection would drop a couple of packets for *anything* for a couple of seconds every half hour or hour, or similar - i could spot it easiest with an internet radio stream + a tonne of pings running from my file server | 16:17 |
| daftykins | interestingly dropping the term 'packet loss' had me transferred off 1st line telco support to someone else, so eventually traced it to a faulty line card in the exchange | 16:18 |
| daftykins | i had pings running to google, the first hop in the data centre of my ISP that replied and the router - it showed the first two dropping a couple of packets but the last being fine | 16:28 |
| SebthreeBQM10HD | hi | 21:47 |
| SebthreeBQM10HD | anyone about? | 22:01 |
| m0nkey_ | Science has gone too far! https://i.imgur.com/w8hNyPx.jpg | 22:04 |
| daftykins | m0nkey_: :> | 22:35 |
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