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NixOS Networking

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Declaratively manage your switching, routing, wireless, tunneling and more.275 Servers

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17 Aug 2021
@janne.hess:helsinki-systems.dedas_jBetter than nothing16:56:59
@linus.heckemann:matrix.mayflower.deLinux Hackermannot much more than evaluating the system or stuff like that in any case16:57:31
@andi:kack.itandi-It isn't slower than a regular build for me.17:10:19
@andi:kack.itandi-Like maybe a second?17:10:32
@andi:kack.itandi-That is on proper hardware and not on a constrained GitHub Actions runner or such crap.17:10:54
@andi:kack.itandi-
In reply to @nixinator:nixos.dev
where can i read about flow offloading?
In the linux source code :)
17:11:11
@nixinator:nixos.devnixinator
In reply to @andi:kack.it
In the linux source code :)
currently accessing....
17:12:34
@andi:kack.itandi-For that to work you have to use flowtables. You can do you regular IPv4 NAT with those IIRC. I've yet to migrate my configuration to that.17:13:36
@andi:kack.itandi-https://www.kernel.org/doc/html/latest/networking/nf_flowtable.html17:15:12
@eyjhb:eyjhb.dkeyJhb
In reply to @janne.hess:helsinki-systems.de
Because it spawns a VM for every simple firewall change? That feels kind of wasteful and slow
I wouldn't say wasteful, but maybe slow. But it doesn't take long. as andi said it is maybe a sec or so :) So 100% worth it.
17:50:34
@eyjhb:eyjhb.dkeyJhbNot sure I can time it... As I am not sure the actual evaluation time of vim17:50:53
@eyjhb:eyjhb.dkeyJhb * Not sure I can time it... As I am not sure the actual evaluation time of nix17:50:56
@eyjhb:eyjhb.dkeyJhbSo, so basic not very good tests says it adds 2.8s 18:00:36
@eyjhb:eyjhb.dkeyJhbWhich I think is fairly reasonable :p And the nft check is what takes 0.768 s actually18:01:19
@eyjhb:eyjhb.dkeyJhbSo about 2,07 sec :) 18:01:51
18 Aug 2021
@esac:matrix.orgp10r left the room.00:40:04
@piper:lutris.engineeringPiper McCorkle (she/her or they/them) changed their display name from Piper McCorkle to Piper McCorkle (she/her or they/them).07:12:42
@janne.hess:helsinki-systems.dedas_j That's really a lot faster than I was expecting. Andreas Schrägle would you be in favour of that change? 10:14:30
@andreas.schraegle:helsinki-systems.deAndreas SchrägleSure, considering the eval time of some of our hosts.10:25:22
@eyjhb:eyjhb.dkeyJhbHow many hosts do you have ? Curious of where you want to use it :)10:34:24
@janne.hess:helsinki-systems.dedas_j
In reply to @eyjhb:eyjhb.dk
How many hosts do you have ? Curious of where you want to use it :)
Hydra is currently evaluating 64 hosts + some ISOs, images, tests + all 64 hosts again on unstable channels
10:53:40
@janne.hess:helsinki-systems.dedas_jWe are using nft as a not-so-drop-in-replacement for networking.firewall10:53:52
@eyjhb:eyjhb.dkeyJhbNice! Would be cool if we same day use nftables for networking.firewall10:58:11
@janne.hess:helsinki-systems.dedas_jOur interface is 0% compatible because we… I honestly don't remember anymore. It's a lot more complex, the code is a lot less readable but it's more powerful. So it's not really a drop-in replacement11:01:19
@janne.hess:helsinki-systems.dedas_j If you are interested, these are the options 11:01:39
@eyjhb:eyjhb.dkeyJhb
In reply to @linus.heckemann:matrix.mayflower.de
why not?

Bøf

The Danish way of doing jinx btw. because we both said "why not?" :)

13:07:59
@eyjhb:eyjhb.dkeyJhb
In reply to @linus.heckemann:matrix.mayflower.de
why not?
*

Bøf

The Danish way of doing jinx btw. because we both said "why not?" :) (not that you asked)

13:08:07
@linus.heckemann:matrix.mayflower.deLinux Hackerman
In reply to @eyjhb:eyjhb.dk

Bøf

The Danish way of doing jinx btw. because we both said "why not?" :) (not that you asked)

That was my first guess :D
14:35:41
@eyjhb:eyjhb.dkeyJhb
In reply to @linus.heckemann:matrix.mayflower.de
That was my first guess :D
Haha, it translates into "beef" 😅 However I should note some do "smølf" as well, which is a smurf. 🙃
14:47:08
@andi:kack.itandi- das_j: you are downloading the option list twice in your options search 14:52:03

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