Let's check if nftables improved that. Either we can do it easily now, or we'll close this as wontfix, if Linux just doesn't implement feasible RPF as per the RFC.
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Aug 12 2025
Decided to set:
minimum value for main-heap-size -1G
default for main-heap-page-size - 2M
minimum and default value for statseg size - 128M
Aug 11 2025
The issue is also present in Stream Q2 image and rolling.
Since its a generate command, could the output also include the maths behind selected values?
@nicolasberens Raising PR https://github.com/vyos/vyos.vyos/pull/430 to make vyos_config and cliconf less greedy
Aug 10 2025
I have implemented this and created the following pull requests:-
Hi @nicolasberens
That is interesting - when I use rule 5 for example - there is also no change
Aug 9 2025
My €0.05 in this topic is if the "ipv6 address autoconf" should instead be named "ipv6 address slaac" since after all the feature is named "stateless address autoconfiguration" aka slaac and not necessary "autoconf". But I think its a matter of taste if it should be called "autconf" or "slaac".
@c-po if I understand you correctly, for 1.4.4, you are going to make a migration file that looks for interfaces that have only:
@ryanzuwala I think of a change in 1.4.4 which requires config migration. So if one has a working config in 1.4.2 that is "invalid" as it lacks the "ipv6 address autoconf" node - the migrator will add it to restore previous behavior AND have all CLI nodes in place to be a good internet citizen.
Re-opened for 1.4.4 backport
Aug 8 2025
In T7646#231848, @ryanzuwala wrote:@josha I agree with you. Perhaps it should be like this?
- ipv6 address autoconf - accept RAs and do whatever M and O flags tell it to do
- ipv6 address dhcpv6 - DCHPv6 without RAs, determine default route from neighbor discovery (possibly using the functionality in @josha script above)
- ipv6 address dhcpv6 no-default-gateway - DHCPv6 without RAs, must configure default route separately if needed
- ipv6 address xx:xx:xx.... - Static IP