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Listeners only > receive NETCONFA_IFINDEX without the new value, and RTM_GETNETCONF > replies and dumps omit it as well. > > Also send a notification when disabling all.forwarding resets > force_forwarding on an interface, which previously happened silently. > > Fixes: f24987ef6959 ("ipv6: add `force_forwarding` sysctl to enable per-interface forwarding") Fixes tag on net-next is only valid when the blamed commit is only in net-next, but maybe Paolo / Jakub will agree to strip it, so wait with v3. > Signed-off-by: Gabriel Goller Reviewed-by: Ido Schimmel There's a report from Sashiko [1] about a pre-existing issue: all.force_forwarding not being cleared when all.forwarding is cleared. # ip link add name dummy1 type dummy # sysctl -wq net.ipv6.conf.all.forwarding=1 # sysctl -wq net.ipv6.conf.all.force_forwarding=1 # sysctl -wq net.ipv6.conf.all.forwarding=0 # sysctl net.ipv6.conf.dummy1.force_forwarding net.ipv6.conf.dummy1.force_forwarding = 0 # sysctl net.ipv6.conf.all.force_forwarding net.ipv6.conf.all.force_forwarding = 1 [1] https://netdev-ai.bots.linux.dev/sashiko/#/patchset/20261104-ipv6_add_netconfa-v2-1-6f660990062f@proxmox.com