Do you confirm it is a sysctl parsing bug ? Bosybox handles these cases, so I think also standalone sysctl have to.
Or at least someone must update sysctl docs / MAN about this. Best regards, Sala On 01/08/2017, Cong Wang <xiyou.wangc...@gmail.com> wrote: > On Tue, Aug 1, 2017 at 1:47 PM, Massimo Sala <massimo.sala...@gmail.com> > wrote: >> cat /proc/sys/net/ipv4/conf/eth0.100/forwarding >> 0 >> >> sysctl net.ipv4.conf.eth0.100.forwarding >> error: "net.ipv4.conf.eth0.100.forwarding" is an unknown key >> > > Use echo instead, sysctl doesn't understand eth0.100 > is a netdev name, sigh. >