linux-kernel - Re: sysctl, argument parsing, possible bug

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Date:   Tue, 1 Aug 2017 14:27:37 -0700
From:   Cong Wang <xiyou.wangcong@...il.com>
To:     Massimo Sala <massimo.sala.71@...il.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Linux Kernel Network Developers <netdev@...r.kernel.org>
Subject: Re: sysctl, argument parsing, possible bug

On Tue, Aug 1, 2017 at 1:47 PM, Massimo Sala <massimo.sala.71@...il.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.