netdev - Re: [PATCH] net-icmp: make icmp{,v6} (ping) sockets available to all by default

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Message-ID: <20200509193225.GA372881@splinter>
Date:   Sat, 9 May 2020 22:32:25 +0300
From:   Ido Schimmel <idosch@...sch.org>
To:     Maciej Żenczykowski <zenczykowski@...il.com>
Cc:     David Ahern <dsahern@...il.com>,
        "David S . Miller" <davem@...emloft.net>,
        Linux Network Development Mailing List 
        <netdev@...r.kernel.org>
Subject: Re: [PATCH] net-icmp: make icmp{,v6} (ping) sockets available to all
 by default

On Sat, May 09, 2020 at 12:17:47PM -0700, Maciej Żenczykowski wrote:
> Argh.  I've never understood the faintest thing about VRF's.

:)

There are many resources that David created over the years. For example:

https://www.kernel.org/doc/Documentation/networking/vrf.txt
https://netdevconf.info/1.1/proceedings/slides/ahern-vrf-tutorial.pdf
https://netdevconf.info/1.2/session.html?david-ahern-talk

BTW, in the example it should be:

ip link set dev veth-blue up master vrf-blue

Instead of:

ip link set dev veth-blue up master vrf-red

(Obviously)