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Date:   Sun, 8 Mar 2020 20:22:05 -0600
From:   David Ahern <dsahern@...il.com>
To:     Donald Sharp <sharpd@...ulusnetworks.com>, netdev@...r.kernel.org,
        dsahern@...nel.org, roopa@...ulusnetworks.com,
        sworley@...ulusnetworks.com
Subject: Re: [PATCH] ip link: Prevent duplication of table id for vrf tables

On 3/7/20 1:59 PM, Donald Sharp wrote:
> Creation of different vrf's with duplicate table id's creates
> a situation where two different routing entities believe
> they have exclusive access to a particular table.  This
> leads to situations where different routing processes
> clash for control of a route due to inadvertent table
> id overlap.  Prevent end user from making this mistake
> on accident.

I get the pain, but it is a user management problem and ip is but one
tool. I think at most ip warns the user about the table duplication; it
can't fail the create.

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