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From: David Ahern <dsahern@gmail.com>
To: Maximilian Bosch <maximilian@mbosch.me>, netdev@vger.kernel.org
Subject: Re: VRF Issue Since kernel 5
Date: Sun, 5 Apr 2020 10:52:30 -0600	[thread overview]
Message-ID: <5e64064d-eb03-53d3-f80a-7646e71405d8@gmail.com> (raw)
In-Reply-To: <20200402230233.mumqo22khf7q7o7c@topsnens>

On 4/2/20 5:02 PM, Maximilian Bosch wrote:
> Hi!
> 
>> I do not see how this worked on 4.19. My comment above is a fundamental
>> property of VRF and has been needed since day 1. That's why 'ip vrf
>> exec' exists.
> 
> I'm afraid I have to disagree here: first of all, I created a
> regression-test in NixOS for this purpose a while ago[1]. The third test-case
> (lines 197-208) does basically what I demonstrated in my previous emails
> (opening SSH connetions through a local VRF). This worked fine until we
> bumped our default kernel to 5.4.x which is the reason why this testcase
> is temporarily commented out.

I do not have access to a NixOS install, nor the time to create one.
Please provide a set of ip commands to re-create the test that work with
Ubuntu, debian or fedora.


> After skimming through the VRF-related changes in 4.20 and 5.0 (which
> might've had some relevant changes as you suggested previously), I
> rebuilt the kernels 5.4.29 and 5.5.13 with
> 3c82a21f4320c8d54cf6456b27c8d49e5ffb722e[2] reverted on top and the
> commented-out testcase works fine again. In other words, my usecase
> seems to have worked before and the mentioned commit appears to cause
> the "regression".

The vyatta folks who made the changes will take a look.

  reply	other threads:[~2020-04-05 16:52 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-09  7:46 VRF Issue Since kernel 5 Gowen
2019-09-09  9:28 ` Alexis Bauvin
     [not found]   ` <CWLP265MB1554B902B7F3B43E6E75FD0DFDB70@CWLP265MB1554.GBRP265.PROD.OUTLOOK.COM>
2019-09-09 12:01     ` Alexis Bauvin
2019-09-09 19:43       ` Gowen
2019-09-10 14:22         ` Gowen
2019-09-10 16:36       ` David Ahern
2019-09-11  5:09         ` Gowen
2019-09-11 11:19           ` Gowen
2019-09-11 11:49             ` Gowen
2019-09-11 12:15               ` Mike Manning
     [not found]                 ` <CWLP265MB155485682829AD9B66AB66FCFDB10@CWLP265MB1554.GBRP265.PROD.OUTLOOK.COM>
     [not found]                   ` <CWLP265MB155424EF95E39E98C4502F86FDB10@CWLP265MB1554.GBRP265.PROD.OUTLOOK.COM>
2019-09-11 16:09                     ` David Ahern
2019-09-12  6:54                       ` Gowen
2020-03-10 20:47                 ` Maximilian Bosch
2020-03-12  1:06                   ` David Ahern
2020-04-01 18:16                     ` Maximilian Bosch
2020-04-01 19:18                       ` David Ahern
2020-04-01 20:35                         ` Maximilian Bosch
2020-04-01 20:41                           ` David Ahern
2020-04-02 23:02                             ` Maximilian Bosch
2020-04-05 16:52                               ` David Ahern [this message]
2020-04-08 10:07                                 ` Mike Manning
2020-04-08 15:36                                   ` David Ahern
2020-04-19 20:35                                   ` Maximilian Bosch
2019-09-11 16:53   ` David Ahern
2019-09-10 16:39 ` David Ahern
2019-09-11 17:02 ` David Ahern
2019-09-12  6:50   ` Gowen
2019-09-13 17:41     ` David Ahern

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