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From: Andrew Lunn <andrew@lunn.ch>
To: Dario Alcocer <dalcocer@helixd.com>
Cc: netdev@vger.kernel.org
Subject: Re: Marvell switch port shows LOWERLAYERDOWN, ping fails
Date: Wed, 28 Jul 2021 23:09:36 +0200	[thread overview]
Message-ID: <YQHHkFLx4PW0vttJ@lunn.ch> (raw)
In-Reply-To: <11b81662-e9ce-591c-122a-af280f1e1f59@helixd.com>

> I did notice that the RJ45 link LED on each of the peer devices no longer
> light up. Previously, the LED was coming on. Perhaps it's time to check the
> following:
> 
> - confirm the network cable for each link peer is good
> - confirm each link peer works by connecting to a 100baseT or 1000baseT
> switch

ethtool --cable-test lan1

Needs a reasonably modern kernel and ethtool :-)

And i don't know if the internal PHYs in that switch actually support
it, and the PHY driver has the needed callbacks for that PHY model.

      Andrew

  parent reply	other threads:[~2021-07-28 21:09 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-22 22:55 Marvell switch port shows LOWERLAYERDOWN, ping fails Dario Alcocer
2021-07-23 13:41 ` Andrew Lunn
2021-07-23 18:21   ` Dario Alcocer
2021-07-23 18:25     ` Andrew Lunn
2021-07-23 18:36       ` Dario Alcocer
2021-07-23 21:58         ` Dario Alcocer
2021-07-24 17:34           ` Andrew Lunn
2021-07-25  2:26             ` Dario Alcocer
2021-07-25  2:36               ` Dario Alcocer
2021-07-27  1:39                 ` Dario Alcocer
2021-07-28 18:07                   ` Dario Alcocer
2021-07-28 18:23                     ` Andrew Lunn
2021-07-28 18:33                       ` Dario Alcocer
2021-07-28 19:24                         ` Andrew Lunn
2021-07-28 19:37                           ` Dario Alcocer
2021-07-28 20:47                             ` Andrew Lunn
2021-07-28 20:54                               ` Dario Alcocer
2021-07-28 21:09                             ` Andrew Lunn [this message]
2021-08-05 21:44                             ` Dario Alcocer
2021-08-06 16:03                               ` Dario Alcocer
2021-08-06 23:46                                 ` Dario Alcocer
2021-08-07 18:57                                   ` Andrew Lunn
2021-08-09 16:28                                     ` Dario Alcocer
2021-08-10 20:58                                       ` Dario Alcocer
2021-08-10 22:13                                         ` Andrew Lunn
2021-08-11 13:16                                           ` Dario Alcocer
2021-08-07 17:44                               ` Andrew Lunn

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