netdev - Re: Marvell switch port shows LOWERLAYERDOWN, ping fails

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Message-ID: <b5d1facd-470b-c45f-8ce7-c7df49267989@helixd.com>
Date:   Fri, 23 Jul 2021 11:36:00 -0700
From:   Dario Alcocer <dalcocer@...ixd.com>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     netdev@...r.kernel.org
Subject: Re: Marvell switch port shows LOWERLAYERDOWN, ping fails

On 7/23/21 11:25 AM, Andrew Lunn wrote:
>>> You probably don't want both ends of the link in rgmii-id mode. That
>>> will give you twice the delay.
>>
>> Ok, I'll change phy-mode to "rgmii" for both ends. It's a little confusing
>> that there's a reference to phy-mode at all, though, given the actual
>> connection is SERDES. My understanding is SERDES is a digital, PHY-less
>> connection.
> 
> Is it even RGMII? You say SERDES, so 1000BaseX seems more likely.
> 
>     Andrew
> 

Ah, I see, good point. I'll use "1000base-x" instead.