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From: Chris Hofstaedtler | Deduktiva <chris.hofstaedtler@deduktiva.com>
To: Proxmox VE user list <pve-user@lists.proxmox.com>
Subject: Re: [PVE-User] link down for network interface
Date: Thu, 8 Apr 2021 00:03:19 +0200	[thread overview]
Message-ID: <20210407220319.snhtabanjxcjfl6w@percival.namespace.at> (raw)
In-Reply-To: <CALt2oz58fYYZSGwgCMops2Phh2q9SiYmproaE-SrTwj2+Ozyvg@mail.gmail.com>

* Leandro Roggerone <leandro@tecnetmza.com.ar> [210407 17:25]:
> Hi guys ...
Please consider that more than one gender exists.

> Yesterday was working on my datacenter cabling my new proxmox network
> interfaces.
> I connected a network port to my mikrotik router.
> Before coming home I checked network linked condition and physically was ok
> , both leds blinking on both side , router and server nic. (eno1)
> Now , working remotely can see that server interface has no link.
> Very strange since interface at router is up.
> Any idea ? I never seen something similar (one side  link ok  and the other
> is down).

> root@pve2:~# ip link
[..]
> 4: eno1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq master vmbr2
> state DOWN mode DEFAULT group default qlen 1000
>     link/ether 40:a8:f0:2a:18:80 brd ff:ff:ff:ff:ff:ff
> 
> as you can see eno1 is down ... while can see link up on the other
> connected side.

You did not tell us the brand and make or driver of that network
card. Some Intel cards are known to be extremely picky about autoneg
and power save settings, (short) cables, etc.

Best luck,
Chris

-- 
Chris Hofstaedtler / Deduktiva GmbH (FN 418592 b, HG Wien)
www.deduktiva.com / +43 1 353 1707



  reply	other threads:[~2021-04-07 22:03 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-07 15:25 Leandro Roggerone
2021-04-07 22:03 ` Chris Hofstaedtler | Deduktiva [this message]
2021-04-09 11:20   ` Leandro Roggerone

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