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nisto
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Joined: 29 Nov 2014
Posts: 52
Location: Magdeburg (Germany)

PostPosted: Thu Nov 24, 2016 2:12 pm    Post subject: ethernet Anschluss bekommt keinen link Reply with quote

Moin.

Ich bin von Kernel 3.14.58-gentoo-r1 -> 4.4.26-gentoo. Meine Schnittstelle eno1 hat eine IP Adresse, das Routing stimmt, aber ich bekomme keinen link.
Können sich die Treibereinstellungen verändert haben und ich muß manuell was umstellen?

Kernel 4.4.26-gentoo
Code:

ethtool eno1
Settings for eno1:
        Supported ports: [ TP ]
        Supported link modes:   10baseT/Half 10baseT/Full
                                100baseT/Half 100baseT/Full
                                1000baseT/Full
        Supported pause frame use: No
        Supports auto-negotiation: Yes
        Advertised link modes:  10baseT/Half 10baseT/Full
                                100baseT/Half 100baseT/Full
                                1000baseT/Full
        Advertised pause frame use: No
        Advertised auto-negotiation: Yes
        Speed: Unknown!
        Duplex: Unknown! (255)
        Port: Twisted Pair
        PHYAD: 2
        Transceiver: internal
        Auto-negotiation: on
        MDI-X: Unknown (auto)
        Supports Wake-on: pumbg
        Wake-on: g
        Current message level: 0x00000007 (7)
                               drv probe link
        Link detected: no


Kernel 3.14.58-gentoo-r1
Code:

ethtool eno1
Settings for eno1:
        Supported ports: [ TP ]
        Supported link modes:   10baseT/Half 10baseT/Full
                                100baseT/Half 100baseT/Full
                                1000baseT/Full
        Supported pause frame use: No
        Supports auto-negotiation: Yes
        Advertised link modes:  10baseT/Half 10baseT/Full
                                100baseT/Half 100baseT/Full
                                1000baseT/Full
        Advertised pause frame use: No
        Advertised auto-negotiation: Yes
        Speed: 100Mb/s
        Duplex: Full
        Port: Twisted Pair
        PHYAD: 2
        Transceiver: internal
        Auto-negotiation: on
        MDI-X: off (auto)
        Supports Wake-on: pumbg
        Wake-on: g
        Current message level: 0x00000007 (7)
                               drv probe link
        Link detected: yes
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firefly
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Joined: 31 Oct 2002
Posts: 4459

PostPosted: Thu Nov 24, 2016 2:20 pm    Post subject: Reply with quote

Was ist dein Problem?
Funktioniert das netzwerk als solches?
Wie bekommt das system für die Netzwerkkarte eine IP (per DHCP oder statisch konfiguriert)
_________________
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Ins Dunkel zu treiben und ewig zu binden
Im Lande Mordor, wo die Schatten drohn.
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nisto
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Joined: 29 Nov 2014
Posts: 52
Location: Magdeburg (Germany)

PostPosted: Thu Nov 24, 2016 5:16 pm    Post subject: Reply with quote

Ich habe die IP Adresse statisch vergeben. Da die Schittstelle den link nicht erkennt, habe ich keine Netzwerkzugang.

Wie kann ich das ändern?
Code:

Link detected: no
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mike155
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Joined: 17 Sep 2010
Posts: 1305
Location: Frankfurt, Germany

PostPosted: Thu Nov 24, 2016 9:02 pm    Post subject: Reply with quote

1) Heißt das Interface mit dem alten Kernel auch schon "eno1"? Oder noch "eth1"? Könnte es damit etwas zu tun haben? Was passiert, wenn der neue Kernel mit dem Kernel-Parameter "net.ifnames=0" gestartet wird?

2) Was zeigt "demsg | grep eno1" bzw. "dmesg | grep eth1" beim alten um beim neuen Kernel?

3) Ist die Gegenstelle (also der Switch) auch auf Auto-Negotiation eingestellt?
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nisto
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Joined: 29 Nov 2014
Posts: 52
Location: Magdeburg (Germany)

PostPosted: Fri Nov 25, 2016 6:49 am    Post subject: Reply with quote

1) die Bezeichung hat sich nicht geändert
3) beim alten Kernel gab es nie Probleme, vielleicht kann ich bei mir was ändern (Kernelparameter), da sich die Standarteinstellungen geändert haben.

Nach ein und aus stecken des Ethernetkabel bekomme ich einen link.

Code:

e1000e: eno1 NIC Link is Up 100 Mbps Full Duplex, Flow Control: None
[   97.339888] e1000e 0000:00:19.0 eno1: 10/100 speed: disabling TSO
[   97.339938] IPv6: ADDRCONF(NETDEV_CHANGE): eno1: link becomes ready
[  141.977091] e1000e: eno1 NIC Link is Down
[  197.057451] e1000e: eno1 NIC Link is Up 100 Mbps Full Duplex, Flow Control: None
[  197.057460] e1000e 0000:00:19.0 eno1: 10/100 speed: disabling TSO


Aber warum bei start des Systems nicht?
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nisto
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Joined: 29 Nov 2014
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Location: Magdeburg (Germany)

PostPosted: Fri Nov 25, 2016 10:24 am    Post subject: Reply with quote

Nun ging nach dem Neustart alles glatt, hab aber keine Änderungen vorgenommen.
Code:

sec12c49 ~ # dmesg | grep eth0
[    6.672379] e1000e 0000:00:19.0 eth0: registered PHC clock
[    6.672382] e1000e 0000:00:19.0 eth0: (PCI Express:2.5GT/s:Width x1) d4:be:d9:34:e0:04
[    6.672384] e1000e 0000:00:19.0 eth0: Intel(R) PRO/1000 Network Connection
[    6.672434] e1000e 0000:00:19.0 eth0: MAC: 10, PHY: 11, PBA No: 6011FF-0FF
[    6.888500] e1000e 0000:00:19.0 eno1: renamed from eth0
sec12c49 ~ # dmesg | grep eno1
[    6.888500] e1000e 0000:00:19.0 eno1: renamed from eth0
[   63.123296] IPv6: ADDRCONF(NETDEV_UP): eno1: link is not ready
[   84.331165] e1000e: eno1 NIC Link is Up 100 Mbps Full Duplex, Flow Control: None
[   84.331174] e1000e 0000:00:19.0 eno1: 10/100 speed: disabling TSO
[   84.331226] IPv6: ADDRCONF(NETDEV_CHANGE): eno1: link becomes ready
sec12c49 ~ # ethtool eno1
Settings for eno1:
        Supported ports: [ TP ]
        Supported link modes:   10baseT/Half 10baseT/Full
                                100baseT/Half 100baseT/Full
                                1000baseT/Full
        Supported pause frame use: No
        Supports auto-negotiation: Yes
        Advertised link modes:  10baseT/Half 10baseT/Full
                                100baseT/Half 100baseT/Full
                                1000baseT/Full
        Advertised pause frame use: No
        Advertised auto-negotiation: Yes
        Speed: 100Mb/s
        Duplex: Full
        Port: Twisted Pair
        PHYAD: 1
        Transceiver: internal
        Auto-negotiation: on
        MDI-X: off (auto)
        Supports Wake-on: pumbg
        Wake-on: g
        Current message level: 0x00000007 (7)
                               drv probe link
        Link detected: yes
sec12c49 ~ #
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