Voici les resultats des commandes lorsque l'ethernet est branché au demarrage et que la connexion fonctionne.
Je poste en edit dans quelques minutes après débranchage et rebranchage du cable (cas dans lequel la connexion ne marche pas donc).
(Edit effectué, voir ci-dessous.)
lspci
00:00.0 Host bridge: Intel Corporation Haswell-ULT DRAM Controller (rev 0b)
00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT Integrated Graphics Controller (rev 0b)
00:03.0 Audio device: Intel Corporation Haswell-ULT HD Audio Controller (rev 0b)
00:14.0 USB controller: Intel Corporation 8 Series USB xHCI HC (rev 04)
00:16.0 Communication controller: Intel Corporation 8 Series HECI #0 (rev 04)
00:1b.0 Audio device: Intel Corporation 8 Series HD Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 1 (rev e4)
00:1c.1 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 2 (rev e4)
00:1c.2 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 3 (rev e4)
00:1c.3 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 4 (rev e4)
00:1c.4 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 5 (rev e4)
00:1d.0 USB controller: Intel Corporation 8 Series USB EHCI #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation 8 Series LPC Controller (rev 04)
00:1f.2 SATA controller: Intel Corporation 8 Series SATA Controller 1 [AHCI mode] (rev 04)
00:1f.3 SMBus: Intel Corporation 8 Series SMBus Controller (rev 04)
08:00.0 Network controller: Broadcom Corporation BCM43142 802.11b/g/n (rev 01)
09:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 08)
0a:00.0 3D controller: NVIDIA Corporation GM108M [GeForce 840M] (rev a2)
lsusb
Bus 001 Device 004: ID 0a5c:216c Broadcom Corp.
Bus 001 Device 003: ID 064e:c341 Suyin Corp.
Bus 001 Device 002: ID 8087:8000 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 002: ID 090c:1000 Silicon Motion, Inc. - Taiwan (formerly Feiya Technology Corp.) Flash Drive
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
lsmod
Module Size Used by
rfcomm 69427 14
fuse 91371 3
nf_conntrack_netbios_ns 12665 0
nf_conntrack_broadcast 12527 1 nf_conntrack_netbios_ns
ip6t_rpfilter 12546 1
ip6t_REJECT 12939 2
xt_conntrack 12760 17
cfg80211 505401 0
ebtable_nat 12807 0
ebtable_broute 12731 0
bridge 116093 1 ebtable_broute
stp 12868 1 bridge
llc 13941 2 stp,bridge
ebtable_filter 12827 0
ebtables 30758 3 ebtable_broute,ebtable_nat,ebtable_filter
ip6table_nat 12974 1
nf_conntrack_ipv6 18738 10
nf_defrag_ipv6 34786 1 nf_conntrack_ipv6
nf_nat_ipv6 13213 1 ip6table_nat
ip6table_mangle 12700 1
ip6table_security 12710 1
ip6table_raw 12683 1
ip6table_filter 12815 1
ip6_tables 26809 5 ip6table_filter,ip6table_mangle,ip6table_security,ip6table_nat,ip6table_raw
iptable_nat 12970 1
nf_conntrack_ipv4 14656 9
nf_defrag_ipv4 12702 1 nf_conntrack_ipv4
nf_nat_ipv4 13199 1 iptable_nat
nf_nat 25180 4 nf_nat_ipv4,nf_nat_ipv6,ip6table_nat,iptable_nat
nf_conntrack 99369 10 nf_conntrack_netbios_ns,nf_nat,nf_nat_ipv4,nf_nat_ipv6,xt_conntrack,ip6table_nat,nf_conntrack_broadcast,iptable_nat,nf_conntrack_ipv4,nf_conntrack_ipv6
iptable_mangle 12695 1
iptable_security 12705 1
iptable_raw 12678 1
bnep 19543 2
x86_pkg_temp_thermal 14205 0
coretemp 13441 0
kvm 464964 0
uvcvideo 81014 0
btusb 32251 0
bluetooth 457530 32 bnep,btusb,rfcomm
videobuf2_vmalloc 13163 1 uvcvideo
snd_hda_codec_realtek 77660 1
videobuf2_memops 13161 1 videobuf2_vmalloc
videobuf2_core 57397 1 uvcvideo
snd_hda_codec_generic 67639 1 snd_hda_codec_realtek
v4l2_common 14543 1 videobuf2_core
snd_hda_codec_hdmi 51865 1
videodev 148380 3 uvcvideo,v4l2_common,videobuf2_core
snd_hda_intel 30479 7
uas 23215 0
snd_hda_controller 30786 1 snd_hda_intel
media 20906 2 uvcvideo,videodev
snd_hda_codec 131437 5 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_intel,snd_hda_controller
snd_hwdep 17650 1 snd_hda_codec
snd_seq 66362 0
iTCO_wdt 13480 0
iTCO_vendor_support 13419 1 iTCO_wdt
snd_seq_device 14136 1 snd_seq
snd_pcm 104234 4 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel,snd_hda_controller
hp_wmi 14017 0
sparse_keymap 13584 1 hp_wmi
rfkill 21980 5 cfg80211,hp_wmi,bluetooth
snd_timer 28778 2 snd_pcm,snd_seq
snd 80001 24 snd_hda_codec_realtek,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_seq,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel,snd_seq_device
hp_accel 26034 0
serio_raw 13434 0
bcma 50304 0
soundcore 14496 2 snd,snd_hda_codec
lis3lv02d 19682 1 hp_accel
mei_me 19527 0
input_polldev 14289 1 lis3lv02d
lpc_ich 21093 0
mei 86833 1 mei_me
hp_wireless 12637 0
mfd_core 13182 1 lpc_ich
i2c_i801 18146 0
shpchp 37040 0
vfat 21508 1
fat 69109 1 vfat
squashfs 48043 2
nouveau 1340938 0
i915 958755 6
mxm_wmi 12865 1 nouveau
ttm 84882 1 nouveau
i2c_algo_bit 13250 2 i915,nouveau
drm_kms_helper 93604 2 i915,nouveau
crct10dif_pclmul 14307 0
crc32_pclmul 13133 0
crc32c_intel 22094 0
drm 300858 7 ttm,i915,drm_kms_helper,nouveau
r8169 71639 0
ghash_clmulni_intel 13230 0
mii 13527 1 r8169
wmi 18820 3 hp_wmi,mxm_wmi,nouveau
video 19825 2 i915,nouveau
usb_storage 65065 2 uas
sunrpc 279333 1
loop 28197 10
nmcli device show
GENERAL.DEVICE: eno1
GENERAL.TYPE: ethernet
GENERAL.HWADDR: 8C:DC:D4:87:29:51
GENERAL.MTU: 1500
GENERAL.STATE: 100 (connected)
GENERAL.CONNECTION: Wired connection 1
GENERAL.CON-PATH: /org/freedesktop/NetworkManager/ActiveConnection/0
WIRED-PROPERTIES.CARRIER: on
IP4.ADDRESS[1]: ip = 192.168.1.99/24, gw = 192.168.1.254
IP4.DNS[1]: 192.168.1.254
IP4.DOMAIN[1]: lan
IP6.ADDRESS[1]: ip = fe80::8edc:d4ff:fe87:2951/64, gw = ::
GENERAL.DEVICE: lo
GENERAL.TYPE: loopback
GENERAL.HWADDR: 00:00:00:00:00:00
GENERAL.MTU: 65536
GENERAL.STATE: 10 (unmanaged)
GENERAL.CONNECTION: --
GENERAL.CON-PATH: --
IP4.ADDRESS[1]: ip = 127.0.0.1/8, gw = 0.0.0.0
IP6.ADDRESS[1]: ip = ::1/128, gw = ::
EDIT
Donc après débranchage et rebranchage du cable ethernet, et perte de la connexion, les seuls changements ont lieu pour la dernière commande
nmcli device show.
Au lieu de
GENERAL.STATE: 100 (connected)
GENERAL.CONNECTION: Wired connection 1
GENERAL.CON-PATH: /org/freedesktop/NetworkManager/ActiveConnection/0
WIRED-PROPERTIES.CARRIER: on
IP4.ADDRESS[1]: ip = 192.168.1.99/24, gw = 192.168.1.254
IP4.DNS[1]: 192.168.1.254
IP4.DOMAIN[1]: lan
IP6.ADDRESS[1]: ip = fe80::8edc:d4ff:fe87:2951/64, gw = ::
on a
GENERAL.STATE: 70 (connecting (getting IP configuration))
GENERAL.CONNECTION: Wired connection 1
GENERAL.CON-PATH: /org/freedesktop/NetworkManager/ActiveConnection/1
WIRED-PROPERTIES.CARRIER: on