我有 Ubuntu 16.04，有线连接随机断开。
我知道也有类似的问题。大多数答案和解决方案都建议下载正确的 realtek 驱动程序 (r8168) 并将 r8169 列入黑名单。
我已经尝试过了，但是没有用。
以下是几个命令的输出
sudo lshw -C 网络：
*-network
description: Ethernet interface
product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:03:00.0
logical name: enp3s0
version: 0c
serial: 40:8d:5c:de:1a:38
size: 1Gbit/s
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8168 driverversion=8.041.00-NAPI duplex=full ip=157.253.189.89 latency=0 link=yes multicast=yes port=twisted pair speed=1Gbit/s
resources: irq:27 ioport:ce00(size=256) memory:fd8ff000-fd8fffff memory:fdffc000-fdffffff
ifconfig-a：
enp3s0 Link encap:Ethernet HWaddr 40:8d:5c:de:1a:38
inet addr:157.253.189.89 Bcast:157.253.189.255 Mask:255.255.255.0
inet6 addr: fe80::a672:3bb8:b3e1:fb55/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:46280 errors:0 dropped:0 overruns:0 frame:0
TX packets:30716 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:31704375 (31.7 MB) TX bytes:4968347 (4.9 MB)
Interrupt:27 Base address:0x2000
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:130416 errors:0 dropped:0 overruns:0 frame:0
TX packets:130416 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:7132374 (7.1 MB) TX bytes:7132374 (7.1 MB)
更多/etc/resolv.conf：
# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
# DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
nameserver 157.253.79.100
nameserver 157.253.52.21
nameserver 127.0.1.1
search uniandes.edu.co
路线：
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
default host-1-189.unia 0.0.0.0 UG 100 0 0 enp3s0
lspci | grep -i eth
03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 0c)
dmesg | tail -f
1914.107781] r8168: enp3s0: link up
[ 1914.107843] IPv6: ADDRCONF(NETDEV_CHANGE): enp3s0: link becomes ready
[ 2390.147498] systemd[1]: snapd.refresh.timer: Adding 5h 29min 49.440572s random time.
[ 2390.288165] systemd[1]: snapd.refresh.timer: Adding 58min 15.402284s random time.
[ 2411.870373] ip_tables: (C) 2000-2006 Netfilter Core Team
[ 2411.885002] ip6_tables: (C) 2000-2006 Netfilter Core Team
[ 2424.596299] systemd[1]: snapd.refresh.timer: Adding 29min 4.436112s random time.
[ 2430.562408] show_signal_msg: 36 callbacks suppressed
[ 2430.562413] vpnagentd[17744]: segfault at 6d ip 00000000004658a4 sp 00007f612827cd20 error 6 in vpnagentd (deleted)[400000+9f000]
[ 2434.448505] systemd[1]: snapd.refresh.timer: Adding 2h 3min 37.434529s random time.