Ethernet connection not able to connect to default gatewayNot able to connect to local networkConflict between two network interfaces eth0 and eth1I can't connect to internet through wired connectionUbuntu 14.04 Ethernet Connectivity Issue on startupDual NIC not workingCannot find device “eth0”. Failed to bring up eth0VPN connects but no remote LAN accessI've managed to completely bork my network connection in 18.04Pages loading too long on new router (Ubuntu 18.04)NetworkManager GUI: How to affect a VLAN to an Ethernet Connection
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Ethernet connection not able to connect to default gateway
Not able to connect to local networkConflict between two network interfaces eth0 and eth1I can't connect to internet through wired connectionUbuntu 14.04 Ethernet Connectivity Issue on startupDual NIC not workingCannot find device “eth0”. Failed to bring up eth0VPN connects but no remote LAN accessI've managed to completely bork my network connection in 18.04Pages loading too long on new router (Ubuntu 18.04)NetworkManager GUI: How to affect a VLAN to an Ethernet Connection
.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;
My Ethernet connection started randomly dropping. When I try to disable and enable networking, the system is not able to request a DHCP IP address. When I ping the default gateway I get:
connect: Network is unreachable
ifconfig returns
enp3s15: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500`
inet6 fe80::1810:354a:f174:7106 prefixlen 64 scopeid 0x20<link>
ether 00:1d:7d:9c:7c:63 txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 704643030 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Local Loopback)
RX packets 429 bytes 27977 (27.9 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 429 bytes 27977 (27.9 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
Sometimes rebooting helps. Sometimes not.
This is really strange. This machine has been running forever with no issues like this.
networking ethernet troubleshooting
New contributor
add a comment |
My Ethernet connection started randomly dropping. When I try to disable and enable networking, the system is not able to request a DHCP IP address. When I ping the default gateway I get:
connect: Network is unreachable
ifconfig returns
enp3s15: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500`
inet6 fe80::1810:354a:f174:7106 prefixlen 64 scopeid 0x20<link>
ether 00:1d:7d:9c:7c:63 txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 704643030 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Local Loopback)
RX packets 429 bytes 27977 (27.9 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 429 bytes 27977 (27.9 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
Sometimes rebooting helps. Sometimes not.
This is really strange. This machine has been running forever with no issues like this.
networking ethernet troubleshooting
New contributor
add a comment |
My Ethernet connection started randomly dropping. When I try to disable and enable networking, the system is not able to request a DHCP IP address. When I ping the default gateway I get:
connect: Network is unreachable
ifconfig returns
enp3s15: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500`
inet6 fe80::1810:354a:f174:7106 prefixlen 64 scopeid 0x20<link>
ether 00:1d:7d:9c:7c:63 txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 704643030 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Local Loopback)
RX packets 429 bytes 27977 (27.9 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 429 bytes 27977 (27.9 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
Sometimes rebooting helps. Sometimes not.
This is really strange. This machine has been running forever with no issues like this.
networking ethernet troubleshooting
New contributor
My Ethernet connection started randomly dropping. When I try to disable and enable networking, the system is not able to request a DHCP IP address. When I ping the default gateway I get:
connect: Network is unreachable
ifconfig returns
enp3s15: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500`
inet6 fe80::1810:354a:f174:7106 prefixlen 64 scopeid 0x20<link>
ether 00:1d:7d:9c:7c:63 txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 704643030 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Local Loopback)
RX packets 429 bytes 27977 (27.9 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 429 bytes 27977 (27.9 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
Sometimes rebooting helps. Sometimes not.
This is really strange. This machine has been running forever with no issues like this.
networking ethernet troubleshooting
networking ethernet troubleshooting
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New contributor
New contributor
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