I don’t recall making any network setting changes on the computer or router before this happened. Rebooting (many times over the course of today while trying to fix this).Connecting to my Android phone set to USB tethering, which did show up as an ethernet interface but had the same behavior as the normal ethernet interface (as described above).Looking through the dmesg logs to see if there was some error or warning (I didn’t find anything).Starting and restarting various network-related services.Deleting the network configuration files in /etc/NetworkManager/system-connections/.Unblocking the interface with rfkill (wasn’t necessary, according to rfkill list).Delete /etc/nf and restart network service / restart NetworkManager / reboot.This isn’t an exhaustive list, since I’ve been trying for 8 hours and didn’t keep track of everything. I’m happy to give any other output that anyone wants, but that’s the obvious one that comes to mind. Notably, the router lists the computer as connected. Ping: : Temporary failure in name resolution PING localhost(localhost (::1)) 56 data bytesġ0 packets transmitted, 0 received, 100% packet loss, time ping -c10 When I try to ping my router, localhost, and a website (I had to manually copy this ping -c10 192.168.1.1 When I try to use Firefox (or connect to the VPN I use for work), it just hangs, trying to connect, until it gives up. However, after a few seconds the menu shows the connection as “limited connectivity”. I can use the menu in the bottom bar to connect to my router via Wifi, and the same menu shows a successful connection if I plug in an ethernet cable. Today, though, I lost an entire day trying to fix the network interfaces, which have stopped working. Close the command prompt to complete this activity.I’m on OpenSUSE Tumbleweed 20201216, and I’ve been using this installation with only occasional small issues since 2018.If you see replies indicating success, you have Internet connectivity and IPv6 host name resolution. To test Internet connectivity with IPv6 host name resolution: is the IPv6-only host name of Google's web servers. If you see replies indicating success, you have IPv6 Internet connectivity.Īctivity 9 - Ping an Internet Host by IPv6 Name If you see replies indicating success, you have Internet connectivity and host name resolution.Īctivity 8 - Ping an Internet Host by IPv6 Address Ģ001:4860:4860::8888 is the IPv6 address of one of Google's public DNS servers. To test Internet connectivity with host name resolution: is the host name of one of Google's public DNS servers. If you see replies indicating success, you have Internet connectivity.Īctivity 7 - Ping an Internet Host by Name If you see replies indicating success, you have local network connectivity.Īctivity 6 - Ping an Internet Host by IPv4 Address Ĩ.8.8.8 is the IPv4 address of one of Google's public DNS servers. For example, if the default gateway address was 192.168.1.1, you would type ping 192.168.1.1. Type ping where is the default gateway address displayed above.Use ipconfig to display the default gateway address.Then press Enter.Īctivity 5 - Ping the Default Gateway For example, if the host name was host1, you would type ping host1. Type ping where is the Host Name IPv4 address displayed above.Use ipconfig /all to display the host name.Then press Enter.Īctivity 4 - Ping the Host Name Type ping where is the IPv4 address displayed above.Use ipconfig to display the host IP address. This is an alias for the loopback address:Īctivity 3 - Ping the Host IPv4 Address To test host name cache resolution, ping the name localhost. You should see replies indicating success.Īctivity 2 - Ping Localhost To test whether or not TCP/IP is functioning on the local host, first ping the loopback address 127.0.0.1: These activities will show you how to use the ping command to ping a host.Īctivity 1 - Ping Loopback Address The command to ping a host is ping, where is the host name or IP address of the host you want to ping.
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