I am lost.
I had a configuration with was working, but my usb WiFi doogle does not work anymore. The configuration which was working
Doogle on PC A with 2 ethernet cards. One connected to PC B: a laptop one connected to PC C
Now, The laptop PC B is connect to a wifi mobile. It works wlp2s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 192.168.43.115 netmask 255.255.255.0 broadcast 192.168.43.255
I set the ethernet interface "shared to other computers" enp3s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 10.42.0.1 netmask 255.255.255.0 broadcast 10.42.0.255
Now I am trying to connect this ethernet card to PC A From the network interface, It tried "shared to other computers" and "Automatic (DHCP)", but none of them allow me to make the connection (connecting for ever). Hence, I tried manually 10.42.0.5 255.255.255.0 It connected enp1s0 flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 10.42.0.5 netmask 255.255.255.0 broadcast 10.42.0.255
But the 2 computers do not talk together From PC B to PC A: ping 10.42.0.5 PING 10.42.0.5 (10.42.0.5) 56(84) bytes of data. From 10.42.0.1 icmp_seq=1 Destination Host Unreachable traceroute to 10.42.0.5 (10.42.0.5), 30 hops max, 60 byte packets 1 Sappho (10.42.0.1) 3068.823 ms !H 3068.691 ms !H 3068.614 ms !H route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 192.168.43.1 0.0.0.0 UG 600 0 0 wlp2s0 10.42.0.0 0.0.0.0 255.255.255.0 U 100 0 0 enp3s0 192.168.43.0 0.0.0.0 255.255.255.0 U 600 0 0 wlp2s0
From PC A to PC B: same behavior route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 10.42.0.0 0.0.0.0 255.255.255.0 U 100 0 0 enpls0 192.168.122.0 0.0.0.0 255.255.255.0 U 600 0 0 virbr0
For now all my tests to connect to PC C failed.
I expect that I clarify the situation
Sent: Saturday, March 01, 2025 at 10:38 PM From: "Samuel Sieb" samuel@sieb.net To: users@lists.fedoraproject.org Subject: Re: internal network
On 3/1/25 7:03 AM, Patrick Dupre via users wrote:
I have 2 PC A and B. Before A what connected to the world wireless and PC B was connected through an internet cable (wired). PC A lost its wireless connection. Now PC B is connected to the world through a telephone and I want to have PC A connected also through the same internet cable and access to the world.
On PC A I activated Automatic DHCP and on PC B and the internet card 10.42.0.1 shared to other computers (IP) It connects inet 10.42.0.1 netmask 255.255.255.0 broadcast 10.42.0.255
but PC B cannot connect (connection fails)
What am I doing wrong?
Your description is very unclear. PC B is connected through a telephone??
Assuming it's actually a normal ethernet connection to the internet, PC B will need two ethernet cards. I don't understand how you have it connected right now.
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