Re: ACRN Networking problem
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Hi Jianjie,
Can you send us the output of “ip a” after a reboot, confirm whether you have internet access and then the same output after launching the User VM?
You don’t have any IP address (IPv4) assigned to your bridge below, that’s where the problem is coming from but I do not know why you don’t have such IP address assigned to it. Are you using DHCP on your network or are you using statically assigned IP addresses?
Thanks, Geoffroy
From: acrn-users@... <acrn-users@...>
On Behalf Of Jianjie Lin
Sent: Tuesday, September 14, 2021 2:54 pm To: acrn-users@... Subject: [acrn-users] ACRN Networking problem
Hi Acrn community,
I just faced another problem in terms of networking. I follow the tutorial from the document by using Enable network sharing for the User VMIn the Ubuntu Service VM, enable network sharing for the User VM: $ sudo systemctl enable systemd-networkd
$ sudo systemctl start systemd-networkd
and the ifconfig I got is:
acrn-br0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet6 fe80::502a:fbff:fe20:e829 prefixlen 64 scopeid 0x20<link> ether 52:2a:fb:20:e8:29 txqueuelen 1000 (Ethernet) RX packets 259 bytes 28200 (28.2 KB) RX errors 0 dropped 3 overruns 0 frame 0 TX packets 35 bytes 8894 (8.8 KB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
enp1s0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500 ether b0:41:6f:03:c6:1a txqueuelen 1000 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 device memory 0xa1200000-a121ffff
enp2s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 ether b0:41:6f:03:c6:1b txqueuelen 1000 (Ethernet) RX packets 259 bytes 31826 (31.8 KB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 35 bytes 8894 (8.8 KB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 device memory 0xa1100000-a111ffff
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 119 bytes 9331 (9.3 KB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 119 bytes 9331 (9.3 KB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
tap0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500 ether 9e:80:1e:99:4f:82 txqueuelen 1000 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
virbr0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500 inet 192.168.122.1 netmask 255.255.255.0 broadcast 192.168.122.255 ether 52:54:00:0b:09:e0 txqueuelen 1000 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B)
After that, I do not have internet access anymore. Do you have any suggestions on how to fix the problem? Moreover, I test with the console version, and it also has no internet. For your information, I have attached my launch file.
Mit freundlichen Grüßen / Kind regards Jianjie Lin
E-Mail: Jianjie.Lin@... Mobil: +49-176-8443-6814
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