Re: [systemd-devel] ip_forward issue again
Am 17.08.2015 um 22:51 schrieb Johannes Ernst: The strange sysctl fails to setup IP forwarding #468”, closed after ordering systemd-sysctl and systemd-networkd, unfortunately still occurs for me. https://github.com/systemd/systemd/issues/468#issuecomment-117904714 since the timing was repeatly unpredictable i added the service below on every machine years ago to re-execute sysctl *after* al network stuff was started [root@srv-rhsoft:~]$ cat /etc/systemd/system/sysctl-post-network.service [Unit] Description=apply settings after network After=network.service systemd-networkd.service network-online.target openvpn.service hostapd.service network-wlan-bridge.service [Service] Type=oneshot RemainAfterExit=yes ExecStart=/usr/sbin/sysctl -p StandardOutput=null [Install] WantedBy=multi-user.target signature.asc Description: OpenPGP digital signature ___ systemd-devel mailing list systemd-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/systemd-devel
[systemd-devel] ip_forward issue again
The strange sysctl fails to setup IP forwarding #468”, closed after ordering systemd-sysctl and systemd-networkd, unfortunately still occurs for me. https://github.com/systemd/systemd/issues/468#issuecomment-117904714 Cheers, Johannes. ___ systemd-devel mailing list systemd-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/systemd-devel
Re: [systemd-devel] ip_forward
On Tue, 23.06.15 13:30, Johannes Ernst (johannes.er...@gmail.com) wrote: (Morale: in doubt, lean hard on your booleans) 1. Reboot host. (Arch running in VirtualBox on Mac) 2. host sysctl net.ipv4.ip_forward net.ipv4.ip_forward = 1 This is the global option, it is related in non-obvious ways to the per-interface one, which you can control with IPForward= option in the .network interface. Also note that the per-interface IPForward= option was buggy in older versions, make sure to use only the most recent systemd versions for this to work correctly. Lennart -- Lennart Poettering, Red Hat ___ systemd-devel mailing list systemd-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/systemd-devel
[systemd-devel] ip_forward
(Morale: in doubt, lean hard on your booleans) 1. Reboot host. (Arch running in VirtualBox on Mac) 2. host sysctl net.ipv4.ip_forward net.ipv4.ip_forward = 1 3. host sudo systemd-nspawn -M container -b -j -n --bind /home:/home (Arch subset / UBOS) 4. container ping 8.8.8.8 7 packets transmitted, 0 received, 100% packet loss, time 6009ms 5. host sudo sysctl net.ipv4.ip_forward=0 net.ipv4.ip_forward = 0 6. host sudo sysctl net.ipv4.ip_forward=1 net.ipv4.ip_forward = 1 7. container # ping 8.8.8.8 PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data. 64 bytes from 8.8.8.8: icmp_seq=1 ttl=54 time=17.2 ms This seems reproducible. Settings: host cat /etc/systemd/network/50-containers.network [Match] Name=ve-* [Network] Address=0.0.0.0/28 IPMasquerade=yes IPv4LL=yes DHCPServer=yes IPForward=yes DNS=192.168.138.1 ___ systemd-devel mailing list systemd-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/systemd-devel
