Zdravim, mam klasickou konfiguraci rozhrani: cat /etc/network/interfaces # This file describes the network interfaces available on your system # and how to activate them. For more information, see interfaces(5). # The loopback network interface auto lo iface lo inet loopback # The primary network interface allow-hotplug ens3f0 iface ens3f0 inet manual # The primary network interface allow-hotplug ens3f1 iface ens3f1 inet manual auto bond0 iface bond0 inet manual bond-slaves ens3f0 ens3f1 bond-mode 1 bond-miimon 500 # Specifies the MII link monitoring frequency in milliseconds. This determines how often the link state of each slave is inspected for link failures. bond-downdelay 500 # Specifies the time, in milliseconds, to wait before disabling a slave after a link failure has been detected. bond-updelay 500 # Specifies the time, in milliseconds, to wait before enabling a slave after a link recovery has been detected. # post-up ifconfig bond0 mtu 9000 auto br0 iface br0 inet static address 10.5.75.139 netmask 255.255.255.0 network 10.5.75.0 broadcast 10.5.75.255 gateway 10.5.75.1 # dns-* options are implemented by the resolvconf package, if installed dns-nameservers 10.5.64.4 10.5.65.4 dns-search xxx.cz bridge_ports bond0 v Deb8 nabehne po rebootu stroje OK, v Deb9 adresy rozhrani chybi: ip a s 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3f0: mtu 1500 qdisc mq master bond0 state UP group default qlen 1000 link/ether 00:1b:21:da:10:e0 brd ff:ff:ff:ff:ff:ff 5: ens3f1: mtu 1500 qdisc mq master bond0 state UP group default qlen 1000 link/ether 00:1b:21:da:10:e0 brd ff:ff:ff:ff:ff:ff 10: bond0: mtu 1500 qdisc noqueue master br0 state UP group default qlen 1000 link/ether 00:1b:21:da:10:e0 brd ff:ff:ff:ff:ff:ff 12: br0: mtu 1500 qdisc noqueue state DOWN group default qlen 1000 link/ether 00:16:3e:00:00:00 brd ff:ff:ff:ff:ff:ff systemctl status networking.service ● networking.service - Raise network interfaces Loaded: loaded (/lib/systemd/system/networking.service; enabled; vendor preset: enabled) Active: active (exited) since Fri 2018-10-05 11:32:46 CEST; 56min ago Docs: man:interfaces(5) Process: 8653 ExecStart=/sbin/ifup -a --read-environment (code=exited, status=0/SUCCESS) Process: 8484 ExecStartPre=/bin/sh -c [ "$CONFIGURE_INTERFACES" != "no" ] && [ -n "$(ifquery --read-environment --list --exclude=lo)" ] && udevadm settle (code=exited, status=0/SUCCESS) Main PID: 8653 (code=exited, status=0/SUCCESS) Tasks: 0 (limit: 4915) Memory: 328.0K CPU: 395ms CGroup: /system.slice/networking.service Oct 05 11:32:32 blade3 systemd[1]: Starting Raise network interfaces... Oct 05 11:32:34 blade3 ifup[8653]: ifup: waiting for lock on /run/network/ifstate.br0 Oct 05 11:32:45 blade3 ifup[8653]: Waiting for br0 to get ready (MAXWAIT is 32 seconds). Oct 05 11:32:46 blade3 systemd[1]: Started Raise network interfaces. pokud napisu z konzoly: systemctl stop networking.service systemctl start networking.service nebo: systemctl restart networking.service pak rozhrani jsou videt OK: root@blade3:~# ip a s 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3f0: mtu 1500 qdisc mq master bond0 state UP group default qlen 1000 link/ether 00:1b:21:da:10:e0 brd ff:ff:ff:ff:ff:ff 5: ens3f1: mtu 1500 qdisc mq master bond0 state UP group default qlen 1000 link/ether 00:1b:21:da:10:e0 brd ff:ff:ff:ff:ff:ff 10: bond0: mtu 1500 qdisc noqueue master br0 state UP group default qlen 1000 link/ether 00:1b:21:da:10:e0 brd ff:ff:ff:ff:ff:ff 17: br0: mtu 1500 qdisc noqueue state UP group default qlen 1000 link/ether 00:1b:21:da:10:e0 brd ff:ff:ff:ff:ff:ff inet 10.5.75.139/24 brd 10.5.75.255 scope global br0 valid_lft forever preferred_lft forever inet6 fe80::21b:21ff:feda:10e0/64 scope link valid_lft forever preferred_lft forever systemctl status networking.service ● networking.service - Raise network interfaces Loaded: loaded (/lib/systemd/system/networking.service; enabled; vendor preset: enabled) Active: active (exited) since Fri 2018-10-05 12:40:25 CEST; 3min 58s ago Docs: man:interfaces(5) Process: 9885 ExecStop=/sbin/ifdown -a --read-environment --exclude=lo (code=exited, status=0/SUCCESS) Process: 10012 ExecStart=/sbin/ifup -a --read-environment (code=exited, status=0/SUCCESS) Process: 10008 ExecStartPre=/bin/sh -c [ "$CONFIGURE_INTERFACES" != "no" ] && [ -n "$(ifquery --read-environment --list --exclude=lo)" ] && udevadm settle Main PID: 10012 (code=exited, status=0/SUCCESS) CPU: 489ms Oct 05 12:40:24 blade3 systemd[1]: Starting Raise network interfaces... Oct 05 12:40:25 blade3 ifup[10012]: Waiting for br0 to get ready (MAXWAIT is 32 seconds). Oct 05 12:40:25 blade3 systemd[1]: Started Raise network interfaces. vypis konfigurace sluzby: cat /lib/systemd/system/networking.service [Unit] Description=Raise network interfaces Documentation=man:interfaces(5) DefaultDependencies=no Wants=network.target After=local-fs.target network-pre.target apparmor.service systemd-sysctl.service systemd-modules-load.service Before=network.target shutdown.target network-online.target Conflicts=shutdown.target [Install] WantedBy=multi-user.target WantedBy=network-online.target [Service] Type=oneshot EnvironmentFile=-/etc/default/networking ExecStartPre=-/bin/sh -c '[ "$CONFIGURE_INTERFACES" != "no" ] && [ -n "$(ifquery --read-environment --list --exclude=lo)" ] && udevadm settle' ExecStart=/sbin/ifup -a --read-environment ExecStop=/sbin/ifdown -a --read-environment --exclude=lo RemainAfterExit=true TimeoutStartSec=5min Systemd zatim podrobne neznam, proto jsem spolehal na kompatibilni mod a ptam se, cim by mohlo byt, proc adresy rozhrani po rebootu chybi? Diky predem za nasmerovani.