I install 9.0-BETA3 i386, set next rc.conf configurations: mail# grep -E "hostname|ifconfig" /etc/rc.conf ifconfig_em0="inet 91.227.17.15 netmask 255.255.255.0" hostname="mail.AeroStarContract.ru" mail# after reboot with plugged LAN cable, I have this strange network configuration: lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384 options=3<RXCSUM,TXCSUM> inet 127.0.0.1 netmask 0xff000000 em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=209b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,WOL_MAGIC> ether 00:30:48:71:11:a4 inet 91.227.16.17 netmask 0xff000000 broadcast 91.227.16.17 media: Ethernet autoselect (1000baseT <full-duplex>) status: active em1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=209b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,WOL_MAGIC> ether 00:30:48:71:11:a5 inet 91.227.16.17 netmask 0xff000000 broadcast 91.227.16.17 media: Ethernet autoselect status: no carrier ipfw0: flags=8801<UP,SIMPLEX,MULTICAST> metric 0 mtu 65536 if I unplug network cable and reboot - network configurations is correct: em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=209b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,WOL_MAGIC> ether 00:30:48:71:11:a4 inet 91.227.17.15 netmask 0xffffff00 broadcast 91.227.17.255 media: Ethernet autoselect (1000baseT <full-duplex>) status: active em1: flags=8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=209b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,WOL_MAGIC> ether 00:30:48:71:11:a5 media: Ethernet autoselect status: no carrier ipfw0: flags=8801<UP,SIMPLEX,MULTICAST> metric 0 mtu 65536 lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384 options=3<RXCSUM,TXCSUM> inet 127.0.0.1 netmask 0xff000000 91.227.16.17 - is IP for DNS A record for mail.AeroStarContract.ru if I run /etc/rc.d/netif start with plugged cable - network configurations reset to first listing. If cable unplugged - to second. if I change hostname to non-existent: mail# grep -E "hostname|ifconfig" /etc/rc.conf ifconfig_em0="inet 91.227.17.15 netmask 255.255.255.0" hostname="mail.AeroStarContract-bad.ru" mail# reboot with/without LAN cable get good network configurations. change A DNS record for "mail.AeroStarContract.ru" from 91.227.16.17 to 91.227.16.27 get this configurations, with plugged cable: lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384 options=3<RXCSUM,TXCSUM> inet 127.0.0.1 netmask 0xff000000 em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=209b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,WOL_MAGIC> ether 00:30:48:71:11:a4 inet 91.227.16.27 netmask 0xff000000 broadcast 91.227.16.27 media: Ethernet autoselect (1000baseT <full-duplex>) status: active em1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=209b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,WOL_MAGIC> ether 00:30:48:71:11:a5 inet 91.227.16.27 netmask 0xff000000 broadcast 91.227.16.27 media: Ethernet autoselect status: no carrier ipfw0: flags=8801<UP,SIMPLEX,MULTICAST> metric 0 mtu 65536 with unplugged - all correct. setting A record to 91.227.17.15 (as in rc.conf) get this, with plugged cable: lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384 options=3<RXCSUM,TXCSUM> inet 127.0.0.1 netmask 0xff000000 em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=209b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,WOL_MAGIC> ether 00:30:48:71:11:a4 inet 91.227.17.15 netmask 0xff000000 broadcast 91.227.17.15 media: Ethernet autoselect (1000baseT <full-duplex>) status: active em1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=209b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,WOL_MAGIC> ether 00:30:48:71:11:a5 inet 91.227.17.15 netmask 0xff000000 broadcast 91.227.17.15 media: Ethernet autoselect status: no carrier ipfw0: flags=8801<UP,SIMPLEX,MULTICAST> metric 0 mtu 65536 with unplugged - all correct. ============= DNS zone AeroStarContract.ru use our DNS servers, used in resolv.conf: mail# more /etc/resolv.conf nameserver 91.227.16.10 nameserver 91.227.17.11 mail# I think, it try find hostname in DNS (DNS server in some network with server) and use finded IP to set all interfaces. It's serious mistake, because I find it when server first booting and set to interface IP used in another server =)) All names, IP addresses and another information - is real.Received on Tue Oct 11 2011 - 17:18:23 UTC
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