RHEL 7.4 - unexpected dynamic IP after reboot
Hello.
Unexpected dynamic IP on the interface:
# ip add show enp1s0 2: enp1s0:mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether MAC brd ff:ff:ff:ff:ff:ff inet DYNAMIC_IPv4 brd MY_BRD scope global dynamic enp1s0 valid_lft 12510sec preferred_lft 12510sec inet STATIC_IPv4 brd MY_BRD scope global secondary enp1s0 valid_lft forever preferred_lft forever inet6 DYNAMIC_IPv6 scope link valid_lft forever preferred_lft forever
I use network instead NetworkManager. NetworkManager turned off.
For my network interface there is only one config file with static IP.
But in /var/log/message there are dhclient strings about dynamic IP durin boot.
Oct 5 02:38:01 myhostname kernel: r8169 0000:01:00.0 enp1s0: link down Oct 5 02:38:01 myhostname kernel: r8169 0000:01:00.0 enp1s0: link down Oct 5 02:38:01 myhostname kernel: IPv6: ADDRCONF(NETDEV_UP): enp1s0: link is not ready Oct 5 02:38:05 myhostname kernel: r8169 0000:01:00.0 enp1s0: link up Oct 5 02:38:05 myhostname kernel: IPv6: ADDRCONF(NETDEV_CHANGE): enp1s0: link becomes ready Oct 5 02:38:07 myhostname dracut-initqueue: dhcp: PREINIT enp1s0 up Oct 5 02:38:07 myhostname dhclient[550]: DHCPDISCOVER on enp1s0 to 255.255.255.255 port 67 interval 3 (xid=0x739eee84) Oct 5 02:38:07 myhostname dhclient[550]: DHCPREQUEST on enp1s0 to 255.255.255.255 port 67 (xid=0x739eee84) Oct 5 02:38:08 myhostname dracut-initqueue: dhcp: BOND setting enp1s0 Oct 4 23:39:22 myhostname ntpd[1343]: Listen normally on 3 enp1s0 DYNAMIC_IPv4 UDP 123 Oct 4 23:39:22 myhostname ntpd[1343]: Listen normally on 5 enp1s0 DYNAMIC_IPv6 UDP 123 Oct 4 23:40:01 myhostname network: Bringing up interface enp1s0: [ OK ] Oct 4 23:40:01 myhostname ntpd[1643]: Listen normally on 3 enp1s0 DYNAMIC_IPv4 UDP 123 Oct 4 23:40:01 myhostname ntpd[1643]: Listen normally on 4 enp1s0 Static_IPv4 UDP 123 Oct 4 23:40:01 myhostname ntpd[1643]: Listen normally on 6 enp1s0 DYNAMIC_IPv6 UDP 123
If I do systemctl restart network then dynamic ip disappear. But after reboot machine have two IP again..
UPDATE:
After 9 hours without any intervention DHCP IP was released...
# ip add show enp1s0 2: enp1s0:mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether MAC brd ff:ff:ff:ff:ff:ff inet STATIC_IPv4 brd MY_BRD scope global enp1s0 valid_lft forever preferred_lft forever inet6 IPv6 scope link valid_lft forever preferred_lft forever
Also: I have the next new message in /var/log/messages:
Oct 5 03:38:10 myhostname ntpd[1643]: Deleting interface #3 enp1s0, DYNAMIC_IPv4#123, interface stats: received=260, sent=260, dropped=0, active_time=14290 secs
Responses