One of my Ubuntu servers always loses its default route when restarted. I have a second server which has an almost identical set up which works fine. I am not sure when the problem started but it first became an issue when we started auto patching so the servers get rebooted every month.
rful011@secesprd02:~$ ifconfig
bond0 Link encap:Ethernet HWaddr f4:e9:d4:a0:6f:50
UP BROADCAST RUNNING MASTER MULTICAST MTU:1500 Metric:1
RX packets:27405882 errors:0 dropped:127 overruns:0 frame:0
TX packets:11898380 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:38129519206 (38.1 GB) TX bytes:14527843371 (14.5 GB)
bond0.1060 Link encap:Ethernet HWaddr f4:e9:d4:a0:6f:50
inet addr:10.6.0.68 Bcast:10.6.0.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:4349473 errors:0 dropped:0 overruns:0 frame:0
TX packets:2832180 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:36350288670 (36.3 GB) TX bytes:13842264977 (13.8 GB)
and in /etc/networks/interfaces:
auto bond0
iface bond0 inet manual
post-up ifenslave bond0 enp2s0f0 enp2s0f1
pre-down ifenslave -d bond0 enp2s0f0 enp2s0f1
bond-slaves none
bond-mode 4
bond-miimon 100
bond-lacp_rate 0
auto enp2s0f0
iface enp2s0f0 inet manual
auto enp2s0f1
iface enp2s0f1 inet manual
auto bond0.1060
iface bond0.1060 inet static
address 10.6.0.68
netmask 255.255.255.0
network 10.6.0.0
broadcast 10.6.0.255
gateway 10.6.0.254
These files are identical (except for the IP address) to the setup on the machine that works.
This is an important production server so I really don't want to go bouncing it often to test stuff ! Does anyone have any ideas on how to diagnose what is going on.
0 Answers