3:57 a.m.
Hello,
I have a problem which is that some of my VMs are loosing there IP addresses from time to
time. What I saw in the log is when this VM loose its IP address there are DHCPREQUEST
send from the VM by dhclient and the server responded only 50 minutes later !
Any help, advise on how to debug would be welcome.
Thanks in advance
Patrick
Here after is an extract from the log
July 1st 2016, 05:08:46.156
zen.pipiche.net <http://zen.pipiche.net/> dnsmasq-dhcp
DHCPREQUEST(virbr1) 10.10.0.10 52:54:10:7d:3a:3f
10.10.0.10
July 1st 2016, 05:08:46.156
zen.pipiche.net <http://zen.pipiche.net/> dnsmasq-dhcp
DHCPACK(virbr1) 10.10.0.10 52:54:10:7d:3a:3f mail
10.10.0.10
July 1st 2016, 05:08:32.003
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:08:18.274
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:08:03.793
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:07:54.504
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:07:40.642
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:07:22.978
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:07:04.180
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:06:45.233
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:06:30.417
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:06:15.304
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:06:02.203
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:05:55.780
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:05:38.227
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:05:27.970
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:05:15.183
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:05:04.425
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:04:56.008
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:04:39.227
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:04:24.531
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:04:10.306
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:03:56.149
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:03:45.917
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:03:34.480
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:03:24.189
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:03:07.038
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:02:51.557
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:02:40.088
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:02:29.963
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:02:11.446
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:01:53.245
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:01:32.646
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:01:23.725
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:01:12.691
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:00:53.537
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:00:32.797
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:00:18.520
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:00:11.831
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:59:53.649
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:59:45.510
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:59:38.236
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:59:18.089
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:58:59.930
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:58:52.521
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:58:37.193
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:58:18.742
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:58:05.088
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:57:53.879
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:57:36.308
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:57:16.716
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:57:07.594
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:56:54.607
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:56:34.286
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:56:24.307
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:56:10.593
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:55:56.460
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:55:37.165
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:55:28.171
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:55:18.719
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:55:01.360
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:54:44.150
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:54:37.490
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:54:26.746
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:54:12.103
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:53:54.381
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:53:42.322
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:53:30.937
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:53:14.144
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:52:55.999
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:52:47.948
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:52:39.143
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:52:28.188
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:52:07.857
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:51:53.381
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:51:39.750
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:51:27.260
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:51:06.864
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:50:53.216
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:50:36.366
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:50:27.696
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:50:07.898
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:49:46.721
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:49:37.941
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:49:27.940
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:49:17.156
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:18:02.398
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
bound to 10.10.0.10 -- renewal in 1614 seconds.
10.10.0.10
July 1st 2016, 04:18:02.260
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPACK from 10.10.0.1 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:18:02.260
zen.pipiche.net <http://zen.pipiche.net/> dnsmasq-dhcp
DHCPACK(virbr1) 10.10.0.10 52:54:10:7d:3a:3f mail
10.10.0.10
July 1st 2016, 03:55:03.644
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
bound to 10.10.0.10 -- renewal in 1379 seconds.
10.10.0.10
July 1st 2016, 03:55:02.777
zen.pipiche.net <http://zen.pipiche.net/> dnsmasq-dhcp
DHCPREQUEST(virbr1) 10.10.0.10 52:54:10:7d:3a:3f
10.10.0.10
July 1st 2016, 03:55:02.777
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPACK from 10.10.0.1 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 03:55:02.777
zen.pipiche.net <http://zen.pipiche.net/> dnsmasq-dhcp
DHCPACK(virbr1) 10.10.0.10 52:54:10:7d:3a:3f mail
10.10.0.10
July 1st 2016, 03:55:02.776
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 03:31:20.065
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
bound to 10.10.0.10 -- renewal in 1422 seconds.
10.10.0.10
July 1st 2016, 03:31:16.303
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPACK from 10.10.0.1 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 03:31:16.225
zen.pipiche.net <http://zen.pipiche.net/> dnsmasq-dhcp
DHCPREQUEST(virbr1) 10.10.0.10 52:54:10:7d:3a:3f
10.10.0.10
July 1st 2016, 03:31:16.225
mail.pipiche.net <http://mail.pipiche.net/>
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 03:31:16.225
zen.pipiche.net <http://zen.pipiche.net/> dnsmasq-dhcp
DHCPACK(virbr1) 10.10.0.10 52:54:10:7d:3a:3f mail
10.10.0.10
My setup is as followed
- Fedora 24 / Kernel 4.5.7
libvirt-daemon-driver-qemu-1.3.3.1-4.fc24.x86_64
libvirt-daemon-driver-nodedev-1.3.3.1-4.fc24.x86_64
libvirt-daemon-driver-secret-1.3.3.1-4.fc24.x86_64
libvirt-daemon-1.3.3.1-4.fc24.x86_64
libvirt-daemon-driver-storage-1.3.3.1-4.fc24.x86_64
libvirt-daemon-kvm-1.3.3.1-4.fc24.x86_64
libvirt-client-1.3.3.1-4.fc24.x86_64
libvirt-daemon-driver-interface-1.3.3.1-4.fc24.x86_64
libvirt-daemon-driver-nwfilter-1.3.3.1-4.fc24.x86_64
libvirt-daemon-config-network-1.3.3.1-4.fc24.x86_64
libvirt-daemon-driver-network-1.3.3.1-4.fc24.x86_64
libvirt-daemon-config-nwfilter-1.3.3.1-4.fc24.x86_64
- dnsmasq / 2.75-4
- Setup Network - hypervisor side.
There is a bridge configuration, as I have one VM listening to the Internet as well.
ifconfig
br0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 9000
net my ip address netmask 255.255.255.0 broadcast my ip address
inet6 fe80::d6ae:52ff:fec7:6694 prefixlen 64 scopeid 0x20<link>
ether d4:ae:52:c7:66:94 txqueuelen 1000 (Ethernet)
RX packets 1395299 bytes 291328394 (277.8 MiB)
RX errors 0 dropped 66 overruns 0 frame 0
TX packets 629001 bytes 777811458 (741.7 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 9000
inet6 fe80::d6ae:52ff:fec7:6694 prefixlen 64 scopeid 0x20<link>
ether d4:ae:52:c7:66:94 txqueuelen 1000 (Ethernet)
RX packets 7254272 bytes 2658859144 (2.4 GiB)
RX errors 0 dropped 4923 overruns 0 frame 0
TX packets 7302074 bytes 6556766298 (6.1 GiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
sudo iptables-save
[sudo] password for support:
# Generated by iptables-save v1.4.21 on Fri Jul 1 10:50:45 2016
*mangle
:PREROUTING ACCEPT [313661:46683942]
:INPUT ACCEPT [312868:46455263]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [204754:109339610]
:POSTROUTING ACCEPT [204754:109339610]
-A POSTROUTING -o virbr1 -p udp -m udp --dport 68 -j CHECKSUM --checksum-fill
COMMIT
# Completed on Fri Jul 1 10:50:45 2016
# Generated by iptables-save v1.4.21 on Fri Jul 1 10:50:45 2016
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [204361:109206834]
-A INPUT -i virbr1 -p udp -m udp --dport 53 -j ACCEPT
-A INPUT -i virbr1 -p tcp -m tcp --dport 53 -j ACCEPT
-A INPUT -i virbr1 -p udp -m udp --dport 67 -j ACCEPT
-A INPUT -i virbr1 -p tcp -m tcp --dport 67 -j ACCEPT
-A INPUT -i br0 -m set --match-set banned src -j DROP
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A INPUT -p icmp -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -i br0 -p tcp -m state --state NEW -m tcp --dport 23 -j ACCEPT
-A INPUT -j REJECT --reject-with icmp-host-prohibited
-A FORWARD -i virbr1 -o virbr1 -j ACCEPT
-A FORWARD -o virbr1 -j REJECT --reject-with icmp-port-unreachable
-A FORWARD -i virbr1 -j REJECT --reject-with icmp-port-unreachable
-A FORWARD -m physdev --physdev-is-bridged -j ACCEPT
-A FORWARD -m set --match-set banned src -j DROP
-A FORWARD -j REJECT --reject-with icmp-host-prohibited
-A OUTPUT -o virbr1 -p udp -m udp --dport 68 -j ACCEPT
COMMIT
# Completed on Fri Jul 1 10:50:45 2016
<network>
<name>prd-private-lan</name>
<uuid>255083f4-05a1-4a24-bc66-d3a3a9ab0724</uuid>
<bridge name='virbr1' stp='off' delay='0'/>
<mac address='52:54:00:08:1e:d8'/>
<domain name='prd.pipiche.net'/>
<dns>
<forwarder addr='8.8.4.4'/>
<forwarder addr='8.8.8.8'/>
</dns>
<ip address='10.10.0.1' netmask='255.255.255.0'>
<dhcp>
<range start='10.10.0.128' end='10.10.0.254'/>
<host mac='52:54:10:b6:35:ca' name='svc.prd.pipiche.net'
ip='10.10.0.3'/>
<host mac='52:54:10:32:88:ac' name='admin.prd.pipiche.net'
ip='10.10.0.5'/>
<host mac='52:54:10:5f:92:05' name='frontend.prd.pipiche.net'
ip='10.10.0.7'/>
<host mac='52:54:10:7d:3a:3f' name='mail.prd.pipiche.net'
ip='10.10.0.10'/>
<host mac='52:54:10:30:93:56' name='blog.prd.pipiche.net'
ip='10.10.0.21'/>
<host mac='52:54:10:78:c1:c2' name='cloud.prd.pipiche.net'
ip='10.10.0.22'/>
<host mac='52:54:10:64:00:21' name='web.prd.pipiche.net'
ip='10.10.0.25'/>
<host mac='52:54:10:5a:5f:63' name='dcroche.prd.pipiche.net'
ip='10.10.0.26'/>
<host mac='52:54:10:4c:b2:61' name='trac.prd.pipiche.net'
ip='10.10.0.27'/>
<host mac='52:54:10:62:de:5f' name='git.prd.pipiche.net'
ip='10.10.0.62'/>
</dhcp>
</ip>
</network>
On the VM side, I’m using NetworkManager
ifconfig
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 10.10.0.10 netmask 255.255.255.0 broadcast 10.10.0.255
inet6 fe80::5054:10ff:fe7d:3a3f prefixlen 64 scopeid 0x20<link>
ether 52:54:10:7d:3a:3f txqueuelen 1000 (Ethernet)
RX packets 1368559 bytes 304901897 (290.7 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 1219893 bytes 2157040102 (2.0 GiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
sudo cat /etc/sysconfig/network-scripts/ifcfg-eth0
# Generated by dracut initrd
HWADDR="52:54:10:7d:3a:3f"
DEVICE="eth0"
NAME="eth0"
ONBOOT=yes
NETBOOT=yes
IPV6INIT=no
BOOTPROTO=dhcp
TYPE=Ethernet
DNS1=10.10.0.1
DNS2=8.8.8.8
DNS3=8.8.4.4
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Patrick Pichon