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...s nov 12 15:30:22 localhost kernel: br0: received packet on enp0s3 with own address as source address And the operating systems is extremely slow Interfaces files : [root at localhost ~]# cat /etc/sysconfig/network-scripts/ifcfg-* DEVICE=br0 TYPE=Bridge BOOTPROTO=dhcp ONBOOT=yes #STP=on #DELAY=0 NM_CONTROLLED=no DEVICE=enp0s3 #HWADDR=08:00:27:AB:1D:E6 BOOTPROTO=none ONBOOT=yes NM_CONTROLLED=no BRIDGE=br0 DEVICE=enp0s8 HWADDR=08:00:27:A3:98:E6 BOOTPROTO=none ONBOOT=yes NM_CONTROLLED=no BRIDGE=br0 DEVICE=lo TYPE=loopback IPADDR=127.0.0.1 NETMASK=255.0.0.0 NETWORK=127.0.0.0 # If you're having probl...

...ist". >> > > I posted some files previously but that was like 20 or so installs > ago. I don't know the files you need. > > For this installation: > > /etc/sysconfig/ifcfg-eth0 > > NAME="eth0" > BOOTPROTO=none > GATEWAY=192.168.1.1 > NM_CONTROLLED=no > HWADDR=44:37:E6:53:1E:E2 > MACADDR="" > IPV6INIT=no > DEVICE=eth0 > NETMASK=255.255.255.0 > MTU="" > BROADCAST=192.168.1.255 > IPADDR=192.168.1.110 > NETWORK=192.168.1.0 > ONBOOT=yes > TYPE=Ethernet > > /etc/sysconfig/ifcfg-eth1 &g...

...ource address > | > | And the operating systems is extremely slow > | > | Interfaces files : > | > | [root at localhost ~]# cat /etc/sysconfig/network-scripts/ifcfg-* > | DEVICE=br0 > | TYPE=Bridge > | BOOTPROTO=dhcp > | ONBOOT=yes > | #STP=on > | #DELAY=0 > | NM_CONTROLLED=no > | DEVICE=enp0s3 > | #HWADDR=08:00:27:AB:1D:E6 > | BOOTPROTO=none > | ONBOOT=yes > | NM_CONTROLLED=no > | BRIDGE=br0 > | > | DEVICE=enp0s8 > | HWADDR=08:00:27:A3:98:E6 > | BOOTPROTO=none > | ONBOOT=yes > | NM_CONTROLLED=no > | BRIDGE=br0 > | DEVICE=l...

...g up eth1 the system basically stops taking requests. I can no longer SSH in, Websites stop responding, etc. If I walk over to the server and take down eth1, everything works fine. Here is eth0: DEVICE=eth0 HWADDR=00:1b:21:cd:80:bf TYPE=Ethernet UUID=68a95912-3915-4b1a-9080-eb2017330153 ONBOOT=yes NM_CONTROLLED=yes BOOTPROTO=none IPADDR=192.168.1.27 NETMASK=255.255.255.0 DNS2=8.8.4.4 GATEWAY=192.168.1.1 DNS1=8.8.8.8 IPV6INIT=no USERCTL=no Here is eth1: DEVICE=eth1 HWADDR=00:0a:cd:17:07:7e TYPE=Ethernet UUID=b3851363-ae9e-4066-8993-caed07b9945b ONBOOT=no NM_CONTROLLED=yes BOOTPROTO=none IPADDR=10.0.254...

..., the setup is actualy part of ltsp, but I think this problem is Centos-specific. The server is a Dell Poweredge R210. The install is standard 6.4, updated. I have one nic facing the public internet: vi /etc/sysconfig/network-scripts/ifcfg-em1 DEVICE=em1 BOOTPROTO=none HWADDR=d4:ae:52:c1:28:2b NM_CONTROLLED=no ONBOOT=yes TYPE=Ethernet UUID="cdfe1d58-c56c-47fc-8a93-5df2e168d176" IPV6INIT=no USERCTL=no DNS2=195.238.2.22 DNS1=192.168.66.1 IPADDR=192.168.66.5 NETMASK=255.255.255.128 GATEWAY=192.168.66.1 and one nic serving the lan and dhpcd. vi /etc/sysconfig/network-scripts/ifcfg-em2 DEVI...

Hello, On my systems I have after update to last centos 1810 a big Problem with the network?? Om my system I have three NIC two are connected from hardware (hostdev) the last is connected from the bridge on the host. (NetworkManager was disabled) Now after the update the client can't start the NIC's correctly :-( My Problem is the bridged NIC ethX I must Install and activate the

Gordon Messmer wrote: > On 02/13/2017 07:35 AM, m.roth at 5-cent.us wrote: >> Finally, I do an ifdown, followed by an ifup, and everything's >> wonderful. > > What's in /etc/sysconfig/network-scripts/ifcfg-<interface>? Does it say > NM_CONTROLLED=no? > Good catch. No, it doesn't say no... because the line was commented out. I've just uncommented it, and set it to yes. <snip> mark

...39;t start the third Network- Card, I have always a LSB Error on the KVM-Clients ?? So now I found a workaround for my Problem :-(. (What are changed in the Network Configuration) I set up the first and second NIC to "hostdev" (hardware) this is running also before the update and set ?NM_CONTROLLED=no? to this NIC's. The third is a Bridge controlled Interface now is running with NetworkManager as a static Interface with "PEERDNS=no" so I have my resolv.conf is not always change and NetworkManager don't create a new Interface with a DHCP config ?? Why Network Manager d...

...4.1 /etc/resolv.conf search domain.com nameserver 68.87.xx.xx nameserver 68.87.xx.xx /etc/sysctl.conf net.ipv4.ip_forward = 1 net.bridge.bridge-nf-call-ip6tables = 0 net.bridge.bridge-nf-call-iptables = 0 net.bridge.bridge-nf-call-arptables = 0 /etc/sysconfig/network-scripts/ifcfg-em2 DEVICE=em2 NM_CONTROLLED=no BOOTPROTO=none HWADDR=... ONBOOT=yes HOTPLUG=no BRIDGE=br2 /etc/sysconfig/network-scripts/ifcfg-br2 DEVICE=br2 TYPE=Bridge BOOTPROTO=none ONBOOT=yes DELAY=0 /etc/sysconfig/network-scripts/ifcfg-em3 DEVICE=em3 NM_CONTROLLED=no BOOTPROTO=none HWADDR=... ONBOOT=yes HOTPLUG=no BRIDGE=br3 /etc/...

...tem-settings: ifcfg-rh: parsing /etc/sysconfig/network-scripts/ifcfg-eth0 ... Jan 13 08:25:32 inet05 nm-system-settings: ifcfg-rh: read connection 'System eth0' Jan 13 08:25:32 inet05 nm-system-settings: ifcfg-rh: Ignoring connection 'System eth0' and its device because NM_CONTROLLED was false. Jan 13 08:25:32 inet05 gconfd (byrnejb-5832): Resolved address "xml:readwrite:/home/byrnejb/.gconf" to a writable configuration source at position 0 Jan 13 08:25:34 inet05 pcscd: winscard.c:304:SCardConnect() Reader E-Gate 0 0 Not Found Jan 13 08:25:35 inet05 nm-system-setti...

...MAc Address : xxxxxxxxxxxxxx HOST MACHINE : brctl show has br0 for bridge and virbr0 with 192.168.122.x address (created by default virtual network NAT) /etc/sysconfig/network-scripts/ 1) Bridge BR0 (cat ifcfg-br0) DEVICE="br0" TYPE="Bridge" ONBOOT="yes" NM_CONTROLLED="no" BOOTPROTO="static" IPADDR="xx.xx.xx.xx" NETMASK="255.255.254.0" GATEWAY="xx.xx.xx.xx" DNS1="x.y.z.s" DNS2="x.y.q.s" 2) cat ifcfg-em1 NM_CONTROLLED="yes" HWADDR="02:12D:E2:B1:32" BOOTPROTO="static...

...Count: 0 Permanent HW addr: 00:25:90:1a:2d:aa Slave queue ID: 0 [root at dc106 ~]# cat /etc/sysconfig/network-scripts/ifcfg-bond0 DEVICE=bond0 IPADDR=193.109.172.106 NETMASK=255.255.255.128 USERCTL=no BOOTPROTO=none ONBOOT=yes MTU=9000 IPV6ADDR=2001:67c:1148:200::106 TYPE=Bond BONDING_MASTER=yes NM_CONTROLLED=no BONDING_OPTS="options bonding mode=1 primary=enp6s0 miimon=100 updelay=600000" [root at dc106 ~]# cat /etc/sysconfig/network-scripts/ifcfg-enp7s0f0 # Network slave interface DEVICE=enp7s0f0 USERCTL=no ONBOOT=yes MASTER=bond0 SLAVE=yes BOOTPROTO=none HWADDR=00:25:90:1A:2D:AA NM_CONT...

...assign it on the basis of mac address. I placed the following file as: /etc/sysconfig/networking-scripts/eth0 DEVICE="eth0" BOOTPROTO=static HWADDR=00:1F:D0:9E:AE:67 ONBOOT=yes TYPE=Ethernet USERCTL=no IPV6INIT=no PEERDNS=yes NETMASK=255.255.255.0 IPADDR=192.168.0.99 GATEWAY=192.168.0.1 NM_CONTROLLED=no I also disabled Network Manager with chkconfig. It didn't work. When I rebooted I had no IP address for eth0. Should I leave all the other scripts in /etc/sysconfig/networking-scripts unchanged? Suggestions would be appreciated. Thank you, Joe

On my CentOS 6 partition of my laptop: First note that for this test, NetworkManager is not running because I did: chkconfig --del NetworkManager and then rebooted. Here is my ifcfg-eth0: DEVICE="eth0" NM_CONTROLLED="no" ONBOOT=no HWADDR=xx:xx:xx:xx:xx:xx TYPE=Ethernet BOOTPROTO=none IPADDR=192.168.2.5 PREFIX=24 GATEWAY=192.168.2.1 DNS1=192.168.2.1 DNS2=192.168.2.1 DEFROUTE=yes IPV4_FAILURE_FATAL=yes IPV6INIT=no NAME="System eth0" UUID=xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx I reboot to le...

...;eth0" BOOTPROTO="static" BROADCAST="216.185.71.255" DNS1="216.185.71.33" GATEWAY="216.185.71.1" HWADDR="38:60:77:D5:AC:D8" IPADDR="216.185.71.x" IPV6INIT="yes" IPV6_AUTOCONF="yes" NETMASK="255.255.255.0" NM_CONTROLLED="no" ONBOOT="yes" TYPE="Ethernet" UUID="0202e615-ce93-4fe1-833a-c11259afb850" DEVICE="eth0:192" BOOTPROTO="static" BROADCAST="192.168.6.255" GATEWAY="192.168.6.1" IPADDR="192.168.6.x" NETMASK="255.25...

On 11/12/2015 10:42 AM, Sergio Belkin wrote: > DEVICE=enp0s3 > #HWADDR=08:00:27:AB:1D:E6 > BOOTPROTO=none > ONBOOT=yes > NM_CONTROLLED=no > BRIDGE=br0 > DEVICE=enp0s8 > HWADDR=08:00:27:A3:98:E6 > BOOTPROTO=none > ONBOOT=yes > NM_CONTROLLED=no > BRIDGE=br0 Do you have those two devices connected to the same LAN? > I've disabled NetworkManager, but problem persists. Why would that matter, when all...

2015-11-12 16:51 GMT-03:00 Gordon Messmer <gordon.messmer at gmail.com>: > On 11/12/2015 10:42 AM, Sergio Belkin wrote: > >> DEVICE=enp0s3 >> #HWADDR=08:00:27:AB:1D:E6 >> BOOTPROTO=none >> ONBOOT=yes >> NM_CONTROLLED=no >> BRIDGE=br0 >> > > DEVICE=enp0s8 >> HWADDR=08:00:27:A3:98:E6 >> BOOTPROTO=none >> ONBOOT=yes >> NM_CONTROLLED=no >> BRIDGE=br0 >> > > Do you have those two devices connected to the same LAN? > Yes I have. > > I've...

On 11/12/2015 10:42 AM, Sergio Belkin wrote: > DEVICE=enp0s8 > HWADDR=08:00:27:A3:98:E6 > BOOTPROTO=none > ONBOOT=yes > NM_CONTROLLED=no > BRIDGE=br0 > DEVICE=lo > TYPE=loopback > IPADDR=127.0.0.1 > NETMASK=255.0.0.0 > NETWORK=127.0.0.0 > ... I hope thats two seperate files, ifcfg-enp0s8 and ifcfg-lo ... otherwise, why is a bridged physical interface configured to be loopback?!? mine looks like... # ca...

...kernel: br0: received packet on enp0s3 with own | address as source address | | And the operating systems is extremely slow | | Interfaces files : | | [root at localhost ~]# cat /etc/sysconfig/network-scripts/ifcfg-* | DEVICE=br0 | TYPE=Bridge | BOOTPROTO=dhcp | ONBOOT=yes | #STP=on | #DELAY=0 | NM_CONTROLLED=no | DEVICE=enp0s3 | #HWADDR=08:00:27:AB:1D:E6 | BOOTPROTO=none | ONBOOT=yes | NM_CONTROLLED=no | BRIDGE=br0 | | DEVICE=enp0s8 | HWADDR=08:00:27:A3:98:E6 | BOOTPROTO=none | ONBOOT=yes | NM_CONTROLLED=no | BRIDGE=br0 | DEVICE=lo | TYPE=loopback | IPADDR=127.0.0.1 | NETMASK=255.0.0.0 | NETWORK=12...

Hi, I accidentally found that the existence of a file e.g. named ifcfg-eth1:1 put in /etc/sysconfig/network-scripts/ leads to the appropriate interface being created even with the option 'ONBOOT' set to 'no': DEVICE="eth1:1" BOOTPROTO="static" NM_CONTROLLED="no" ONBOOT="no" TYPE="Ethernet" IPADDR=12.34.56.78 NETMASK=255.255.255.0 Is that intended behaviour?