Comments 8 Posted In Red Hat Enterprise Linux networkmanager causing bond interface failing Latest response 2011-04-11T16:42:04+00:00 Hi all: I was try to bonding eth0 and eth1 to bond0 interface. it look find but other hosts can't ping or ssh to it. and I have to stop the networkmanager serivece and working fine. why networkmanger will causing this issue? ch Started 2011-04-08T06:43:44+00:00 by chefchanyu Active Contributor 117 points Log in to join the conversation Responses Sort By Oldest Sort By Newest Red Hat Active Contributor 367 points 8 April 2011 7:08 AM Zhaolin ZHOU Disable NetworkManager and use network instead TJ Guru 1883 points 8 April 2011 12:39 PM Thomas Jones Not a lot of information to go on. Can you supply your specific config file contents (your /etc/sysconfig/network-scripts files and you /etc/modprobe.conf contents), boot logs transcripts and routing tables (etc.)? Red Hat Guru 3695 points 8 April 2011 3:28 PM andriusb If you are using RHEL 5 or older, you can refer to the following KBASE for setting up bonding: https://access.redhat.com/kb/docs/DOC-34633 Red Hat Guru 3695 points 8 April 2011 3:29 PM andriusb If you are using RHEL 6, you can check out the following KBASE: https://access.redhat.com/kb/docs/DOC-48159 Red Hat Guru 3695 points 8 April 2011 3:31 PM andriusb Wow, here is yet another one for RHEL 3/4/5: https://access.redhat.com/kb/docs/DOC-52975 ch Active Contributor 117 points 11 April 2011 12:13 AM chefchanyu I am using redhat el 6. I did follow the instrution from redhat side. only thing is I have to disable the Network Manager to make the bond interface work. whay need to trune off network Manager? rh Red Hat Guru 2421 points 11 April 2011 4:57 AM rhn-support-spoyarek NetworkManager does not have the feature to configure bonding yet. dt Pro 578 points 11 April 2011 4:42 PM dtrinh-easton First stop NetworkManager: service NetworkManager stop then chkconfig NetworkManager off to turn NetworkManager off permenently. Hope this will help.