Workaround is to run the following echo "net.ipv4.ip_forward=1" >> /etc/sysctl.conf sysctl -w net.ipv4.ip_forward=1
Backport submitted in this PR: https://github.com/openshift/openshift-ansible/pull/3247
Verified with version atomic-openshift-utils-3.2.47-1.git.0.34a924d, the "net.ipv4.ip_forward" setting is persisted on nodes. [root@node ~]# sysctl net.ipv4.ip_forward net.ipv4.ip_forward = 1 [root@node ~]# grep net.ipv4.ip_forward /etc/sysctl.conf net.ipv4.ip_forward=1
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHSA-2017:0448