ip resource "Failed to ping <address>" as soon as it starts in a RHEL 5 or 6 High Availability cluster

Solution Verified - Updated -


  • "rgmanager" fails to check the status on 'Virtual IP' in my cluster as soon as the service starts
May 24 22:58:17 node01 rgmanager[8019]: [ip] Adding IPv4 address to eth0
May 24 22:59:28 node01 rgmanager[10453]: [ip] Failed to ping  <----------------------
May 24 22:59:28 node01 rgmanager[3818]: status on ip "" returned 7 (unspecified)
May 24 22:59:28 node01 rgmanager[3818]: Stopping service service:myService
  • ip resource always fails a ping right after rgmanager starts it.


  • Red Hat Enterprise Linux (RHEL) 5 or 6 with the High Availability Add On
  • rgmanager
  • One or more <ip/> resources in a service in /etc/cluster/cluster.conf
  • net.ipv4.icmp_echo_ignore_all = 1 in /etc/sysctl.conf or /proc/net/ipv4/icmp_echo_ignore_all has a value of 1

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