PRVG-11138 PRVG-11352 When Running cluvfy or runcluvfy.sh

When running runcluvfy.sh or cluvfy, the following messages appear:

Multicast or broadcast check - This task checks that network interfaces in subnet are able to communicate over multicast group or broadcast IP address Details: 

 - 

PRVG-11138 : Interface "ens8" on node "racnode1" is not able to communicate with interface "ens8" on node "racnode1" over multicast group "224.0.0.251"  - Cause:  The specified interfaces were not able to communicate using a multicast address.  - Action:  Ensure that multicast is enabled on the specified interfaces and that a network path exists between the interfaces. 

 - 

PRVG-11138 : Interface "ens8" on node "racnode1" is not able to communicate with interface "ens8" on node "racnode1" over multicast group "230.0.1.0"  - Cause:  The specified interfaces were not able to communicate using a multicast address.  - Action:  Ensure that multicast is enabled on the specified interfaces and that a network path exists between the interfaces. 

 - 

PRVG-11352 : Interface "192.168.112.11" on node "racnode1" is not able to communicate with interface "192.168.112.11" on node "racnode1" with broadcast address "255.255.255.255"  - Cause:  The specified interfaces were not able to communicate using the broadcast address.  - Action:  Ensure that broadcast is enabled on the specified interfaces and that the network path allows broadcast.

SOLUTION

Stop and disable firewalld.

# systemctl status firewalld

# systemctl stop firewalld


# systemctl disable firewalld

# systemctl status firewalld