EZZ7915I

Explanation
 A hello packet was received from the specified
neighbor. The neighbor and OMPROUTE do not use the same network mask
for their common network.
 In the message text: source
The neighbor's interface address on the common IPv4 network.
interface
The name of the interface on which the hello was received.
jobname
The name of the OMPROUTE instance.
ip_version
The IP version.  The only possible value is IPv4.
routerid 
The neighbor's OSPF router ID.

System action
 The packet is discarded. An OSPF neighbor adjacency
is not formed with the neighbor that sent the packet.

Operator response
 None.

System programmer response
 Correct the configuration on either
OMPROUTE or on the neighboring router, ensuring that they both use
the same network mask. 

User response
 Not applicable.

Problem determination
 Not applicable.

Source
 z/OS® Communications
Server TCP/IP: OMPROUTE

Module
 SPFNBR

Routing code
 Not applicable.

Descriptor code
 Not applicable.

Automation
 Not applicable.

Example
  EZZ7915I Network mask mismatch in hello from 9.120.19.5 over OSA1 - OMPROUTE will not form IPv4 
         OSPF adjacency with 10.13.3.3