DTCRTD4910E Message When Subnet Mask is Defined 255.255.255.255
APAR Identifier ...... PQ62128 Last Changed ........ 02/06/20
DTCRTD4910E MESSAGE WHEN SUBNET MASK IS DEFINED 255.255.255.255
Symptom ...... IN INCORROUT Status ........... CLOSED PER
Severity ................... 3 Date Closed ......... 02/06/18
Component .......... 5735FAL00 Duplicate of ........
Reported Release ......... 430 Fixed Release ............ 999
Component Name TCP/IP V2 FOR V Special Notice
Current Target Date .. Flags
SCP ...................
Platform ............
Status Detail: SHIPMENT - Packaged solution is available for
shipment.
PE PTF List:
PTF List:
Release 430 : UQ67368 available 02/06/20 (1000 )
Parent APAR:
Child APAR list:
ERROR DESCRIPTION:
RouteD intermittantly issues message:
DTCRTD4910E rtadd: SIOCADDRT ioctl failed File exists (EEXIST)
The message is incorrectly being issued when the host routes
are configured with subnet masks of 255.255.255.255
No processing problems occur even though this error message is
being issued.
LOCAL FIX:
Additional keywords:
MT03178
PROBLEM SUMMARY:
****************************************************************
* USERS AFFECTED: All users of RouteD for z/VM *
****************************************************************
* PROBLEM DESCRIPTION: When an interface is configured in *
* RouteD with a 255.255.255.255 subnet *
* mask, message DTCRTD4910E is received. *
****************************************************************
* RECOMMENDATION: APPLY PTF *
****************************************************************
When a RouteD is configured with a point-to-point link that has
a subnet mask of 255.255.255.255, message DTCRTD4910E is
recieved upon initialization. This is due to the fact that
RouteD first adds the host route to the other end of the
point-to-point link, then attempts to add a subnet route for
the link. Because the subnet route is the same as the host
route (due to the subnet mask), rtadd fails with an EEXIST.
PROBLEM CONCLUSION:
RouteD has been changed so that it no longer attempts to add
a subnet route for an interface that is configured with a
subnet mask of 255.255.255.255.
TEMPORARY FIX:
COMMENTS:
MODULES/MACROS: ROUTED RTSTART
SRLS: NONE
RTN CODES:
CIRCUMVENTION:
MESSAGE TO SUBMITTER:
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