z/OS Communications Server: IP Messages Volume 2 (EZB, EZD)
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EZD1228I

z/OS Communications Server: IP Messages Volume 2 (EZB, EZD)
SC27-3655-01

EZD1228I
MLSCHK INTERFACE ifcname AUTOCONFIGURED WHEN MLACTIVE

Explanation

In a multilevel secure environment, an IPv6 interface is found to be incorrectly configured to allow IP addresses to be dynamically autoconfigured. In a multilevel secure network all IP addresses must be manually configured so they can be correctly configured into NETACCESS security zones. All IPv6 INTERFACE statements must specify INTFID to complete the Link Local address. For all IPv6 interface types that support autoconfiguration, the INTERFACE statement must specify at least one IPADDR to disable autoconfiguration. If IPCONFIG6 DYNAMICXCF is configured, it must also specify INTFID to complete the Link Local address.

ifcname is the name of the INTERFACE statement that incorrectly allows autoconfigured addresses.

System action

Processing continues.

Operator response

Contact the system programmer.

System programmer response

Verify the following:
  • The named INTERFACE statement specifies a manual interface ID with the INTFID parameter.
  • If IPCONFIG6 DYNAMICXCF is configured, the statement also specifies a manual interface ID with the INTFID parameter.
  • If the named INTERFACE statement is of a type that supports dynamic address autoconfiguration, the statement also specifies at least one manually configured prefix or IP address with the IPADDR parameter.

See z/OS Communications Server: IP Configuration Guide for more information about IPv6 dynamic address autoconfiguration.

Module

EZBTIMDF

Procedure name

MLSCheck

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