TCP/IPv6 Configuration and Management Manual (G06.29+, H06.03+, J06.03+)

Manage the NonStop TCP/IPv6 Subsystem
HP NonStop TCP/IPv6 Configuration and Management Manual—524523-012
6-18
Managing the ND6HOSTD Process
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Change STARTMODE to DISABLED. In this case, the generic process
($ZZKRN.#ZZTCP) remains in the system configuration database, but is not
started by the persistence manager. In addition, you cannot manually start the
generic process ($ZZKRN.#ZZTCP) until the STARTMODE is changed back to
SYSTEM or MANUAL.
If you ABORT the TCP6MAN process $ZZTCP and specify SUB ALL in the ABORT
command, only the TCP6MAN process is restarted when you issue a RUN command
or when the persistence manager restarts the process. The SUB ALL specification in
the ABORT command deletes the MON objects from the configuration database. If you
have issued the ABORT PROCESS $ZZTCP, SUB ALL command and want to restart
the subsystem, issue a START MON * command to the NonStop TCP/IPv6 subsystem.
The START MON * command starts all subordinate objects with the configuration
attributes that are stored in the system configuration database.
For more information about managing generic processes, see the SCF Reference
Manual for the Kernel Subsystem.
This example shows how to stop the generic process #ZZTCP:
-> ABORT PROCESS $ZZKRN.#ZZTCP
To manually restart TCP6MAN after aborting it under the NonStop Kernel subsystem,
issue this command:
->START PROCESS $ZZKRN.#ZZTCP
To manually restart all the TCP6MAN subordinate objects, issue these commands:
->START MON *
->DELAY 21
Remember to start your TCP6SAM processes because they are not started by
TCP6MON or TCP6MAN.
Managing the ND6HOSTD Process
The ND6HOSTD (neighbor discovery and autoconfiguration) process is a utility
process for the NonStop TCP/IPv6 environment. It receives and processes IPv6 router
advertisement (RA) packets and updates the global IPv6 address information in the
DNS. The ND6HOSTD process can be configured to run autonomously in multiple
processors. When an RA packet is received by the TCP/IPv6 subsystem, the RA
packet is passed to each of the ND6HOSTD processes and each process performs a
DNS update.
Caution. Before stopping the TCP6MAN ($ZZKRN.#ZZTCP), stop all applications that are
using the
NonStop TCP/IPv6 environment. (For procedures for checking what applications
are using
NonStop TCP/IPv6, see Preparing to Stop the NonStop TCP/IPv6 Subsystem on
page 6-8.)