DEFINITY Enterprise Communications Server Release 7
Maintenance for R7r
555-230-126 Issue 4
June 1999
Maintenance Commands
8-182reset interchange
8
Both demand and sp ontaneous PNC interchanges are prevented b y the
following conditions:
■The standby PNC is busied out.
■The PNCs are locked by means of the set pnc lock or reset PNC
override-and-lock commands.
■For five minutes after a spontaneous PNC interchange, or for 30 sec onds
after a demand interchang e, an anti-thrashing mechanism p revents
subsequent interchang es unless the override-and-loc k option is used.
■If the state of health of the standby PNC is worse than that of the ac tive,
the command will abort unless the override-and-lock op tion is used.
■If the standby PNC has not comp leted a global refresh since it was last
initialized or released, the reset will ab ort unless the override-and -loc k
option is used.
Note the following caution rega rding the use of the override-and -lock option.
See status pnc for details of how to obtain and interpret the states of health and
other current information about the PNCs. For a more comp lete explanation of
PNC duplication and interchan ges, see PNC-DUP in Chapter 9.
Parameters
interchange ”interchange” (without a preceding hyphen) must be spec ified on
the command line.
override-and-lock This option is also used to override the a nti-thrashing mechanism.
Subsequent PNC interchanges are p revented, regardless of
changes in the states health of the PNCs. Doub le call setup still
takes place; each c all is set up on both PNCs. To unlock the PNCs,
use set pnc unlock.
!CAUTION:
This option forces execution of the interc hange regardless of the state of health of the standby, possib ly disrupting servic e.