D-Link 5000 Series Cli Reference Manual page 770

5000 Series Layer 2/3 Managed Data Center Switch CLI Reference Guide
Default
The default is Disabled.
Command Mode
OSPF Router Config
7-178 nsf helper
Enable helpful neighbor functionality for the OSPF protocol. You can enable this functionality for planned
or unplanned restarts, or both.
No command disables helpful neighbor functionality for OSPF.
nsf helper [planned-only]
no nsf helper
Parameters
planned-only
Default
The default is as follows: OSPF acts as a helpful neighbor for both planned and unplanned restarts.
Command Mode
OSPF Router Config
7-179 nsf ietf helper disable
Disable helpful neighbor functionality for OSPF.
nsf ietf helper disable
Parameters
None
Default
The default is None.
Command Mode
OSPF Router Config
(Optional) This optional keyword indicates that OSPF should only help a
restarting router performing a planned restart.
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