Dell Networking N4000 Series User Manual

Managing a Switch Stack 183
two fixed stacking ports in the rear of the switch. Stacking on Ethernet ports
is not supported. The fixed stacking ports show as TwentygigabitStacking and
are abbreviated Tw.
NSF is enabled by default. You can disable NSF to redirect the CPU resources
consumed by data checkpointing. Checkpointing only occurs when a backup
unit is elected, so there is no need to disable the NSF feature on a standalone
switch. When a new unit is added to the stack, the new unit takes the
configuration of the stack, including the NSF setting. OSPF implements a
separate graceful restart control that enables NSF for OSPF. OSPF graceful
restart is not enabled by default.

Dell Networking N4000 Series Specifications

General

Layer	Layer 3
Switching Capacity	Up to 1.28 Tbps
Operating Temperature	0°C to 45°C (32°F to 113°F)
Storage Temperature	-40°C to 70°C (-40°F to 158°F)
Series	N4000 Series
Stacking	Up to 12 units
Power Supply	Dual, hot-swappable
Management	Web, CLI, SNMP
Humidity	10% to 90% (non-condensing)