Dell POWEREDGE M1000E - Manual (Page 963)

Configuring OSPF and OSPFv3 963
NSF OSPF Summary (PCM6220 and PCM6348 Only)
Use the NSF OSPF Summary page to configure the non-stop forwarding
(NSF) support mode and to view NSF summary information for the OSPF
feature. NSF is a feature used in switch stacks to maintain switching and
routing functions in the event of a stack unit failure. For information about
NSF, see "What is Nonstop Forwarding?" on page 142 in the Managing a
Switch Stack chapter.
To display the page, click Routing → OSPF → NSF OSPF Summary in the
navigation panel.
Figure 34-17. NSF OSPF Summary