Dell POWEREDGE M1000E - Manual (Page 980)

980 Configuring OSPF and OSPFv3
NSF OSPFv3 Configuration (PCM6220 and PCM6348 only)
Use the NSF OSPFv3 Configuration page to configure the non-stop
forwarding (NSF) support mode and to view NSF summary information for
the OSPFv3 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 → OSPFv3 → NSF OSPFv3
Configuration in the navigation panel.
Figure 34-34. NSF OSPFv3 Configuration