| Publisher | Cisco Systems | ||
|---|---|---|---|
| Format | 149.6KB PDF | Date added | 18 Nov 2007 |
| Topics | Switching | ||
| Downloads | 0 | ||
The Integrated IS-IS Nonstop Forwarding Awareness feature allows CPE routers that are NSF-aware to help NSF-capable routers perform nonstop forwarding of packets. The awareness feature is part of the software code; it need not be configured. The local router is not necessarily performing NSF; its awareness of NSF allows the integrity and accuracy of the RIB and link-state database occurring on the neighboring NSF-capable router to be maintained during the switchover process. Customers would want the IS-IS NSF Awareness feature when their routers are neighbors to NSF-capable routers.
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