Catalyst 3750-E and 3560-E Switch Cisco IOS ... - DNIP . NET

nsfChapter 2Catalyst 3750-E and 3560-E Switch Cisco IOS CommandsnsfUse the nsf router configuration command on a switch stack or standalone switch to enable and configureCisco nonstop forwarding (NSF) for Open Shortest Path First (OSPF) or Enhanced Interior GatewayRouting Protocol (EIGRP) routing. Use the no form of this command to disable NSF.nsf [enforce global]no nsfSyntax Descriptionenforce global(Optional) Cancel OSPF NSF restart when non-NSF-aware neighbors aredetected. These keywords are visible only in OSPF router configurationmode.DefaultsNSF is disabled.The enforce global option is enabled (OSPF only).Command ModesRouter configuration (OSPF or EIGRP)Command HistoryRelease12.2(35)SE2ModificationThis command was introduced.Usage GuidelinesThe nsf command is a router configuration command and affects all interfaces that are covered by thedesignated routing process. The switch supports Cisco NSF for OSPF and EIGRP protocols.When NSF is enabled and a stack master switchover is detected, the NSF-capable routers rebuild routinginformation from NSF-aware or NSF-capable neighbors and do not wait for a restart.ExamplesThis example shows how to enable OSPF NSF:Switch(config)# router ospf 100Switch(config-router)# nsfUse the show ip ospf privileged EXEC command to verify that OSPF NSF is enabled.This example shows how to enable EIGRP NSF:Switch(config)# router eigrp 1Switch(config-router)# nsfUse the show ip protocols privileged EXEC command to verify that EIGRP NSF is enabled.2-410Catalyst 3750-E and 3560-E Switch Command ReferenceOL-9776-08