Cisco Nexus 3000 Series Configuration Manual page 328

Glossary
S e n d d o c u m e n t c o m m e n t s t o n e x u s 3 k - d o c f e e d b a c k @ c i s c o . c o m
S
Shortest Path First algorithm. Dijkstra's algorithm used by OSPF to determine the shortest route
SPF algorithm
through a network to a particular destination.
Routes learned from an interface are not advertised back along the interface they were learned on,
split horizon
preventing the router from seeing its own route updates.
Routes learned from an interface are set as unreachable and advertised back along the interface they
split horizon with
were learned on, preventing the router from seeing its own route updates.
poison reverse
A manually configured route.
static route
An OSPF area that does not allow AS External (type 5) LSAs.
stub area
A router that has no direct connection to the main network and which routes to that network using a
stub router
known remote router.
Switched Virtual Interface.
SVI
U
Unicast IPv4 forwarding information base.
UFIB
Unicast IPv4 routing information base. The unicast routing table that gathers information from all
URIB
routing protocols and updates the forwarding information base for each module.
V
A method of making a physical entity act as multiple, independent logical entities.
virtualization
Virtual Routing and Forwarding. A method used to create separate, independent Layer 3 entities within
VRF
a system.
Virtual Router Redundancy Protocol.
VRRP
Cisco Nexus 3000 Series NX-OS Unicast Routing Configuration Guide, NX-OS Release 5.0(3)U1(1)
GL-6