Cisco Nexus 7000 Series Configuration Manual page 516

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 7 k - d o c f e e d b a c k @ c i s c o . c o m .
I
Internal Border Gateway Protocol (BGP). Operates within an autonomous system.
iBGP
ICMP
Internet Engineering Task Force Request for Comments.
IETF RFCs
Interior gateway protocol. Used between routers within the same autonomous system.
IGP
An independent, configurable entity, typically a protocol.
instance
IP tunnels
Internet Protocol version 4.
IPv4
Internet Protocol version 6.
IPv6
Intermediate System to Intermediate System. An ISO interior gateway protocol.
IS-IS
K
A special message sent between routing peers to verify and maintain communications between the pair.
keepalive
A method of controlling authentication keys. See the Cisco NX-OS Security Configuration Guide.
key-chain
management
L
An arbitrary number configured on an OSPF interface which is in shortest path first calculations.
link cost
Shares information about a link, link cost to neighboring routers.
link-state
See LSA.
link-state
advertisement
Link-state advertisement. An OSPF message to share information on the operational state of a link, link
LSA
cost, and other OSPF neighbor information.
OSPF database of all LSAs received. OSPF uses this database to calculate the best path to each
link-state database
destination in the network.
The time that OSPF floods the network with LSAs to ensure all OSPF routers have the same
link-state refresh
information.
The degree to which a network resource, such as a router, is busy.
load
The distribution of network traffic across multiple paths to a given destination.
load balancing
Cisco Nexus 7000 Series NX-OS Unicast Routing Configuration Guide, Release 4.x
GL-4
OL-20002-02