Cisco ASR 900 Series User Manual

Border Gateway Protocol --See BGP.
FIB --Forwarding Information Base. A table that contains a copy of the forwarding information in the IP
routing table.
Forwarding Information Base --See FIB.
label --A short, fixed-length identifier that tells switching nodes how the data (packets or cells) should be
forwarded.
label binding --An association between a label and a set of packets, which can be advertised to neighbors so
that a label switched path can be established.
Label Distribution Protocol --See LDP.
Label Forwarding Information Base --See LFIB.
label imposition --The act of putting the first label on a packet.
label switching router --See LSR.
LDP --Label Distribution Protocol. The protocol that supports MPLS hop-by-hop forwarding by distributing
bindings between labels and network prefixes.
LFIB --Label Forwarding Information Base. A data structure in which destinations and incoming labels are
associated with outgoing interfaces and labels.
LSR --label switching router. A Layer 3 router that forwards a packet based on the value of an identifier
encapsulated in the packet.
MPLS --Multiprotocol Label Switching. An industry standard on which label switching is based.
MPLS hop-by-hop forwarding --The forwarding of packets along normally routed paths using MPLS
forwarding mechanisms.
Multiprotocol Label Switching --See MPLS.
Resource Reservation Protocol --See RSVP.
RIB --Routing Information Base. A common database containing all the routing protocols running on a router.
Routing Information Base --See RIB.
RSVP --Resource Reservation Protocol. A protocol for reserving network resources to provide quality of
service guarantees to application flows.
traffic engineering --Techniques and processes used to cause routed traffic to travel through the network on
a path other than the one that would have been chosen if standard routing methods were used.
Virtual Private Network --See VPN.
VPN --Virtual Private Network. A network that enables IP traffic to use tunneling to travel securely over a
public TCP/IP network.
MPLS Basic Configuration Guide, Cisco IOS XE Everest 16.5.1 (Cisco ASR 900 Series)
10
Multiprotocol Label Switching (MPLS) on Cisco Routers
Glossary

Cisco ASR 900 Series Specifications

General

Brand	Cisco
Model	ASR 900 Series
Category	Network Router
Language	English