those terms are represented in lowercase in this chapter. Table 3 on page 4 lists
the terms and their variant spellings.
Table 3: Conventions for BGP Terms
In RFCsIn This Chapter
AGGREGATORaggregator
AS_CONFED_SETAS-confed-set
AS_PATHAS-path or AS path
AS_SEQUENCEAS-sequence
AS_SETAS-set
ATOMIC_AGGREGATEatomic-aggregate
CLUSTER_LISTcluster-list
KEEPALIVEkeepalive
LOCAL_PREFlocal-pref
MULTI_EXIT_DISCmultiexit discriminator or MED
NEW_AS_PATHnew-as-path
NEW_AGGREGATORnew-aggregator
NEXT_HOPnext-hop or next hop
NO_ADVERTISEno-advertise
NO_EXPORTno-export
NO_EXPORT_SUBCONFEDno-export-subconfed
NOTIFICATIONnotification
OPENopen
ORIGINorigin
ORIGINATOR_IDoriginator-ID
ROUTE-REFRESHroute-refresh
UPDATEupdate
Autonomous Systems
An autonomous system (AS) is a set of routers that use the same routing policy while
running under a single technical administration. An AS runs interior gateway protocols
4 â– Overview
JUNOSe 11.1.x BGP and MPLS Configuration Guide