Billion M500 User Manual page 96

BGP
Border Gateway Protocol (BGP) is a standardized exterior gateway protocol (an uniquely TCP
basded inter-Autonomous System routing protocol) designed to allow setting up an inter-domain
dynamic routing system that automatically updates routing tables of devices running BGP in case of
network topology changes.
BGP: Enable to activate BGP routing.
AS Number: Designate the AS number of local router. The AS number is used to identify the IBGP or
EBGP your neighbor is running.The same AS number means the IBGP, and the different means
EBGP.
Rule Index: A totoal 10 BGP rules are allowed, ranging from 0 to 9.
Neighbor IP: Set your neighbor IP.
Neighbor AS Number: Set your neghbor AS number.
Allowas-in: Enable to allow inter-communication between devices in the same AS. If the local and
neighbor AS number are the same, thus, a inter-AS communication, please enable the allowas-in.
Otherwise, the router only support EBGP routing between different domains.
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