Method and device for establishing a bgp neighbor

A method for establishing a neighbor and a technology for neighbors, applied in the field of communication, which can solve problems such as route flapping and affecting the normal selection of routes.
CN104270307BActive Publication Date: 2018-07-24NEW H3C TECH CO LTD
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Patents(China)
Current Assignee / Owner
NEW H3C TECH CO LTD
Publication Date
2018-07-24

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Abstract

The present invention provides a method and equipment for establishing a BGP neighbor. The method includes: the local router receives a neighbor establishment request message sent by the peer router, and the neighbor establishment request message carries the alliance identifier of the peer router; When the confederation identifier is the same as one configuration identifier in at least one configuration identifier of the local router, the local router establishes a BGP neighbor relationship with the peer router. According to the above scheme, by adding the confederation identifier in the first message sent by establishing a BGP neighbor relationship between the local router and the peer router, the local router can configure the identifier according to at least one confederation identifier of the peer router. Whether it is the same as the configuration ID of the local router Determine whether to establish a BGP neighbor relationship with the peer router to ensure that after the BGP neighbor is established, all routers in the same confederation have the same confederation ID, thereby eliminating routing loops and route flapping problems.
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Description

technical field

[0001] The invention relates to the technical field of communication, in particular to a method and equipment for establishing a BGP neighbor. Background technique

[0002] BGP (Border Gateway Protocol, Border Gateway Protocol) is a dynamic routing protocol between ASs (Autonomous Systems, autonomous systems), and is used for exchanging routes between this autonomous system and external autonomous systems. Confederation is used to solve the problem of the surge of IBGP (Interior BGP, internal BGP) network connections inside the AS, such as figure 1 as shown, figure 1 It shows two autonomous systems AS (including AS100 and AS200), where the IBGP network connection in AS200 surges, at this time, the confederation technology can be applied, which regards the autonomous system AS200 as a confederation, and uses AS200 as the confederation identifier of the confederation , the federation is divided into several autonomous systems (such as figure 1 AS65002, AS650...

Claims

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