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Method and device for detecting state of BGP (Border Gateway Protocol) session and network equipment

A technology of network equipment and status, applied in the field of network communication, can solve problems such as complex configuration

Pending Publication Date: 2022-07-19
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In this way, since both sides of the BGP session need to add new configurations, the configuration will be complicated

Method used

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  • Method and device for detecting state of BGP (Border Gateway Protocol) session and network equipment
  • Method and device for detecting state of BGP (Border Gateway Protocol) session and network equipment
  • Method and device for detecting state of BGP (Border Gateway Protocol) session and network equipment

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Embodiment Construction

[0053] In order to make the objectives, technical solutions and advantages of the present application clearer, the embodiments of the present application will be further described in detail below with reference to the accompanying drawings.

[0054] In order to facilitate the understanding of the embodiments of the present application, the following first introduces the concepts of the nouns involved:

[0055] 1. BGP neighbor relationship means that two network devices that have established a BGP session are BGP neighbor relationships.

[0056] 2, SBFD, is a rapid detection protocol. SBFD achieves reachability detection by rapidly and uninterruptedly publishing protocol packets. SBFD is divided into an initiator and a reflector. The initiator can create an SBFD session. More information on SBFD can be found in RFC7880, the entire contents of which are hereby incorporated by reference as if fully stated.

[0057] In the BGP routing protocol, a first network device and a seco...

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Abstract

The invention provides a method and device for detecting the state of a BGP session and network equipment, and belongs to the technical field of network communication. The method is applied to a first network device, the first network device and a second network device are in a BGP neighbor relationship, and the method comprises the following steps: the first network device creates an SBFD session, the SBFD session is an SBFD session corresponding to a BGP session between the first network device and the second network device, the first network device is an initiating end of the SBFD session, the second network device is a reflecting end of the SBFD session, and the SBFD session is a BGP session between the first network device and the second network device. The BGP session is a session created based on the BGP neighbor relationship. And the first network equipment sends an SBFD message to the second network equipment based on the SBFD session, and the first network equipment determines the state of the BGP session based on the feedback condition of the second network equipment to the SBFD message. By adopting the method and the device, the configuration of both parties of the BPG session can be simplified.

Description

technical field [0001] The present application relates to the technical field of network communication, and in particular, to a method, apparatus and network device for detecting the state of a border gateway protocol (BGP) session. Background technique [0002] BGP is a distance vector routing protocol that achieves the reachability of routes between autonomous systems (AS) and selects the best route. In the BGP routing protocol, after the first network device and the second network device establish a BGP session, the first network device and the second network device use a slow hello message mechanism to detect link failures. The slow hello message transmission interval is usually Second-level, in this way, in the delay-sensitive network, second-level detection failure is unacceptable. At this time, bidirectional forwarding detection (BFD) emerges as the times require. BFD can provide millisecond-level fault detection and realize rapid detection of link faults. Therefore...

Claims

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Application Information

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IPC IPC(8): H04L67/141H04L43/10
CPCH04L67/141H04L43/10H04L43/0811H04L45/28H04L45/026H04L41/0677H04L45/122H04L45/42
Inventor 黎文岩王海波王丽丽李磊
Owner HUAWEI TECH CO LTD