Method and equipment for building routing by linking RIP (routing information protocol) with BFD (bidirectional forwarding detection)

A session detection and routing technology, applied in the field of communication, can solve problems such as routing vibration

Inactive Publication Date: 2013-11-20
BEIJING XINWANG RUIJIE NETWORK TECH CO LTD
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  • Abstract
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  • Claims
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Problems solved by technology

[0010] The embodiment of the present invention provides a method and device for establishing a route through routing information protocol linkage two-way s

Method used

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  • Method and equipment for building routing by linking RIP (routing information protocol) with BFD (bidirectional forwarding detection)
  • Method and equipment for building routing by linking RIP (routing information protocol) with BFD (bidirectional forwarding detection)
  • Method and equipment for building routing by linking RIP (routing information protocol) with BFD (bidirectional forwarding detection)

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Embodiment Construction

[0039] Aiming at the problem of route flapping when the forwarding path is single-pass in the existing route establishment method, the embodiment of the present invention provides a method for establishing a route by RIP linkage with BFD. The process of the inventive method is as follows: figure 2 As shown, the execution steps are as follows:

[0040] S20: After receiving the first RIP response message sent by the peer device, add the peer device as a RIP neighbor, and periodically detect the neighbor status of the peer device.

[0041] The first RIP response packet can be the first RIP response packet received by the local device from the peer device, or it can be the second, third, etc., based on which the local device establishes a RIP neighbor relationship with the peer device The RIP response packet is the first RIP response packet.

[0042] After the peer device is added as a RIP neighbor, it starts to periodically detect the neighbor status of the peer device, and the d...

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Abstract

The invention discloses a method and equipment for building a routing by linking RIP (routing information protocol) with BFD (bidirectional forwarding detection). The method comprises the following steps of receiving a first RIP responding message sent by opposite end equipment, then, adding the opposite end equipment as an RIP neighbor, and periodically detecting the neighbor state of the opposite end equipment; adding routing information in the first RIP responding message to a routing table if the detected neighbor state is UP; receiving subsequent RIP responding messages sent by the opposite end equipment, then, determining the detected neighbor state of the opposite end equipment, and adding the routing information in the subsequent RIP responding messages to the routing table if the neighbor state is UP; deleting the routing information of the opposite end equipment in the routing table if the neighbor state is DOWN and the routing information of the opposite end equipment is stored in the routing table. According to the scheme, when a path single pass is transmitted, the routing oscillation phenomenon is avoided.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a routing information protocol (Routing Information Protocol, RIP) linked bidirectional session detection (Bidirectional Forwarding Detection, BFD) to establish a method and device. Background technique [0002] RIP is an interior gateway protocol formulated by the Internet Engineering Task Force (IETF). It adopts the distance vector algorithm and is widely used in small-scale and same-media networks. [0003] RIP packets are divided into two types: RIP request packets are used to request neighbors to send routing information; RIP response packets are used to respond to RIP request packets or periodically notify the device of routing information. RIP contains two timers: route update timer, which defines the period for sending RIP response messages, and sends RIP response messages when the timer expires; route survival timer, which defines the aging time of routing...

Claims

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Application Information

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IPC IPC(8): H04L12/705H04L12/757H04L45/18
Inventor 黄崇滨
Owner BEIJING XINWANG RUIJIE NETWORK TECH CO LTD
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