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
CN103401780AInactive Publication Date: 2013-11-20BEIJING XINWANG RUIJIE NETWORK TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
BEIJING XINWANG RUIJIE NETWORK TECH CO LTD
Publication Date
2013-11-20
Estimated Expiration
Not applicable · inactive patent

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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.
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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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