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A method and device for processing packets based on RIP

A message processing and message technology, applied in the field of communications, can solve the problems of not being able to forward or discarding messages, and not knowing how to deal with them.

Active Publication Date: 2018-04-06
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When network device 2 receives a message with a destination address of 100.1.3.0 / 24, it matches the aggregated route 100.1.0.0 / 16, and sends the message with a destination address of 100.1.3.0 / 24 to network device 1; network device 1 When receiving a packet with a destination address of 100.1.3.0 / 24, it does not know how to process the packet with a destination address of 100.1.3.0 / 24, and network device 1 cannot forward or discard the packet

Method used

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  • A method and device for processing packets based on RIP
  • A method and device for processing packets based on RIP
  • A method and device for processing packets based on RIP

Examples

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Embodiment Construction

[0036]In view of the problems existing in the prior art, an embodiment of the present invention provides a RIP-based packet processing method, which is applied to a RIP network including multiple network devices. by figure 1 It is a schematic diagram of an application scenario of the embodiment of the present invention. The RIP network includes network device A and network device B. Network device A is a neighbor network device of network device B, and network device B is a neighbor network device of network device A. In the above application scenarios, such as figure 2 As shown, the RIP-based packet processing method includes the following steps:

[0037] Step 201, the network device generates an aggregated route corresponding to multiple routes, and generates an empty interface route corresponding to the aggregated route. The outgoing interface of the empty interface route is the NULL interface, the metric value of the empty interface route is the specified value, and the...

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Abstract

The invention discloses a RIP-based message processing method and equipment, the method comprising: a network device generates an aggregated route, and generates an empty interface route corresponding to the aggregated route; the outbound interface of the empty interface route is a NULL interface, The metric value of the air interface route is a specified value, and the metric value is used to make the network device refuse to publish the air interface route; the network device publishes the aggregated route to a neighbor network device; the network device When receiving a packet, if the packet matches the air interface route, discard the packet. In the embodiment of the present invention, there is no need to manually configure an empty interface route whose outgoing interface corresponding to the aggregated route is a NULL interface.

Description

technical field [0001] The present invention relates to the technical field of communications, in particular to a RIP-based packet processing method and device. Background technique [0002] RIP (Routing Information Protocol, Routing Information Protocol) is a protocol based on a distance vector algorithm. RIP uses the number of hops to measure the distance to a destination address, and the number of hops is called a metric value. In a RIP network, the hop count from a network device (such as a router) to a neighboring network device is 0, the hop count when reachable through a network device is 1, and so on. To limit the convergence time, RIP specifies that the hop count is an integer between 0 and 15. The hop count greater than or equal to 16 is defined as infinite, that is, the destination address is unreachable. [0003] Each network device running RIP manages a routing table, and each record in the routing table includes the following information: [0004] Destination...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/721H04L12/751H04L45/02
Inventor 王剑鸣
Owner NEW H3C TECH CO LTD