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Nickname conflict processing method and device in TRILL network

A processing method and technology of a processing device, applied in the field of communications, can solve problems such as normal forwarding of data traffic, temporary interruption of traffic forwarding, recalculation, instability of TRILL network, etc.

Active Publication Date: 2014-08-13
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the two RB devices that always exist in the TRILL network, if a nickname conflict occurs, it is inevitable for the RB with a lower priority to modify the nickname, otherwise it will affect the normal forwarding of data traffic
However, if the RB device with high priority no longer exists but its LSP is not aging, if an RB with low priority joins the TRILL network and uses the same nickname, there is no need to modify the nickname, otherwise, traffic forwarding will be temporarily delayed. Interruption and recalculation of a large number of routing table entries, making the TRILL network unstable

Method used

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  • Nickname conflict processing method and device in TRILL network
  • Nickname conflict processing method and device in TRILL network

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Embodiment Construction

[0017] In order to make the object, technical solution and advantages of the present invention clearer, the solutions of the present invention will be further described in detail below with reference to the accompanying drawings and examples.

[0018] see figure 1 , figure 1 It is a flowchart of a method for handling nickname conflicts in a TRILL network according to an embodiment of the present invention, and mainly includes the following steps:

[0019] Step 101, the current RB receives LSP messages sent by other RBs.

[0020] In a TRILL network, each RB periodically sends LSP packets to advertise topology information. The RB that receives the LSP message will update its own LSDB according to the received LSP message, and perform nickname conflict detection.

[0021] Step 102 , judge whether a nickname conflict occurs according to the received LSP message, if yes, go to step 103 , otherwise, go to step 109 .

[0022] The method of judging whether a nickname conflict occu...

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Abstract

A first routing bridge (RB) according to an example determines whether there is a nickname conflict between nicknames of the first RB and a second RB. If there is a nickname conflict, the first RB determines whether it is a lower priority RB and may modify its nickname if it is lower priority and based on a broadcast of link state packet from the second RB.

Description

technical field [0001] The present application relates to the field of communication technologies, and in particular to a method and device for handling nickname conflicts in a Transparent Interconnection of Lots of Links (TRILL) network. Background technique [0002] TRILL is a link layer (L2) networking standard recommended by the Internet Engineering Task Force (IETF) to address the shortcomings of the Spanning Tree (STP) protocol in large data centers. [0003] In a TRILL network, a device running the TRILL protocol is called a routing bridge (Routing Bridge, RB) device, and each RB device has a nickname unique to the entire network. When calculating routing entries, the nickname of each RB is used to calculate unicast routing entries and multicast routing entries, and changes in nicknames will lead to recalculation of routing entries. When a nickname conflict occurs, it is necessary to handle the conflict. The current solution is: all RBs with a nickname conflict will ...

Claims

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Application Information

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IPC IPC(8): H04L12/705H04L45/02H04L45/18H04L45/28
CPCH04L45/28H04L45/02H04L49/557
Inventor 邹文宇曲进
Owner NEW H3C TECH CO LTD
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