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Method and device for realizing coexistence and synchronization of multiple Ethernet ring protocols

A technology of Ethernet and protocol, which is applied in the field of communication, and can solve problems such as conflicts and inability to handle hardware entries

Active Publication Date: 2021-06-29
FENGHUO COMM SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] At present, the common practice between ring protocols and hardware entries is that the VLAN of the ring protocol is directly mapped to the hardware entry. When multiple ring protocols use the same VLAN, the same VLAN will be mapped to different hardware entries, which will cause hardware Table entry conflicts and cannot be processed

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  • Method and device for realizing coexistence and synchronization of multiple Ethernet ring protocols
  • Method and device for realizing coexistence and synchronization of multiple Ethernet ring protocols
  • Method and device for realizing coexistence and synchronization of multiple Ethernet ring protocols

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example 1 and example 2

[0056] In some of these embodiments, in addition to delivering the vlan configuration of each instance of the ring network protocol to the corresponding software instance, it is also necessary to deliver the port status information of each instance of the ring network protocol to the corresponding software instance.

example 11 and 2，，1PORT1：FWD，2PORT2：DROP，1 and 2 to example 1；1 example 23 and 4，，3PORT3：FWD，4PORT4：DROP，3 and 4 to example 2。2 example 15 and 6，5PORT5：FWD，6PORT6：DROP，5 and 6 to example 3；2 example 27 and 8，，7PORT7：FWD，8PORT8：DROP，7 and 8 to example 4。3 example 19 and 10，，9PORT9：FWD，10PORT10：DROP，9 and 10 to example 5

[0057] Specifically, each instance of the ring network protocol includes not only vlan configuration but also port status information. Following the above example, such as image 3 As shown, instance 1 under ring network protocol 1 includes port 1 and port 2, wherein port 1 is PORT1: FWD, port 2 is PORT2: DROP, and port 1 and port 2 are delivered to software instance 1; ring network protocol Instance 2 under 1 includes port 3 and port 4, where port 3 is PORT3: FWD, port 4 is PORT4: DROP, and port 3 and port 4 are delivered to software instance 2. Instance 1 under ring network protocol 2 includes port 5 and port 6, port 5 is PORT5: FWD, port 6 is PORT6: DROP, and port 5 and port 6 are sent to software instance 3; instance 2 under ring network protocol 2 Port 7 and port 8 are included, wherein port 7 is PORT7: FWD, port 8 is PORT8: DROP, and port 7 and port 8 are delivered to software instance 4. Instance 1 under ring network protocol 3 includes port 9 and port 10, wherein por...

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Abstract

The invention relates to the technical field of communication, and discloses a method and a device for realizing coexistence and synchronization of a plurality of Ethernet ring protocols. The method comprises the following steps: distributing a software instance for each instance of a ring network protocol; issuing the vlan configuration of each instance of the ring network protocol to the corresponding software instance; and mapping the vlan in the software instance to the hardware instance according to an algorithm, so the conflict of mapping valn to different hardware instance tables when a plurality of looped network protocols use the same vlan at the same time can be solved, and coexistence of the plurality of looped network protocols can be realized under the condition of limited hardware resources.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a method and device for realizing the coexistence and synchronization of multiple Ethernet ring protocols. Background technique [0002] Ring protocols commonly used in Ethernet switches include STP / RSTP / MSTP / VBST, G.8031, G.8032, EAPS, loopcheck, smartlink, etc. The current popular practice is to use the method of mutual exclusion of different ring protocols to avoid different ring protocols at the same time. run. Therefore, it is necessary to solve the problem that different ring protocols cannot run simultaneously. [0003] Existing switching chips only have spanning tree hardware entries that are much smaller than the number of VLANs, and due to hardware resource limitations (generally <128 / 256 / 512), multiple VLANs are used to map to one spanning tree hardware entry, and the same VLANs are mapped to the same spanning tree hardware entry. [0004] At present, the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/42H04L12/437H04L12/46
CPCH04L12/42H04L12/437H04L12/4641
Inventor 李松华
Owner FENGHUO COMM SCI & TECH CO LTD
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