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Message forwarding method and device applied in trill network

A message and network technology, applied in the field of network communication, which can solve the problems of limited VLANID resources and hindering the large-scale application of user network services.

Active Publication Date: 2018-04-20
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, VLAN ID resources are limited, which will hinder the large-scale application of user network services

Method used

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  • Message forwarding method and device applied in trill network
  • Message forwarding method and device applied in trill network
  • Message forwarding method and device applied in trill network

Examples

Experimental program
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Effect test

example 1

[0045] Routing bridge RB2 configured with tenant instance 1 carried in the IS-IS packet uses the Ingress Nickname in the TRILL-encapsulated IS-IS packet, and the tenant instance 1 and MAC address 000f-ffff-0001 carried in the IS-IS packet in the The local forwarding table learns forwarding table items. Table 1-2 shows the forwarding entries learned from the TRILL-encapsulated IS-IS packets in the local forwarding table of RB2:

[0046] MAC address

Tenant instance

out interface

000f-ffff-0001

Tenant instance 1

Nickname RB1

[0047] Table 1-2

[0048] Routing bridge RB1 broadcasts the ARP request message through other local interfaces of tenant instance 1 (for example, interface Port1_3).

[0049] Routing bridge RB1 encapsulates the ARP request message into an ARP request message encapsulated by TRILL that carries tenant instance 1 information; wherein, IngressNickname and Ingress Nickname in the TRILL header are respectively the Nickname R...

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Abstract

This application provides a message forwarding method and device applied in a TRILL network. Wherein, the method includes: receiving a local message through a local access interface; determining the tenant instance to which the local message belongs; sending a TRILL-encapsulated tenant instance address message to other routing bridges, wherein the tenant instance address message is at least carrying the tenant instance identifier to which the local message belongs and the source MAC address of the local message; learning forwarding entries according to the tenant instance identifier to which the local message belongs and the source MAC address; according to the local message The forwarding entry that matches the tenant instance identifier to which the local packet belongs and the destination MAC address of the local packet forwards the local packet. The present invention isolates user-side services through tenant instances.

Description

technical field [0001] The present application relates to network communication technologies, and in particular to a message forwarding method and device applied in Transparent Interconnection of Lots of Links (TRILL). Background technique [0002] The TRIL protocol introduces the design idea of ​​the three-layer routing technology Intermediate System-to-Intermediate System (IS-IS: Intermediate System-to-Intermediate System) into the network, thus combining the simplicity and flexibility of the three-layer routing technology with the stability, scalability and high performance of the three-layer organically. Combined, it is very suitable for the needs of data centers to build large-scale networks. [0003] In the current TRILL network, user-side services must use Virtual Local Area Network (VLAN: Virtual LocalArea Network) identification (ID) for service isolation. Users in the same VLAN can access each other, and users in different VLANs must pass through the gateway. Mutu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/741H04L12/46H04L45/74
Inventor 宋小恒
Owner NEW H3C TECH CO LTD
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