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A packet forwarding method, hub-pe and hub-ce

A HUB-PE, HUB-CE technology, applied in the message forwarding method, HUB-PE and HUB-CE fields, can solve the problem of insufficient private network labels

Active Publication Date: 2016-11-30
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, this application provides a message forwarding method, HUB-PE and HUB-CE, which can solve the problem of insufficient private network labels

Method used

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  • A packet forwarding method, hub-pe and hub-ce
  • A packet forwarding method, hub-pe and hub-ce
  • A packet forwarding method, hub-pe and hub-ce

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0084] see figure 2 , figure 2 It is a schematic flowchart of the method for implementing message forwarding in the HUB-PE in Embodiment 1 of the present application. The specific steps are:

[0085] In step 201, the HUB-PE receives a message sent by the Spoke-PE that uses the service identifier allocated by the HUB-PE for the Spoke-PE as an outer VLAN tag.

[0086] In the embodiment of the present application, after the above configuration, when the Spoke-PE sends a message to the HUB-PE, it will encapsulate the obtained service identifier as an outer VLAN tag.

[0087] Step 202, the HUB-PE pops up the public network label and the private network label of the message, and forwards the message to the HUB-CE through the port connected to the HUB-CE in the HUB-Spoke network, so that the HUB-CE learns The value of the outer VLAN tag of the packet.

[0088] When the Spoke-PE sends a message to the HUB-PE, it needs to encapsulate the public network label and the private netwo...

Embodiment 2

[0095] see Figure 4 , Figure 4 It is a schematic flowchart of a method for forwarding packets by the HUB-PE in Embodiment 2 of the present application. The specific steps are:

[0096] Step 401, when the HUB-PE receives the message sent by the HUB-CE, it determines the corresponding AC according to the value of the outer VLAN tag of the received message. - Obtained by learning from packets sent by the PE.

[0097] It can be known from Embodiment 1 that the outer VLAN tag of the message sent by the HUB-PE to the HUB-CE is encapsulated with the same service identifier as the VLAN ID of the corresponding AC. Therefore, when the HUB-CE receives the message, it will When the message is learned, the VLAN ID of the AC can be learned, and when the message is sent to the HUB-PE, the VLAN ID will be encapsulated in the outer VLANtag. When the HUB-PE receives the packet sent by the HUB-CE, it can determine the corresponding AC according to the value of the outer VLAN tag of the pac...

Embodiment 3

[0103] The HUB-PE assigns different service identifiers to each Spoke-PE, that is, the value of the service identifier assigned by the HUB-PE to each Spoke-PE has nothing to do with the value of the assigned VLAN ID of the AC, and other configurations are the same as those in Embodiment 1. See the specific process Figure 5 , Figure 5 It is a schematic flowchart of a method for forwarding packets by the HUB-PE in Embodiment 3 of the present application. The specific steps are:

[0104] Step 501, when the HUB-PE receives a message sent by the Spoke-PE that uses the service identifier assigned by the HUB-PE for the Spoke-PE as the outer VLAN tag, it pops up the public network label and the private network label of the message .

[0105] In step 502, the HUB-PE determines the Spoke-PE that sends the message according to the outer VLAN tag of the message that pops up the tag, and determines the corresponding AC according to the determined Spoke-PE.

[0106] Step 503, the HUB-...

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Abstract

This application discloses a message forwarding method, the method includes: HUB-PE assigns the same private network label to each Spoke-PE in the same HUB-Spoke network, which is only used to distinguish which HUB-Spoke network message; assign different service identifiers to each Spoke-PE to distinguish which Spoke-PE the message comes from for message forwarding. Based on the same inventive idea, this application also proposes a HUB-PE and HUB-CE, which can solve the problem of insufficient private network labels.

Description

technical field [0001] The present application relates to the technical field of communication, and in particular to a message forwarding method, HUB-PE and HUB-CE. Background technique [0002] Virtual Private LAN Service (VPLS) is a point-to-multipoint Layer 2 Virtual Private Network (L2VPN) service provided in public networks. VPLS connects geographically separated user network sites through MPLS or IP backbone network to form a user network across the backbone network. The backbone network simulates a virtual switch that connects multiple customer network sites together. Service providers can provide VPLS services for different customer networks by simulating different virtual switches for different customer networks on the backbone network. The backbone network is transparent to the sites of the user network, and each site of the user network is like working in a local area network. [0003] Hub (Hub)-Spoke (Spoke) networking refers to the networking mode in which the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/723H04L12/46H04L29/12
Inventor 赵昌峰
Owner NEW H3C TECH CO LTD
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