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System and method for load sharing of network layer with multiple network interface cards terminal equipment

A terminal equipment and load sharing technology, applied in the communication field, can solve problems such as business flow load sharing, low network reliability, and insufficient utilization of network resources, so as to achieve load sharing and avoid single point failures

Active Publication Date: 2007-03-07
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, when this solution is adopted, data can only be forwarded by the main router, and the two routers at the network layer cannot implement load sharing for business flows according to actual needs, and network resources cannot be fully utilized; If the switch has a single point of failure, the terminal device 11 will interrupt the communication with the external network, and the network reliability is not high

Method used

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  • System and method for load sharing of network layer with multiple network interface cards terminal equipment
  • System and method for load sharing of network layer with multiple network interface cards terminal equipment
  • System and method for load sharing of network layer with multiple network interface cards terminal equipment

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Embodiment 1

[0056] Embodiment 1, when the network layer load sharing system shown in FIG. 2 and the terminal device shown in FIG. 3 are used, the flow of a network layer load sharing method of the present invention is shown in FIG. 4 . First configure the address information of the network cards 213 and 214, and then the terminal device 21 sends data to the wide area network 24 in parallel through the router 22 and the router 23, so as to realize the load sharing of the network layer routers. With reference to Fig. 4, the present invention comprises the following steps:

[0057] In step s101, the terminal device binds multiple network cards. That is, the terminal device 21 binds the network card 213 and the network card 214 .

[0058] Step s102, configuring external addresses of multiple network cards. This external address is in the same network segment as the address of interface 1 of router 22 and interface 1 of router 23, assuming that the address of interface 1 of router 22 is 1.1....

Embodiment 2

[0064] Embodiment 2, when using the network layer load sharing system shown in Figure 2 and the terminal equipment shown in Figure 3, if the router 22 or the link between the router 22 and the network card 213 fails, the network card 213 cannot receive the router 22. or the interface 2 of the router 22 fails, and the priority of the router 22 is reduced according to the VRRP rule. The fault processing flow of the present invention is as shown in Figure 5, comprises the following steps:

[0065] In step s201, the terminal device binds multiple network cards. That is, the terminal device 21 binds the network card 213 and the network card 214 .

[0066] Step s202, configuring external addresses of multiple network cards. This external address is in the same network segment as the address of interface 1 of router 22 and interface 1 of router 23, assuming that the address of interface 1 of router 22 is 1.1.1.4, and the address of interface 1 of router 23 is 1.1.1.5, then configur...

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Abstract

This invention discloses one terminal device, which comprises net card match unit, fault test unit and multiple card set unit connected to fault test unit. The invention also discloses one network load sharing system with multiple terminal device comprising multi-terminal device and multiple routers and broadcast network. The terminal device is connected to routers through network card connecting to wide network. This invention also discloses one multi-terminal device network loading method, which comprises steps of setting address information and then sending data by terminal device through multiple routers.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a network layer load sharing system and method with multiple network card terminals. Background technique [0002] With the deepening and development of network applications, users have higher and higher requirements for network reliability. In order to improve the reliability of the network, multiple routers are often used in network construction, and VRRP (Virtual Router Redundancy Protocol, Virtual Router Redundancy Protocol) is used to realize uninterrupted communication between hosts in the network and external networks. VRRP is a fault-tolerant protocol for LAN (Local Area Network, local area network) access equipment. This protocol can realize that when the next-hop router of the host fails, it can switch to another router in time, thereby maintaining the continuity of communication and reliability. [0003] VRRP forms a group of routers in a LAN into a virtual ro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/10H04L12/66
Inventor 周迪黄波
Owner NEW H3C TECH CO LTD
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