Ethernet message forwarding method and access device

An access device and message forwarding technology, applied in the field of switches, can solve the problems of backup routers not being able to forward messages and idle forwarding resources, etc., and achieve the effect of improving the utilization rate of forwarding resources

Active Publication Date: 2014-06-18
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Since only the active router in the backup group can forward packets, the backup router is in the monitoring state

Method used

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  • Ethernet message forwarding method and access device
  • Ethernet message forwarding method and access device
  • Ethernet message forwarding method and access device

Examples

Experimental program
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Embodiment Construction

[0028] The invention provides an Ethernet message forwarding method, which is applied to an access device connected between a client and a VRRP backup group. The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0029] figure 2 Shown is a flowchart of a method for forwarding packets provided by an access device according to an embodiment of the present invention, as shown in figure 2 As shown, the method includes:

[0030] Step 201, providing multiple ports;

[0031] Step 202, connect a port with a layer 3 Ethernet interface set on a member device of the virtual router.

[0032] Wherein, the three-layer Ethernet interface of each of the member devices of the virtual router has the same virtual IP address and virtual MAC address;

[0033] Step 203, receiving Ethernet packets;

[0034] Step 204, select one of the multiple ports, and send the Ethernet packet whose destination MAC address is the vir...

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PUM

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Abstract

The invention provides an Ethernet message forwarding method and an access device. The method comprises the following steps: providing a plurality of ports; connecting one of the ports with a three-layer Ethernet interface of a member device arranged in a virtual router, wherein three-layer Ethernet interfaces of all member devices of the virtual router have the same virtual IP address and the same virtual MAC address; receiving an Ethernet message; and selecting one of the ports, and sending the Ethernet message of which the target MAC address is the virtual MAC address through the port. By adopting the Ethernet message forwarding method and the access device of the invention, service forwarding load sharing of a backup group is realized.

Description

technical field [0001] The invention relates to a switch, in particular to an Ethernet message forwarding method and access equipment. Background technique [0002] The same default route with the gateway as the next hop is set on the hosts in the same network segment in the LAN. Messages sent by the host to other network segments outside the LAN or in the LAN will be sent to the gateway through the default route, and then forwarded by the gateway, so as to realize the communication between the hosts in different network segments in the LAN and the communication between the host in the LAN and the external network. [0003] The Virtual Router Redundancy Protocol (VRRP: VirtualRouterRedundancyProtocol) adds a group of routers that can assume the function of a gateway to the backup group, which is functionally equivalent to a virtual router. [0004] by figure 1 The shown networking is taken as an example, and the routing device 121, the routing device 122, and the routing d...

Claims

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Application Information

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IPC IPC(8): H04L12/741H04L45/74
CPCH04L49/00H04L45/00H04L49/552H04L49/351H04L49/557H04L45/7452H04L45/66H04L45/745
Inventor 高瑞昌王琮
Owner NEW H3C TECH CO LTD
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