Network device and message forwarding method used in network device

A technology for network equipment and forwarding boards, which is applied in data exchange networks, digital transmission systems, instruments, etc., and can solve problems such as prolonging traffic interruption time and data packet flow interruption.

Active Publication Date: 2019-10-08
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] It can be seen that due to the physical switching operation of the I / O bus, the flow of data packets in the network device will be interrupted
Moreover, the initial configuration of the I / O bus after the active / standby switchover will prolong the traffic interruption time
In particular, if the I / O bus adopts the PCI-E (Peripheral Component Interconnect Express, high-speed peripheral component interconnection standard) bus, the initial configuration of the I / O bus after the master-standby switchover will greatly prolong the traffic interruption time

Method used

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  • Network device and message forwarding method used in network device
  • Network device and message forwarding method used in network device
  • Network device and message forwarding method used in network device

Examples

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Embodiment Construction

[0036] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples.

[0037] Such as figure 1 As shown, in one embodiment, the network device 10 includes:

[0038] The first forwarding board 11;

[0039] The second forwarding board 12;

[0040] An interface board 13, the interface board 13 has a logic device 131 and a network interface chip 132, the logic device 131 is connected to the first forwarding board 11 through the first I / O bus 21, and connected to the second forwarding board through the second I / O bus 22 12. Connect to the network interface chip 132 through the network interface bus 23;

[0041] Wherein, the logic device 131 forms the data packet 200a received by the network interface chip 132 from the outside of the network device 10 into a first uplink data packet flow 211 sent to the first forwarding board...

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PUM

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Abstract

The invention discloses a network device and a message forwarding method used in the network device. Through the present invention, the data message received by the network interface chip of the interface board from the outside of the network device can be formed into the first uplink data message flow sent to the first forwarding board through the first I / O bus, and the first uplink data message stream sent to the first forwarding board through the second I / O bus. The second uplink data packet flow sent by the / O bus to the second forwarding board; therefore, when both the first forwarding board and the second forwarding board can realize normal forwarding, there may be The first downlink data packet flow and the second downlink data packet flow independently transmitted by the two I / O buses, and, by selecting the first downlink data packet flow and the second downlink data packet flow with the network interface chip Conducted in one place.

Description

technical field [0001] The invention relates to a network device and a message forwarding method used in the network device. Background technique [0002] The network equipment includes forwarding boards and interface boards, and in order to improve the reliability of forwarding, the forwarding boards can be equipped with active and standby redundancy. [0003] When the active / standby switchover of the forwarding board is required, a physical switching operation may be performed on the I / O bus between the forwarding board and the interface board. That is, the physical connection of the I / O bus between the interface board and the forwarding board degraded to the standby state is disconnected, and a new physical connection of the I / O bus is established between the interface board and the forwarding board promoted to the active state. Moreover, the forwarding board that is promoted to the active state also needs to perform initial configuration on the newly established physica...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/933H04L12/935H04L12/939H04L45/58H04L49/111
CPCH04L49/109H04L49/30H04L49/552H04L49/102G06F13/4022G06F2213/0026G06F11/2002G06F13/385H04L49/40H04L45/38H04L41/0806H04L49/253
Inventor 赵志宇
Owner NEW H3C TECH CO LTD
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