Data packet forwarding method, routing table generation method and device
A data packet and routing technology, which is applied in the field of Internet communication, can solve the problems that IP addresses cannot be effectively used, and IP addresses are unfavorable for management, so as to achieve the effect of reducing the number and improving the utilization rate
Active Publication Date: 2016-05-04
SHENZHEN TENCENT COMP SYST CO LTD
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Problems solved by technology
[0006] In order to solve the problem that four IP addresses must be allocated to each link between the core switch and the access switch, a large number of IP addresses generated are not conducive to management, and a large number of IP addresses cannot be effectively used, the embodiment of the present invention provides A data packet forwarding method, routing table generation method and device
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[0052]In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0053] figure 2 is a schematic diagram of a possible implementation environment involved in various embodiments of the present invention, and the implementation environment includes a core switch C1, a core switch C2, an access switch T1, an access switch T2, an access switch T3, an access switch T4, and Controller K.
[0054] Such as figure 2 As shown, the core switch C1 is directly connected to the access switch T1, access switch T2, access switch T3, and access switch T4 through optical fibers or network cables; the core switch C2 is respectively connected to the access switch T1 and access Switch T2, access switch T3, and access switch T4 are directly connected.
[0055] The core switch C1 , the core switch C2 , the access swit...
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The invention discloses a data packet forwarding and routing table generation method and device, belonging to the field of Internet communication. The data packet forwarding method comprises: the switch obtains the destination IP address of the data packet; the switch searches the routing table for a next-hop IP address corresponding to the destination IP address according to the destination IP address; the switch according to the next-hop The IP address sends the data packet to the neighbor switch; the routing table generating method includes: the controller receives neighbor topology information reported by each switch; the controller generates a neighbor information table according to the neighbor topology information; the controller generates a neighbor information table according to the The neighbor information table generates a routing table for each switch; the controller delivers the routing table to each switch. The present invention achieves the effect of only assigning one loopback address to each switch to realize the routing of data packets, reducing the number of IP addresses to be assigned and improving the utilization rate of IP addresses.
Description
technical field [0001] The invention relates to the field of Internet communication, in particular to a data packet forwarding method, a routing table generating method and a device. Background technique [0002] A data center is usually provided with a switching network, and the switching network is used to implement routing and transmission of data packets. [0003] Please refer to figure 1 , which shows a schematic structural diagram of a switching network in the prior art. The switching network includes: two core switches C1 and C2 on the upper layer, and four access switches T1, T2, T3 and T4 on the lower layer. Each core switch is directly connected to each access switch, and each port of the core switch and each port of the access switch is configured with a port IP address. Take the core switch C1 and the access switch T1 as an example, the port eth1 of the core switch C1 is connected to the port eth1 of the access switch T1, and the link between these two ports i...
Claims
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IPC IPC(8): H04L12/741H04L45/74
Inventor 何权
Owner SHENZHEN TENCENT COMP SYST CO LTD