Method for forwarding message, and method and device for generating table entry
A technology for forwarding messages and entries, which is applied in the field of communication and can solve problems such as large storage space
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Embodiment 1
[0035] The embodiment of the present invention provides a method for forwarding a message, which can be used in a scenario where a hash operation is required. For example, when a router forwards an IP packet whose tunnel protocol is the GRE protocol, according to the packet forwarding method provided by the embodiment of the present invention, a hash factor can be obtained from the IP packet, and then hash operation is performed. see figure 1 , figure 1 It is a flowchart of a method for forwarding a message provided by an embodiment of the present invention, and the method includes:
[0036] 101: Receive an IP packet, where the IP packet includes a public network IP header and a tunnel protocol header. The Internet Protocol packet contains a Tunneling Protocol Identification field. The tunnel protocol identification field is used to identify the tunnel protocol of the Internet protocol packet.
[0037] During specific implementation, the Internet Protocol of the Internet P...
Embodiment 2
[0083] An embodiment of the present invention provides a device for forwarding messages, which can be used in scenarios where hash operations are required. For example, when a router forwards an IP packet whose tunneling protocol is the GRE protocol, the device for forwarding a packet according to the embodiment of the present invention can obtain a hash factor from the IP packet, and then perform a hash operation. see figure 2 , figure 2 It is a schematic diagram of a device for forwarding a message provided by an embodiment of the present invention, and the device includes:
[0084] The receiver 201 is configured to receive an IP packet, and the IP packet includes a public network IP header and a tunnel protocol header. The Internet Protocol packet contains a Tunneling Protocol Identification field. The tunnel protocol identification field is used to identify the tunnel protocol of the Internet protocol packet.
[0085] During specific implementation, the Internet Prot...
Embodiment 3
[0132] The embodiment of the present invention provides a method for generating table entries, which can be used in scenarios where hash operations are required. For example, when a router forwards an IP packet whose tunneling protocol is the GRE protocol, according to the method for generating an entry provided by the embodiment of the present invention, a hash factor may be obtained from the IP packet, and then a hash operation may be performed. see image 3 , image 3 It is a flowchart of a method for generating entries provided by an embodiment of the present invention, and the method includes:
[0133] 301: Generate an entry of the hash control table, the entry includes a tunnel protocol judgment field and a hash factor extraction field, and the tunnel protocol judgment field is used to judge whether the tunnel protocol identification field of the Internet Protocol packet matches the tunnel protocol judgment field , the IP packet includes a public network IP header and ...
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