CN112804129B - Message transmission method and system, transmitting end VPN equipment and GRE splicing equipment - Google Patents

Message transmission method and system, transmitting end VPN equipment and GRE splicing equipment Download PDF

Info

Publication number
CN112804129B
CN112804129B CN201911109497.XA CN201911109497A CN112804129B CN 112804129 B CN112804129 B CN 112804129B CN 201911109497 A CN201911109497 A CN 201911109497A CN 112804129 B CN112804129 B CN 112804129B
Authority
CN
China
Prior art keywords
gre
address
message
tunnel
vpn
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201911109497.XA
Other languages
Chinese (zh)
Other versions
CN112804129A (en
Inventor
戴烨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZTE Corp
Original Assignee
ZTE Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZTE Corp filed Critical ZTE Corp
Priority to CN201911109497.XA priority Critical patent/CN112804129B/en
Priority to PCT/CN2020/126191 priority patent/WO2021093641A1/en
Publication of CN112804129A publication Critical patent/CN112804129A/en
Application granted granted Critical
Publication of CN112804129B publication Critical patent/CN112804129B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46—Interconnection of networks
    • H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46—Interconnection of networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46—Interconnection of networks
    • H04L12/4633—Interconnection of networks using encapsulation techniques, e.g. tunneling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/24—Multipath
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/50—Routing or path finding of packets in data switching networks using label swapping, e.g. multi-protocol label switch [MPLS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/09—Mapping addresses
    • H04L61/25—Mapping addresses of the same type
    • H04L61/2503—Translation of Internet protocol [IP] addresses
    • H04L61/2592—Translation of Internet protocol [IP] addresses using tunnelling or encapsulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/22—Parsing or analysis of headers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The application provides a message transmission method and a system, a transmitting end VPN device and a GRE splicing device, wherein the message transmission method is suitable for splicing a plurality of sections of general route encapsulation GRE tunnels in a transmission path, and the two ends of the transmission path are VPN nodes, and the method comprises the following steps: and under the condition that the transmission path is determined to have a plurality of sections of GRE tunnels, the transmitting-end VPN equipment transmits a first GRE message encapsulated with a destination IP address, wherein the destination IP address is the address of the receiving-end VPN equipment. The application solves the problem that the splicing node can not forward the message to the destination VPN node in the GRE splicing scene in the related technology.

Description

Message transmission method and system, transmitting end VPN equipment and GRE splicing equipment
Technical Field
The present application relates to the field of data network communications, and in particular, to a method, an apparatus, a system, and a storage medium for transmitting a message.
Background
VPN technology includes L2VPN technology and L3VPN technology based on MPLS tradition, and EVPN technology. In general, the outer tunnels and inner VPN labels required for a VPN may be formed by MPLS, which may be implemented based on LDP, MP-BGP or the like protocols. However, in the case that the intermediate network node traversed by the VPN does not support MPLS, but supports IP and GRE, the outer layer tunnel required by the VPN may be formed by selecting GRE, and the inner layer VPN label is still formed by VPN nodes supporting MPLS at both ends through related protocols. In the case of complex intermediate networks or the existence of specific networking requirements, VPN nodes at two ends may need to be connected by multi-segment GRE splicing to form a required outer tunnel.
In the related art, under the condition that a VPN outer layer tunnel is constructed through multiple segments of spliced GREs, a data message is forwarded to splicing nodes of the multiple segments of GREs, after the GRE heads of the previous segment are unpacked, only an internal VPN label and a load are left, the splicing nodes cannot acquire forwarding information of a far-end VPN node, and therefore it cannot be determined which GRE head on the package forwards the message to the next splicing node, and only the message can be discarded.
Aiming at the problem that a splicing node can not forward a message to a destination VPN node in a GRE splicing scene in the related art, an effective solution is not proposed in the prior art.
Disclosure of Invention
The application provides a message transmission method and a system, a transmitting end VPN device and a GRE splicing device, and solves the problem that a splicing node can not forward a message to a target VPN node in a GRE splicing scene in the related technology.
According to one aspect of the present application, there is provided a message transmission method, adapted to splicing multiple segments of generic routing encapsulation GRE tunnels in a transmission path, where two ends of the transmission path are VPN nodes, the method comprising: and under the condition that the transmission path is determined to have a plurality of sections of GRE tunnels, the transmitting-end VPN equipment transmits a first GRE message encapsulated with a destination IP address, wherein the destination IP address is the address of the receiving-end VPN equipment.
Further, before the transmitting end VPN device transmits the first GRE packet encapsulated with the destination IP address, the method further includes: and under the condition that the outer layer tunnel outlet corresponding to the receiving end VPN equipment is GRE, the sending end VPN equipment creates an IP tunnel, the IP tunnel header comprises the destination IP address, and the IP tunnel header is packaged in the GRE message.
Further, the IP tunneling header further includes a VPN label and a payload.
Further, at least one GRE splicing node exists in the transmission path, and after the transmitting end VPN device transmits the first GRE packet encapsulated with the destination IP address, the method further includes: and under the condition that the first GRE message is received, the GRE splicing node acquires the destination IP address, and forms a second GRE message for transmission after GRE encapsulation according to the type of the next GRE tunnel.
Further, the IP tunnel includes a GRE tunnel, an IPsec tunnel, or a Vxlan tunnel.
According to another aspect of the present application, there is provided a message transmission method, adapted to splicing multiple segments of generic routing encapsulation GRE tunnels in a transmission path, where two ends of the transmission path are VPN nodes, and at least one GRE splicing node is present in the transmission path, the method including: the GRE splicing node acquires a target IP address under the condition of receiving a first GRE message; and forming a second GRE message for transmission after GRE encapsulation according to the type of the next GRE tunnel, wherein the first GRE message is sent by the VPN equipment of the sending end, and the first GRE message comprises the destination IP address.
According to another aspect of the present application, there is provided a transmitting VPN device adapted to a scenario in which a packet transmission path includes splicing multiple segments of generic routing encapsulation GRE tunnels, where a receiving end of the transmission path is a VPN device, where the transmitting VPN device includes: and the sending module is used for sending the first GRE message encapsulated with the destination IP address which is the address of the receiving-end VPN equipment under the condition that the transmission path is determined to have a plurality of sections of GRE tunnels.
According to another aspect of the present application, there is provided a GRE splicing apparatus adapted to a scenario in which there is splicing of multiple segments of generic routing encapsulation GRE tunnels in a packet transmission path, where two ends of the transmission path are VPN apparatuses, and where at least one GRE splicing apparatus is present in the transmission path, where the GRE splicing apparatus includes: the acquisition module is used for acquiring the target IP address under the condition of receiving the first GRE message; and the transmission module is used for forming a second GRE message for transmission after GRE encapsulation according to the type of the next GRE tunnel, wherein the first GRE message is sent by the VPN equipment of the sending end, and the first GRE message comprises the destination IP address.
According to another aspect of the present application, there is provided a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements any of the above-mentioned message transmission methods.
According to another aspect of the present application, there is provided a packet transmission system adapted to a scenario in which there is splicing of multiple segments of generic routing encapsulation GRE tunnels in a transmission path, where two ends of the transmission path are VPN devices, and at least one GRE splicing device is present in the transmission path, where the system includes: the transmitting end VPN device is used for transmitting a first GRE message encapsulated with a target IP address which is the address of the receiving end VPN device under the condition that a plurality of sections of GRE tunnels exist in a transmission path; the GRE splicing equipment is used for acquiring the destination IP address under the condition of receiving the first GRE message, and forming a second GRE message for transmission after GRE encapsulation according to the type of the next GRE tunnel.
According to the application, under the condition that a plurality of segments of GRE tunnels are spliced in a transmission path and VPN nodes are arranged at two ends of the transmission path, a transmitting-end VPN device is adopted to transmit a first GRE message encapsulated with a target IP address, and the target IP address is the address of a receiving-end VPN device, so that the problem that the spliced nodes cannot forward the message to the target VPN nodes in the GRE splicing scene in the related art is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
fig. 1 is a flowchart of a message transmission method according to a first embodiment of the present application;
fig. 2 is a flowchart of a message transmission method according to a second embodiment of the present application;
fig. 3 is a block diagram of a configuration of a transmitting-side VPN device according to an embodiment of the present application;
FIG. 4 is a block diagram of a GRE splice device according to an embodiment of the application;
fig. 5 is a block diagram of a message transmission system according to an embodiment of the present application;
fig. 6 is a flow chart of a message transmission method according to a preferred embodiment of the present application.
Detailed Description
The application will be described in detail hereinafter with reference to the drawings in conjunction with embodiments. It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.
In this embodiment, a message transmission method is provided, fig. 1 is a flowchart of a message transmission method according to a first embodiment of the present application, and as shown in fig. 1, the method is suitable for splicing multiple segments of generic routing encapsulation GRE tunnels in a transmission path, where two ends of the transmission path are VPN nodes, and the method includes:
step S102, under the condition that the transmission path is determined to have a plurality of segments of GRE tunnels, the transmitting-end VPN device transmits a first GRE message encapsulated with a destination IP address, wherein the destination IP address is the address of the receiving-end VPN device.
Optionally, before the transmitting end VPN device transmits the first GRE packet encapsulated with the destination IP address, the packet transmission method further includes: and under the condition that the outer layer tunnel outlet corresponding to the receiving end VPN equipment is GRE, the sending end VPN equipment creates an IP tunnel, wherein the IP tunnel head comprises the destination IP address, and the IP tunnel head is packaged in the GRE message.
Preferably, the destination IP address is encapsulated as information of a new IP tunnel header into the real outer layer tunnel exit GRE header on the VPN node, forming a format of outer GRE header plus inner IP tunnel header nesting. Inside the IP tunnel header are VPN labels and payloads.
Optionally, the IP tunneling header further includes a VPN label and a payload.
Optionally, the IP tunnel comprises a GRE tunnel, an IPsec tunnel, or a Vxlan tunnel.
Optionally, after the transmitting end VPN device transmits the first GRE packet encapsulated with the destination IP address, the packet transmission method further includes: and under the condition that a GRE splicing node exists in the transmission path, the GRE splicing node acquires the destination IP address under the condition that the first GRE message is received, and forms a second GRE message for transmission after GRE encapsulation according to the type of the GRE tunnel of the next section.
Fig. 2 is a flowchart of a packet transmission method according to a second embodiment of the present application, as shown in fig. 2, applicable to splicing multiple segments of generic routing encapsulation GRE tunnels in a transmission path, where two ends of the transmission path are VPN nodes, and at least one GRE splicing node is present in the transmission path, where the method includes:
step S202, the GRE splicing node acquires a target IP address under the condition of receiving a first GRE message;
step S204, forming a second GRE message for transmission after GRE encapsulation according to the type of the next GRE tunnel, wherein the first GRE message is sent by the VPN equipment of the sending end, and the first GRE message comprises the destination IP address.
Fig. 3 is a structural block diagram of a transmitting-end VPN device according to an embodiment of the present application, as shown in fig. 3, where a scene in which a plurality of segments of generic routing encapsulation GRE tunnels are spliced exists in a packet transmission path, a receiving end of the transmission path is a VPN device, and the transmitting-end VPN device includes:
the sending module 32 is configured to send, when it is determined that there are multiple segments of GRE tunnels in the transmission path, a first GRE packet encapsulated with a destination IP address, where the destination IP address is an address of the receiving VPN device.
Fig. 4 is a block diagram of a GRE splicing device according to an embodiment of the present application, as shown in fig. 4, which is suitable for a scenario in which there is splicing of multiple segments of generic routing encapsulation GRE tunnels in a packet transmission path, where two ends of the transmission path are VPN devices, and at least one GRE splicing device is present in the transmission path, where the GRE splicing device includes:
an obtaining module 42, configured to obtain a destination IP address when the first GRE packet is received;
and a transmission module 44, configured to perform GRE encapsulation according to the type of the next segment of GRE tunnel, and form a second GRE packet for transmission, where the first GRE packet is sent by the VPN device at the sending end, and the first GRE packet includes the destination IP address.
The embodiment of the application also provides a computer readable storage medium, on which a computer program is stored, which when executed by a processor implements any one of the above-mentioned message transmission methods.
The embodiment of the application also provides a computer readable storage medium, on which a computer program is stored, wherein the computer program realizes the steps of any one of the above message transmission methods when being executed by a processor.
Fig. 5 is a block diagram of a packet transmission system according to an embodiment of the present application, as shown in fig. 5, where a scene in which a plurality of segments of generic routing encapsulation GRE tunnels are spliced exists in a transmission path, two ends of the transmission path are VPN devices, and at least one GRE splicing device exists in the transmission path: the message transmission system comprises:
the transmitting end VPN device 52 is configured to send a first GRE packet encapsulated with a destination IP address, where the destination IP address is an address of the receiving end VPN device, when it is determined that there are multiple segments of GRE tunnels in the transmission path;
the GRE splicing device 54 is configured to obtain the destination IP address when the first GRE packet is received, and form a second GRE packet for transmission after GRE encapsulation according to the type of the next GRE tunnel.
Fig. 6 is a flowchart of a message transmission method according to a preferred embodiment of the present application, as shown in fig. 6, the method includes:
step S602, when the VPN nodes PE1 and PE2 at the two ends form an inner layer VPN label through related protocols, the address information of the opposite end is acquired and used for establishing protocol connection;
step S604, detecting that a path (PE 1-P1-P2-PE 2) for establishing a protocol address at the opposite end has a condition of splicing multiple segments of GRE tunnels;
step S606, according to the address of the opposite end VPN node building protocol, and determining the outer layer tunnel outlet as GRE, building a new IP tunnel according to the address of the building protocol connection, the encapsulation format of the IP tunnel head is as follows;
wherein, the 32-bit source IP address refers to the address of the PE1 recommended protocol, and the 32-bit destination IP address refers to the PE2 established protocol address.
Step S608, the information of the IP tunnel header is packaged into the real outer layer tunnel outlet GRE header on the VPN node to form a nested format of the outer GRE header and the inner IP tunnel header; wherein, the inside of the IP tunnel head is VPN label and load, the following diagram is the encapsulation format of PE1 to PE2 forwarding message:
the IP header comprises a 32-bit source IP address and a 32-bit destination IP address, wherein the 32-bit source IP address is a GRE tunnel source address, and the 32-bit destination IP address is a GRE tunnel destination address. Taking the message sent from PE1 as an example, the 32-bit source IP address is the address where PE1 establishes a GRE tunnel, and the 32-bit destination IP address is the address where P1 establishes a GRE tunnel.
Step S610, the GRE splicing node acquires the forwarding information of the far-end VPN node from the received message, and encapsulates the next GRE header again to forward to the next splicing node;
taking this embodiment as an example, the step S610 includes: the GRE splicing node P1 acquires forwarding information of the far-end VPN node PE2 from the received message, namely address information carried by the IP tunnel header, and packages the next GRE header again to forward to the next splicing node P2;
the IP header includes a 32-bit source IP address and a 32-bit destination IP address. When the IP address is sent out from P1, the 32-bit source IP address is the address where P1 establishes the GRE tunnel, and the 32-bit destination IP address is the address where PE2 establishes the GRE tunnel.
The GRE splicing node P2 acquires forwarding information of the far-end VPN node PE2 from the received message, namely address information carried by the IP tunnel header, and encapsulates the next GRE header again to forward the next GRE header to the far-end VPN node PE2;
the IP header includes a 32-bit source IP address and a 32-bit destination IP address. When the IP address is sent out from P2, the 32-bit source IP address is the address where the P2 establishes the GRE tunnel, and the 32-bit destination IP address is the address where the P2 establishes the GRE tunnel.
In step S612, the remote VPN node PE2 receives the foregoing packet, where the format packet is a format in which an outer GRE header and an inner IP tunnel header are nested, and a VPN label and a payload are inside, and the outermost GRE header is first decapsulated, then the IP tunnel header is decapsulated, and then the VPN label is decapsulated, so as to implement a VPN related function.
By adopting the method provided by the embodiment of the application, the problem that VPN can not pass through GRE multi-section spliced networks in the related technology can be solved under the condition that no other special function requirement exists for the intermediate GRE network spliced nodes, and the diversity of network networking is enriched.
It will be appreciated by those skilled in the art that the modules or steps of the application described above may be implemented in a general purpose computing device, they may be concentrated on a single computing device, or distributed across a network of computing devices, they may alternatively be implemented in program code executable by computing devices, so that they may be stored in a memory device for execution by computing devices, and in some cases, the steps shown or described may be performed in a different order than that shown or described, or they may be separately fabricated into individual integrated circuit modules, or multiple modules or steps within them may be fabricated into a single integrated circuit module for implementation. Thus, the present application is not limited to any specific combination of hardware and software.
The above is only a preferred embodiment of the present application, and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (9)

1. The message transmission method is suitable for splicing GRE tunnels with multi-section universal routing encapsulation in a transmission path, wherein the two ends of the transmission path are VPN nodes, and at least one GRE splicing node is arranged in the transmission path, and is characterized in that the method comprises the following steps:
under the condition that a plurality of sections of GRE tunnels exist in a transmission path, transmitting a first GRE message encapsulated with a target IP address by using a transmitting-end VPN device, wherein the target IP address is the address of a receiving-end VPN device; and under the condition that the first GRE message is received, the GRE splicing node acquires the target IP address, and forms a second GRE message for transmission after GRE encapsulation according to the type of the next GRE tunnel.
2. The method of claim 1, wherein before the transmitting VPN device transmits the first GRE packet encapsulated with the destination IP address, the method further comprises:
and under the condition that the outer layer tunnel outlet corresponding to the receiving end VPN equipment is GRE, the sending end VPN equipment creates an IP tunnel, the IP tunnel header comprises the destination IP address, and the IP tunnel header is encapsulated in the GRE message.
3. The method of claim 2, wherein the IP tunneling header further includes a VPN label and a payload therein.
4. The method of claim 2, wherein the IP tunnel comprises a GRE tunnel, an IPsec tunnel, or a Vxlan tunnel.
5. The message transmission method is suitable for splicing GRE tunnels with multi-section universal routing encapsulation in a transmission path, wherein the two ends of the transmission path are VPN nodes, and at least one GRE splicing node is arranged in the transmission path, and is characterized in that the method comprises the following steps:
the GRE splicing node acquires a target IP address under the condition of receiving a first GRE message;
and forming a second GRE message for transmission after GRE encapsulation according to the type of the next GRE tunnel, wherein the first GRE message is sent by a sending end VPN device, and the first GRE message comprises the destination IP address.
6. The utility model provides a sender VPN equipment, is applicable to the scene that there is the concatenation of multistage general route encapsulation GRE tunnel in the message transmission route, the receiver of transmission route is VPN equipment, there is at least one GRE concatenation equipment in the transmission route, its characterized in that, sender VPN equipment includes:
the transmitting module is used for transmitting a first GRE message encapsulated with a target IP address, wherein the target IP address is the address of the receiving end VPN equipment under the condition that a plurality of sections of GRE tunnels exist in a transmission path; and under the condition that the first GRE message is received, the GRE splicing equipment acquires the target IP address, and forms a second GRE message for transmission after GRE encapsulation according to the type of the next GRE tunnel.
7. The utility model provides a GRE splicing equipment, is applicable to the scene that there is the encapsulation GRE tunnel concatenation of multistage general route in the message transmission path, the both ends of transmission path are VPN equipment, there is at least one GRE splicing equipment in the transmission path, its characterized in that, GRE splicing equipment includes:
the acquisition module is used for acquiring the target IP address under the condition of receiving the first GRE message;
and the transmission module is used for forming a second GRE message for transmission after GRE encapsulation according to the type of the next GRE tunnel, wherein the first GRE message is sent by the VPN equipment of the sending end, and the first GRE message comprises the destination IP address.
8. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the message transmission method according to any of claims 1-5.
9. The utility model provides a message transmission system, is applicable to there is the scene that the GRE tunnel splice of multistage general route encapsulation in the transmission path, the both ends of transmission path are VPN equipment, there is at least one GRE splice equipment in the transmission path, its characterized in that, the system includes:
the transmitting end VPN device is used for transmitting a first GRE message encapsulated with a target IP address under the condition that a plurality of sections of GRE tunnels exist in a transmission path, wherein the target IP address is the address of the receiving end VPN device;
the GRE splicing equipment is used for acquiring the destination IP address under the condition of receiving the first GRE message, and forming a second GRE message for transmission after GRE encapsulation according to the type of the next GRE tunnel.
CN201911109497.XA 2019-11-13 2019-11-13 Message transmission method and system, transmitting end VPN equipment and GRE splicing equipment Active CN112804129B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201911109497.XA CN112804129B (en) 2019-11-13 2019-11-13 Message transmission method and system, transmitting end VPN equipment and GRE splicing equipment
PCT/CN2020/126191 WO2021093641A1 (en) 2019-11-13 2020-11-03 Message transmission method and system, vpn device at sending end and gre splicing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911109497.XA CN112804129B (en) 2019-11-13 2019-11-13 Message transmission method and system, transmitting end VPN equipment and GRE splicing equipment

Publications (2)

Publication Number Publication Date
CN112804129A CN112804129A (en) 2021-05-14
CN112804129B true CN112804129B (en) 2023-11-03

Family

ID=75803504

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911109497.XA Active CN112804129B (en) 2019-11-13 2019-11-13 Message transmission method and system, transmitting end VPN equipment and GRE splicing equipment

Country Status (2)

Country Link
CN (1) CN112804129B (en)
WO (1) WO2021093641A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114422431B (en) * 2021-12-23 2023-11-28 网络通信与安全紫金山实验室 Network tunnel configuration method, device, computer equipment and storage medium
CN117376179A (en) * 2023-12-04 2024-01-09 成都北中网芯科技有限公司 Method, system, equipment and medium for filtering GRE protocol message

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1412988A (en) * 2002-05-22 2003-04-23 华为技术有限公司 Packaging retransmission method of message in network communication
CN101848171A (en) * 2010-07-01 2010-09-29 杭州华三通信技术有限公司 Data transmission method based on GRE tunnel, device and system
CN102130826A (en) * 2010-11-25 2011-07-20 华为技术有限公司 Message transmitting method and device
CN102694738A (en) * 2012-06-15 2012-09-26 北京傲天动联技术有限公司 Virtual private network (VPN) gateway and method for forwarding messages at VPN gateway
CN103368806A (en) * 2012-03-26 2013-10-23 华为技术有限公司 Method and system for processing data flow and device
CN103973555A (en) * 2013-01-29 2014-08-06 华为技术有限公司 GRE protocol tunnel building method, communication device and communication system
CN105591982A (en) * 2015-07-24 2016-05-18 杭州华三通信技术有限公司 Message transmission method and device
WO2017124693A1 (en) * 2016-01-21 2017-07-27 中兴通讯股份有限公司 Method and device for message decapsulation and data writing
CN109412927A (en) * 2018-12-04 2019-03-01 新华三技术有限公司 A kind of more VPN data transmission methods, device and the network equipment

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7519079B2 (en) * 2004-09-08 2009-04-14 Telefonaktiebolaget L M Ericsson (Publ) Generic routing encapsulation over point-to-point protocol
CN101488902A (en) * 2009-02-25 2009-07-22 杭州华三通信技术有限公司 Dynamic establishing method and device for GRE tunnel
US9225638B2 (en) * 2013-05-09 2015-12-29 Vmware, Inc. Method and system for service switching using service tags
CN105591873B (en) * 2015-10-27 2019-03-15 新华三技术有限公司 A kind of virtual machine partition method and device

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1412988A (en) * 2002-05-22 2003-04-23 华为技术有限公司 Packaging retransmission method of message in network communication
CN101848171A (en) * 2010-07-01 2010-09-29 杭州华三通信技术有限公司 Data transmission method based on GRE tunnel, device and system
CN102130826A (en) * 2010-11-25 2011-07-20 华为技术有限公司 Message transmitting method and device
CN103368806A (en) * 2012-03-26 2013-10-23 华为技术有限公司 Method and system for processing data flow and device
CN102694738A (en) * 2012-06-15 2012-09-26 北京傲天动联技术有限公司 Virtual private network (VPN) gateway and method for forwarding messages at VPN gateway
CN103973555A (en) * 2013-01-29 2014-08-06 华为技术有限公司 GRE protocol tunnel building method, communication device and communication system
CN105591982A (en) * 2015-07-24 2016-05-18 杭州华三通信技术有限公司 Message transmission method and device
WO2017124693A1 (en) * 2016-01-21 2017-07-27 中兴通讯股份有限公司 Method and device for message decapsulation and data writing
CN109412927A (en) * 2018-12-04 2019-03-01 新华三技术有限公司 A kind of more VPN data transmission methods, device and the network equipment

Also Published As

Publication number Publication date
WO2021093641A1 (en) 2021-05-20
CN112804129A (en) 2021-05-14

Similar Documents

Publication Publication Date Title
KR102112487B1 (en) Data transmission methods, devices and systems
CN106878065B (en) Configuration method and device of distributed aggregation system
US9294302B2 (en) Non-fragmented IP packet tunneling in a network
CN106878138B (en) A kind of message transmitting method and device
WO2017050198A1 (en) Path detection method and device
CN109995654B (en) Method and device for transmitting data based on tunnel
US20080304476A1 (en) Ethernet over mpls circuit emulation service
CN109088821B (en) Message transmission method, service chain system and computer readable storage medium
CN105591873B (en) A kind of virtual machine partition method and device
CN110290093A (en) The SD-WAN network architecture and network-building method, message forwarding method
CN112804129B (en) Message transmission method and system, transmitting end VPN equipment and GRE splicing equipment
WO2022001835A1 (en) Method and apparatus for sending message, and network device, system and storage medium
CN102694738B (en) Virtual private network (VPN) gateway and method for forwarding messages at VPN gateway
CN103200068B (en) A kind of based on customer service Multiple tunnel transmitting device
CN109936492A (en) A kind of methods, devices and systems by tunnel transmission message
JP2007194763A (en) Network system
CN105530193A (en) Method for determining maximum transmission unit of tunnel, network device and system
WO2017193732A1 (en) Method for encapsulating and decapsulating pseudo-wire data message, and relevant apparatus
EP3965382A1 (en) Method and device for implementing service function processing
CN108390812B (en) Message forwarding method and device
CN106100960B (en) Method, device and system for Fabric intercommunication of cross-storage area network
CN101640635A (en) Method for avoiding message recombination in 6over4 tunnel and system therefor
WO2015131739A1 (en) Data exchange method, baseband processing unit, radio frequency remote unit and relay unit
CN109561023A (en) The methods, devices and systems of transport multicast message
CN104780090A (en) VPN multicast transmission method and device PE equipment

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant