CN102801628A - Data forwarding method and system in GRE (General Routing Encapsulation) tunnels - Google Patents
Data forwarding method and system in GRE (General Routing Encapsulation) tunnels Download PDFInfo
- Publication number
- CN102801628A CN102801628A CN2012102981027A CN201210298102A CN102801628A CN 102801628 A CN102801628 A CN 102801628A CN 2012102981027 A CN2012102981027 A CN 2012102981027A CN 201210298102 A CN201210298102 A CN 201210298102A CN 102801628 A CN102801628 A CN 102801628A
- Authority
- CN
- China
- Prior art keywords
- data message
- gre tunneling
- integrated circuit
- circuit board
- gre
- 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.)
- Pending
Links
Images
Abstract
The invention discloses a data forwarding method and system in GRE (General Routing Encapsulation) tunnels. The data forwarding method comprises the following steps of: S1, configuring service loopback groups on a management card of a switchboard and directly binding service ports, and respectively associating each GRE tunnel to the service loopback group of the GRE tunnel, and respectively issuing an internal tunnel router to a board card which does not support the GRE tunnels, wherein a next-hop address of the internal tunnel router is taken as a preset loopback address of each service loopback group; and S2, when the board card which does not support the GRE tunnel receives a data message, judging whether the data message passes the GRE tunnels, if so, looping the data message back to a board card which supports the GRE tunnels and forwarding the data message, and if not, executing a normal data forwarding procedure on the data message on the board card which receives the data message. According to the data forwarding method and system disclosed by the invention, the dependency of the function of operating the GRE tunnel on the board cards in the networking process is reduced and the operating cost is saved.
Description
Technical field
The present invention relates to the computer network communication technology field, relate in particular to data forwarding method and system thereof in a kind of gre tunneling.
Background technology
GRE (Generic Routing Encapsulation; The generalized routing protocol encapsulation) be a kind of tunneling technique; Be VPN (Virtual Private Network; Virtual Private Network) layer 3 Tunnel protocol, it has stipulated how to go to encapsulate with a kind of procotol the method for another kind of procotol, and gre tunneling is mainly used in the encapsulation of IP protocol massages in the Ethernet at present.When the gre tunneling function is used on the rack switch; The chip of professional integrated circuit board must be supported the gre tunneling function; But at present the chip of a lot of professional integrated circuit boards is not supported the gre tunneling function, if the integrated circuit board of therefore on the rack switch, supporting gre tunneling is not when supporting the integrated circuit board mixed insertion of gre tunneling, if service traffics are never supported the integrated circuit board entering of gre tunneling; Flow can't carry out the encapsulation of gre tunneling, cause the interruption of flow.Therefore, dispose the gre tunneling function and when networking, receive the restriction that the gre tunneling integrated circuit board is supported, wasted operation cost, influenced the practicality of gre tunneling function greatly.
Summary of the invention
Not support the integrated circuit board of gre tunneling can't handle the data message problem of gre tunneling in the prior art in order having solved, to the present invention proposes the data message forwarding method in a kind of gre tunneling, comprising:
S1, on the control card of switch configuration service loopback group and direct binding service port, respectively each gre tunneling is associated with the service loop group under each gre tunneling; Issue the internal tunnel route to the integrated circuit board of not supporting gre tunneling respectively, the next hop address of said internal tunnel route is the loop-back address of each preset service loop group;
S2, when the integrated circuit board of not supporting gre tunneling is received data message; Judge whether said data message walks gre tunneling; If; Then said data message is looped back to and supports the integrated circuit board of gre tunneling to transmit, otherwise, said data message is carried out normal data forwarding on the reception integrated circuit board of said data message.
Further, the loop-back address of each preset service loop group is 127.0.0.X described in the step S1, and said X is the ID of said service loop group.
Further, described in the step S2 said data message is looped back to and supports the integrated circuit board of gre tunneling to transmit, specifically comprise:
The reception integrated circuit board of S21, said data message is according to the said said data message of tunnel routed encapsulation that issues;
The reception integrated circuit board of S22, said data message according to the said internal tunnel route that issues, is looped back to the said data message after the encapsulation service loop port of the integrated circuit board of supporting gre tunneling;
The integrated circuit board of S23, said support gre tunneling judges whether the purpose MAC of said data message is the CPU MAC Address of said switch, if execution in step S24 then, otherwise abandon this said data message;
The integrated circuit board of S24, said support gre tunneling obtains the outlet in said tunnel according to the original purpose IP address lookup routing table of said data message, said data message is carried out gre tunneling encapsulation back transmit.
Further, the said data message of said encapsulation is specially: in the outer ether frame head with said data message, purpose MAC is set to the CPU MAC of said switch, and source MAC is set to the reservation VLAN MAC of said switch.
The invention allows for the data message forwarding system in a kind of gre tunneling, comprise switch, said switch comprises a control card, an integrated circuit board and an integrated circuit board of not supporting gre tunneling of supporting gre tunneling at least;
Control card: be used to store the configuration information of the service loop group on the said switch and the related information between the service loop group under each gre tunneling and each gre tunneling;
Do not support the integrated circuit board of gre tunneling: be used to store the internal tunnel route, the next hop address of the route of the internal tunnel of each service loop group is the loop-back address of each preset service loop group; Be used for when receiving data message, judging whether said data message walks gre tunneling; When the data message that receives when judgement is not walked gre tunneling, be used for said data message is carried out normal data forwarding; When the data message that receives when judgement is walked gre tunneling, be used for the said data message of internal tunnel routed encapsulation according to storage; Said data message after being used for encapsulating is looped back to the service loop port of the integrated circuit board of supporting gre tunneling;
Support the integrated circuit board of gre tunneling: whether the purpose MAC that is used to judge the data message that receives is the CPU MAC Address of said switch; If then obtain the outlet of gre tunneling according to the original purpose IP address lookup routing table of said data message; Said data message is carried out gre tunneling encapsulation back transmit, otherwise said data message is abandoned.
Further, the loop-back address of said preset each service loop group is 127.0.0.X, and said X is the ID of said service loop group.
Further, the said data message of said encapsulation is: in the outer ether frame head with said data message, purpose MAC is set to the CPU MAC of said switch, and source MAC is set to the reservation VLAN MAC of said switch.
Useful technique effect of the present invention is when between switch, carrying out the data message exchange; Make processing that the integrated circuit board of not supporting gre tunneling can be correct need walk the data message problem of gre tunneling; Make switch when transmitting gre tunneling quantity flow, no longer too rely on the integrated circuit board of supporting; As long as there is one to support the integrated circuit board of gre tunneling just can move the gre tunneling function in the whole rack switch, reduced the dependence of gre tunneling function to integrated circuit board, saved operation cost.
Description of drawings
Fig. 1 is the flow chart of data forwarding method in the embodiment of the invention one said gre tunneling;
Fig. 2 is the system schematic of data forwarding system in the embodiment of the invention two said gre tunnelings.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, will combine accompanying drawing that embodiment of the present invention is done to describe in detail further below.
Embodiment one
Fig. 1 is the flow chart of data forwarding method in the said gre tunneling of present embodiment, and is as shown in Figure 1, and concrete execution in step is following:
S101, on control card configuration service loopback group and bind real service port, respectively each gre tunneling is associated with the service loop group under each gre tunneling, issue the internal tunnel route to the integrated circuit board of not supporting gre tunneling respectively;
Acting as of service loop group: in the distributed system, if the mixed insertion of same equipment support multiple business veneer need realize that the business between the different business veneer is redirected through service loop function.When certain piece business board was received the message that need be handled by other business boards, this business board sends to this message can handle processing and the forwarding of accomplishing message on this professional veneer.For example, when receiving the IPv6 message on the IPv4 business board, can message be sent on the IPv6 business board of this equipment through the service loop port and handle.For increasing the professional handling capacity that is redirected between plate, can present single link to the outside with a plurality of service loop port bindings together, this group port constitutes the service loop group.The principle of service loop group and link aggregation is similar, and purpose all is in order to increase bandwidth, to carry out load balancing.
The service loop group is following to the requirement of port arrangement:
(1) port must be supported the type of service of this service loop group appointment;
(2) allow port that physical configuration such as speed, duplex and QoS, ACL configuration are arranged, do not allow port that up going port or down going port, 802.1x, MAC address authentication, port security pattern, packet filtering function, ethernet frame filtering function, the IP Source Guard function of following configuration: MSTP, isolation group are arranged.Simultaneously, do not allow to dispose above-mentioned functions on the member port of service loop group yet;
(3) port that has been in aggregation group or the service loop group can not add other service loop groups.
The service loop group has multiple to the port binding mode, present embodiment adopts the mode of really deciding service port of directly binding.
Loop-back address is the special address that main frame is used for sending to self communication, and it is a virtual address.Be inner a kind of in the IP address, loop-back address be between the TCP/IP application program moved on same the equipment and the service mutually intercommunication a shortcut is provided.The loop-back address of IPv4 (Internet Protocol version4, internet protocol version 4) is one of reserved address 127.0.0.1.Although only use this address of 127.0.0.1, address 127.0.0.0 all keeps to 127.255.255.255.Any address in this address block all will be looped back in the local host.Any address in this address block all will not appear in any network.The present invention utilizes these characteristics of loop-back address, makes data message can between each integrated circuit board, carry out loopback.
The configurable a plurality of service loop groups of the control card of switch, a service loop group can be quoted by a plurality of gre tunnelings.
Further, said preset loop-back address can be set to 127.0.0.X, representes the ID of service loop group with X.
S102: judge whether not support the integrated circuit board of gre tunneling to receive data message, if, execution in step S103 then;
S103: whether the judgment data message walks gre tunneling, is looped back to the retransmission method of supporting the gre tunneling integrated circuit board if then carry out data message, specifically comprises step S105 to step S110, otherwise execution in step S104;
The mode whether the judgment data message walks gre tunneling is: inquire about the routing table on the integrated circuit board that receives data message, judge whether said data message need walk gre tunneling.
S104: on this card, carry out normal data forwarding, finish.
Wherein, step S105 is specially to step S110:
S105: according to the tunnel routed encapsulation initial data message that issues;
The concrete mode of said encapsulation initial data message is: the purpose MAC in the outer ether frame head of encapsulation is the CPU MAC of said switch; Said CPU MAC corresponding virtual local area network (LAN) is for keeping VLAN, and the source MAC in the outer ether frame head of said encapsulation is the reservation VLAN MAC of said switch.S106: the data after the encapsulation are looped back to the integrated circuit board of supporting gre tunneling;
S107: judge whether purpose MAC is this machine CPU MAC, if execution in step S109 then, otherwise execution in step S108;
S308: abandon this data message, finish;
S309: obtain the outlet in tunnel according to the IP address lookup routing table of data message;
Said IP is the purpose IPv6 address of initial data message, and the routing iinformation that the integrated circuit board of said support gre tunneling is inquired about on this integrated circuit board according to this IPv6 address is again transmitted.
S310: the data message is carried out gre tunneling encapsulation back transmit, finish.
The gre tunneling data message transmission is identical in concrete grammar that transmit this gre tunneling encapsulation back and the prior art, does not give unnecessary details at this.
Embodiment two
It is the system schematic of data forwarding system in the embodiment of the invention two said gre tunnelings; As shown in Figure 2; Data message forwarding system in the gre tunneling of the present invention comprises switch, and said switch comprises a control card, an integrated circuit board and an integrated circuit board of not supporting gre tunneling of supporting gre tunneling at least.The configurable a plurality of service loop groups of the control card of said switch, a service loop group can be quoted by a plurality of gre tunnelings.
Control card: be used to store the configuration information of the service loop group on the said switch and the related information between the service loop group under each gre tunneling and each gre tunneling;
Do not support the integrated circuit board of gre tunneling: be used to store the internal tunnel route, the next hop address of the route of the internal tunnel of each service loop group is the loop-back address of each preset service loop group; Be used for when receiving data message, judging whether said data message walks gre tunneling; When the data message that receives when judgement is not walked gre tunneling, be used for said data message is carried out normal data forwarding; When the data message that receives when judgement is walked gre tunneling, be used for the said data message of internal tunnel routed encapsulation according to storage; Said data message after being used for encapsulating is looped back to the service loop port of the integrated circuit board of supporting gre tunneling;
The loop-back address of wherein said preset each service loop group is 127.0.0.X, and said X is the ID of said service loop group.
The said data message of wherein said encapsulation is: in the outer ether frame head with said data message, purpose MAC is the CPU MAC of said switch, and source MAC is the reservation VLAN MAC of said switch.
Support the integrated circuit board of gre tunneling: whether the purpose MAC that is used to judge the data message that receives is the CPU MAC Address of said switch; If then obtain the outlet of gre tunneling according to the original purpose IP address lookup routing table of said data message; Said data message is carried out gre tunneling encapsulation back transmit, otherwise said data message is abandoned.
Be example below with Fig. 2, describe concrete data exchange process.
Carry out data message with switch A and switch b and be exchanged for example; Switch A is set up the gre tunneling of IPv6 over IPv4 with the switch b of far-end, and Ethernet switch A is a rack switch, is made up of a control card and three professional integrated circuit boards; Wherein integrated circuit board 1, integrated circuit board 2 are not supported the integrated circuit board of gre tunneling; Can not carry out the data encapsulation of gre tunneling, integrated circuit board 3 can carry out the data encapsulation of gre tunneling for supporting the integrated circuit board of gre tunneling.User A is connected on the Ethernet1/1 port of integrated circuit board 1, and user B is connected the Ethernet3/1 port second line of a couplet network of integrated circuit board 3.When the IPv6 data message of user A need arrive user B, need walk the IPv4GRE tunnel and pass IPv4 network arrival user B.Integrated circuit board 1 on the switch A is at first received the data message of user A; Routing table on the inquiry integrated circuit board 1 draws data message and need walk gre tunneling, and tunnel route and service loop group according to configured in advance encapsulate the data message; The CPU MAC that to encapsulate outer Ethernet header target MAC (Media Access Control) address be the own configured in advance of switch A; Source MAC is transmitted for the VLAN MAC of the reservation VLAN of configuration then, and data message is looped back to the service loop port on the integrated circuit board 3 like this; Integrated circuit board 3 identifies to inquiring about routing iinformation again according to the purpose IPv6 address of initial data message behind the data message of oneself and transmits; Inquire data message and match the gre tunneling encapsulation of carrying out data message after the tunnel route again, the outgoing interface Ethernet3/1 from reality forwards with the gre tunneling message, arrives user B behind the process of passing through tunnel.
Data message forwarding system in data message forwarding method in the embodiment of the invention one described gre tunneling and the embodiment of the invention two described gre tunnelings can make processing that the integrated circuit board of not supporting gre tunneling can be correct need walk the data message problem of gre tunneling; Make switch when transmitting gre tunneling quantity flow, no longer too rely on the integrated circuit board of supporting; As long as there is one to support the integrated circuit board of gre tunneling just can move the gre tunneling function in the whole rack switch; Reduced the dependence of gre tunneling function, saved operation cost integrated circuit board.
All or part of content in the technical scheme that above embodiment provides can realize that through software programming its software program is stored in the storage medium that can read, storage medium for example: the hard disk in the computer, CD or floppy disk.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. the data message forwarding method in the gre tunneling is characterized in that, comprising:
S1, on the control card of switch configuration service loopback group and direct binding service port, respectively each gre tunneling is associated with the service loop group under each gre tunneling; Issue the internal tunnel route to the integrated circuit board of not supporting gre tunneling respectively, the next hop address of said internal tunnel route is the loop-back address of each preset service loop group;
S2, when the integrated circuit board of not supporting gre tunneling is received data message; Judge whether said data message walks gre tunneling; If; Then said data message is looped back to and supports the integrated circuit board of gre tunneling to transmit, otherwise, said data message is carried out normal data forwarding on the reception integrated circuit board of said data message.
2. the data message forwarding method in the gre tunneling as claimed in claim 1 is characterized in that, the loop-back address of each preset service loop group is 127.0.0.X described in the step S1, and said X is the ID of said service loop group.
3. the data message forwarding method in according to claim 1 or claim 2 the gre tunneling is characterized in that, described in the step S2 said data message is looped back to the integrated circuit board of supporting gre tunneling and transmits specifically and comprise:
The reception integrated circuit board of S21, said data message is according to the said said data message of tunnel routed encapsulation that issues;
The reception integrated circuit board of S22, said data message according to the said internal tunnel route that issues, is looped back to the said data message after the encapsulation service loop port of the integrated circuit board of supporting gre tunneling;
The integrated circuit board of S23, said support gre tunneling judges whether the purpose MAC of said data message is the CPU MAC Address of said switch, if execution in step S24 then, otherwise abandon this said data message;
The integrated circuit board of S24, said support gre tunneling obtains the outlet in said tunnel according to the original purpose IP address lookup routing table of said data message, said data message is carried out gre tunneling encapsulation back transmit.
4. the data message forwarding method in the gre tunneling as claimed in claim 3; It is characterized in that; The said data message of encapsulation described in the step S21 is specially: in the outer ether frame head with said data message; Purpose MAC is set to the CPU MAC of said switch, and source MAC is set to the reservation VLAN MAC of said switch.
5. the data message forwarding system in the gre tunneling is characterized in that, comprises switch, and said switch comprises a control card, an integrated circuit board and an integrated circuit board of not supporting gre tunneling of supporting gre tunneling at least;
Control card: be used to store the configuration information of the service loop group on the said switch and the related information between the service loop group under each gre tunneling and each gre tunneling;
Do not support the integrated circuit board of gre tunneling: be used to store the internal tunnel route, the next hop address of the route of the internal tunnel of each service loop group is the loop-back address of each preset service loop group; Be used for when receiving data message, judging whether said data message walks gre tunneling; When the data message that receives when judgement is not walked gre tunneling, be used for said data message is carried out normal data forwarding; When the data message that receives when judgement is walked gre tunneling, be used for the said data message of internal tunnel routed encapsulation according to storage; Said data message after being used for encapsulating is looped back to the service loop port of the integrated circuit board of supporting gre tunneling;
Support the integrated circuit board of gre tunneling: whether the purpose MAC that is used to judge the data message that receives is the CPU MAC Address of said switch; If then obtain the outlet of gre tunneling according to the original purpose IP address lookup routing table of said data message; Said data message is carried out gre tunneling encapsulation back transmit, otherwise said data message is abandoned.
6. the data message forwarding system in the gre tunneling as claimed in claim 5 is characterized in that, the loop-back address of said preset each service loop group is 127.0.0.X, and said X is the ID of said service loop group.
7. like the data message forwarding system in claim 5 or the 6 described gre tunnelings; It is characterized in that; The said data message of said encapsulation is: in the outer ether frame head with said data message; Purpose MAC is set to the CPU MAC of said switch, and source MAC is set to the reservation VLAN MAC of said switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102981027A CN102801628A (en) | 2012-08-20 | 2012-08-20 | Data forwarding method and system in GRE (General Routing Encapsulation) tunnels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102981027A CN102801628A (en) | 2012-08-20 | 2012-08-20 | Data forwarding method and system in GRE (General Routing Encapsulation) tunnels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102801628A true CN102801628A (en) | 2012-11-28 |
Family
ID=47200596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102981027A Pending CN102801628A (en) | 2012-08-20 | 2012-08-20 | Data forwarding method and system in GRE (General Routing Encapsulation) tunnels |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102801628A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108075950A (en) * | 2017-12-13 | 2018-05-25 | 安徽皖通邮电股份有限公司 | A kind of method of packet access network end-to-end path detection |
| CN109417548A (en) * | 2016-07-20 | 2019-03-01 | 甲骨文国际公司 | High efficiency of transmission of the packaged media flow in the transport layer based on datagram |
| CN109995654A (en) * | 2017-12-29 | 2019-07-09 | 中兴通讯股份有限公司 | A kind of method and device based on tunnel data |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1968273A (en) * | 2006-10-26 | 2007-05-23 | 杭州华为三康技术有限公司 | IPv6 service supporting method and its switching device |
| CN1996929A (en) * | 2007-01-05 | 2007-07-11 | 杭州华为三康技术有限公司 | Forwarding method and device of IPv6 message in the switch |
| CN101035089A (en) * | 2007-04-24 | 2007-09-12 | 中兴通讯股份有限公司 | Method and device for improving the performance of the distributed system |
| CN101695047A (en) * | 2009-10-26 | 2010-04-14 | 中兴通讯股份有限公司 | Method and switch for realizing forwarding of dynamic tunnel message |
| CN101753406A (en) * | 2008-12-03 | 2010-06-23 | 迈普通信技术股份有限公司 | Device for realizing the twice route of automatic tunnel and massage transmitting method |
| CN101827028A (en) * | 2010-04-14 | 2010-09-08 | 杭州华三通信技术有限公司 | Method and device for realizing multicasting VPN message transmission |
-
2012
- 2012-08-20 CN CN2012102981027A patent/CN102801628A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1968273A (en) * | 2006-10-26 | 2007-05-23 | 杭州华为三康技术有限公司 | IPv6 service supporting method and its switching device |
| CN1996929A (en) * | 2007-01-05 | 2007-07-11 | 杭州华为三康技术有限公司 | Forwarding method and device of IPv6 message in the switch |
| CN101035089A (en) * | 2007-04-24 | 2007-09-12 | 中兴通讯股份有限公司 | Method and device for improving the performance of the distributed system |
| CN101753406A (en) * | 2008-12-03 | 2010-06-23 | 迈普通信技术股份有限公司 | Device for realizing the twice route of automatic tunnel and massage transmitting method |
| CN101695047A (en) * | 2009-10-26 | 2010-04-14 | 中兴通讯股份有限公司 | Method and switch for realizing forwarding of dynamic tunnel message |
| CN101827028A (en) * | 2010-04-14 | 2010-09-08 | 杭州华三通信技术有限公司 | Method and device for realizing multicasting VPN message transmission |
Non-Patent Citations (1)
| Title |
|---|
| 程庆梅: "《现代网络信息技术 上》", 29 February 2004, article "第4章 以太网交换机及应用", pages: 288-293 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109417548A (en) * | 2016-07-20 | 2019-03-01 | 甲骨文国际公司 | High efficiency of transmission of the packaged media flow in the transport layer based on datagram |
| CN108075950A (en) * | 2017-12-13 | 2018-05-25 | 安徽皖通邮电股份有限公司 | A kind of method of packet access network end-to-end path detection |
| CN108075950B (en) * | 2017-12-13 | 2021-07-20 | 安徽皖通邮电股份有限公司 | Method for detecting end-to-end path of packet access network |
| CN109995654A (en) * | 2017-12-29 | 2019-07-09 | 中兴通讯股份有限公司 | A kind of method and device based on tunnel data |
| CN109995654B (en) * | 2017-12-29 | 2022-05-20 | 中兴通讯股份有限公司 | Method and device for transmitting data based on tunnel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3748216B2 (en) | Packet transfer method and packet transmitter / receiver | |
| CN100428734C (en) | Packet transfer apparatus | |
| CN100366009C (en) | Wireless local area network with clients having extended freedom of movement | |
| US7636360B2 (en) | Dynamic VLAN ID assignment and packet transfer apparatus | |
| CN111385165A (en) | Method and device for configuring Seamless Bidirectional Forwarding Detection (SBFD) mechanism | |
| CN108574616A (en) | A kind of method, equipment and the system of processing routing | |
| WO2008092357A1 (en) | A method and device for establishing a pseudo wire tunnel and transmitting message using it | |
| WO2006005260A1 (en) | A virtual private network and the method for the control and transmit of the route | |
| CN102801625A (en) | Method and device for double layered mutual communication in heterogeneous network | |
| CN101635702B (en) | Method for forwarding data packet using security strategy | |
| CN101262429B (en) | A system and method for realizing virtual private network communication | |
| CN107579898B (en) | Method and device for interconnection communication among multiple containers | |
| CN107911297A (en) | A kind of SDN network band control Path Setup method and apparatus | |
| CN107547342A (en) | Message broadcasting method and apparatus based on VXLAN tunnels | |
| CN103780509A (en) | Message forwarding method and routing forwarding device | |
| CN104780090B (en) | Method, apparatus, the PE equipment of VPN multicast transmissions | |
| CN112822097A (en) | Message forwarding method, first network device and first device group | |
| CN101827366B (en) | Method, unit and device for isolating wireless network user | |
| JP5164744B2 (en) | Communication network system and bandwidth control method for inter-base communication | |
| CN104539539A (en) | Multi-service-board data forwarding method for AC device | |
| CN101102321B (en) | Implementation method of virtual route redundancy protocol based on layer 3 VLAN technology | |
| CN102801628A (en) | Data forwarding method and system in GRE (General Routing Encapsulation) tunnels | |
| JP7298606B2 (en) | Communication system and communication method | |
| JP4011528B2 (en) | Network virtualization system | |
| CN100544303C (en) | The distribution method of VLAN ID |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Shaotai Inventor after: Xiang Yangchao Inventor before: Zhang Shaotai |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHANG SHAOTAI TO: ZHANG SHAOTAI XIANG YANGCHAO |
|
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20121128 |