CN1829194A - Method for realizing message transmitting, access network and network apparatus - Google Patents
Method for realizing message transmitting, access network and network apparatus Download PDFInfo
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- CN1829194A CN1829194A CN 200510109283 CN200510109283A CN1829194A CN 1829194 A CN1829194 A CN 1829194A CN 200510109283 CN200510109283 CN 200510109283 CN 200510109283 A CN200510109283 A CN 200510109283A CN 1829194 A CN1829194 A CN 1829194A
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Abstract
Said invention provides message transmitting method, access network and network equipment supporting two layers VLAN. It features two layers VLAN supported network equipment setting message outer layer VLAN ethernet type as IEEE 802.1 Q ethernet type value, and transmitting message to 802.1 Q supported network equipment. Said invention can make current 802.1 Q supported network equipment realizing two layer VLAN based message transmitting without updating hard ware, reducing message transmitting cost, raising practicability, and speeding-up VLAN application process in accessing network.
Description
Technical field
The present invention relates to the network communications technology field, be specifically related to implementation method, Access Network and the network equipment that a kind of message is transmitted.
Background technology
In the WT101 of DSL Forum (Digital Subscriber Line forum), in order to improve the extensibility of network size, the double layer VLAN (VLAN) of having quoted IEEE 802.1ad definition is VLAN Stack (storehouse), as the sign that inserts the business and residence customer, wherein, it is C-VLAN that inner VLAN is called user vlan, and it is S-VLAN that outside VLAN is called service VLAN.
Stipulate among the IEEE 802.1ad that inner VLAN adopts the sign of EtherType (ethernet type) the value 0x8100 identical with IEEE 802.1Q as C-VLAN, outside VLAN adopts the EtherType value that is different from inner VLAN, so that and C-VLAN difference.Also do not determine the concrete value of outside VLAN at present.
The WT101 regulation of DSL Forum, the DSL Access Network need be deferred to the standard supported vlans Stack of 802.1ad.
When the VLAN Stack of 802.1ad standard is deferred in the employing of DSL Access Network, because the EtherType value among the S-VLAN of 802.1ad regulation is different with the EtherType of 802.1Q, so, the Ethernet tandem equipment original in the Access Network, that all only support 802.1Q all needs to carry out HardwareUpgring, just can make the application of whole Access Network supported vlans Stack, make the realization cost height of the Access Network of disposing VLAN Stack.
Summary of the invention
The objective of the invention is to, the implementation method, Access Network and the network equipment that provide a kind of message to transmit, reduced the cost of realizing that message is transmitted, realized cost, improved the practicality of VLAN Stack in Access Network, accelerated VLAN Stack in the Application in Access Network process but reduced the Access Network of disposing VLAN Stack.
For achieving the above object, the implementation method that a kind of message provided by the invention is transmitted comprises:
Support the ethernet type of the network equipment packet outer layer VLAN of two-layer VLAN to be set to the ethernet type value of IEEE802.1Q, and message is sent to the network equipment of supporting 802.1Q.
The network equipment of the two-layer VLAN of described support comprises: support the access node of two-layer VLAN, the wideband network gateway BNG of the two-layer VLAN of support.
The network equipment of described support 802.1Q comprises: BNG, converge ethernet switching device.
When the network equipment of the two-layer VLAN of described support was access node, described method specifically comprised:
Access node receives the message only have one deck VLAN by user port, and when be described message increase outside VLAN, the ethernet type of outside VLAN is set to the ethernet type value of 802.1Q;
The message of two-layer VLAN transferred to by its uplink port and converges ethernet switching device inside and outside access node will have;
When the network equipment of the two-layer VLAN of described support was access node, described method specifically comprised:
BNG receives the message only have one deck VLAN by uplink port, and when be described message increase outside VLAN, the ethernet type of outside VLAN is set to the ethernet type value of 802.1Q;
The message of two-layer VLAN transferred to by its downlink port and converges ethernet switching device inside and outside BNG will have.
Described method also comprises:
Message access node receives it from uplink port, that have inside and outside two-layer VLAN removes outside VLAN, and the message that will remove after the outside VLAN is transmitted by user port.
A kind of Access Network provided by the invention, comprise: at least one access node, at least one converges ethernet switching device and at least one BNG, and converge ethernet switching device for supporting the ethernet switching device that converges of 802.1Q, access node and BNG are the network equipment of supporting two-layer VLAN, are provided with among access node, the BNG to revise the ethernet type module;
When access node or BNG carry out the outside VLAN encapsulation at the message to its reception, the ethernet type of revising the outside VLAN of ethernet type module message is set to the ethernet type value of IEEE 802.1Q, and access node or the BNG message after with described the setting is sent to and converges ethernet switching device;
Converge ethernet switching device: receive the message that access node or BNG transmission comes, and carry out message according to the outside VLAN of this message and transmit.
Described Access Network comprises: the DSL Access Network of supporting two-layer ethernet vlan.
The described ethernet switching device that converges comprises: support in the digital user wire DSL Access Network two-layer VLAN encapsulation the Ethernet message transmissions converge ethernet switching device.
The present invention also provides a kind of network equipment of supporting two-layer VLAN, comprising:
Revise the ethernet type module: when the network equipment carried out the outside VLAN encapsulation to the Ethernet message of its reception, the ethernet type of outside VLAN was set to the ethernet type value of IEEE 802.1Q, and message is sent to the network equipment of supporting 802.1Q.
Described modification ethernet type module is positioned at access node or BNG.
Description by technique scheme as can be known, the network equipment of the two-layer VLAN of support among the present invention is set to the ethernet type value of IEEE 802.1Q by the ethernet type of the outside VLAN of message, make present existing support 802.1Q the network equipment such as BNG, converge ethernet switching device etc. and can not carry out under the situation of HardwareUpgring, realize transmitting based on the message of two-layer VLAN; When the present invention is applied to Access Network, the network equipment such as access node, BNG is set to the ethernet type value of IEEE 802.1Q by the ethernet type of the outside VLAN of message, make in the Access Network all only support converging ethernet switching device and can both not carrying out under the situation of HardwareUpgring of 802.1Q, realize that the Access Network message transmits; But thereby realized reduction message forwarding cost, reduced Access Network realization cost, the practicality of raising VLAN Stack in Access Network, the purpose of quickening VLAN Stack application process in Access Network of disposing VLAN Stack by technical scheme provided by the invention.
Description of drawings
Fig. 1 is that access node of the present invention is realized the flow chart that message is transmitted;
Fig. 2 is an Access Network schematic diagram of the present invention.
Embodiment
The core of method of the present invention, connecting system and access node, BNG all is: support the ethernet type of outside VLAN of the network equipment message of two-layer VLAN to be set to the ethernet type value of IEEE 802.1Q, and message is sent to the network equipment of supporting 802.1Q.
The message that the network equipment of the two-layer VLAN of support of the present invention transfers to the network equipment of supporting 802.1Q is the Ethernet message with two-layer VLAN, because the ethernet type of this Ethernet message ectomesoderm VLAN is set to the ethernet type value of IEEE 802.1Q, the network equipment that makes the support 802.1Q that receives this message is as converging ethernet switching device etc., can not carry out under the situation of HardwareUpgring, carry out message according to its current message pass-through mode and transmit, realize the cost that message is transmitted thereby reduced.
The network equipment of the two-layer VLAN of above-mentioned support also can be that the message transmissions of the ethernet type value of IEEE802.1Q is supported the network equipment of 802.1Q to other with the ethernet type of outside VLAN, as BNG etc.
Be that example is further described technical scheme provided by the invention with the present invention in Application in Access Network below.
Access Network among the present invention comprises: the DSL Access Network of supporting two-layer ethernet vlan.
In Access Network was used, the network equipment of support 802.1Q of the present invention was: converge ethernet switching device, converge ethernet switching device etc. as the Ethernet message transmissions of supporting two-layer VLAN encapsulation in DSL (Digital Subscriber Line) Access Network.
In Access Network was used, the network equipment of the two-layer VLAN of support of the present invention can comprise: support the access node of two-layer VLAN, the BNG (wideband network gateway) of the two-layer VLAN of support.The network equipment of the two-layer VLAN of support among the present invention includes but not limited to above-mentioned access node and BNG.
According to the VLAN Stack application structure that defines among the WT101, C-VLAN among the VLAN Stack (inner VLAN) is used for access node and isolates at the inner butt joint of access device access customer, and on BNG, the user is identified, converging on the ethernet switching device in the middle of Access Network, only need transmit based on S-VLAN (outside VLAN), realize the flow isolation between the access node, converging with big net switching equipment does not need perception internal layer C-VLAN.
Because original support 802.1Q converges ethernet switching device and can carry out the Ethernet message based on one deck VLAN and transmit, so, be revised as the EtherType of 802.1Q by S-VLAN with VLAN Stack, just can make converging ethernet switching device and need not doing any change of original support 802.1Q, just can supported vlans Stack in Application in Access Network, the ethernet switching device that converges in the Access Network that disposed, a large amount of, original support 802.1Q also need not upgrading.
The flow chart that access node realization message of the present invention is transmitted as shown in Figure 1.
Among Fig. 1, because access node and converge the message that transmits between the ethernet switching device in the Access Network of the present invention, BNG with converge the message that transmits between the ethernet switching device and be: the ethernet type of S-VLAN is the identical message of 0x8100 for the ethernet type value with 802.1Q, so, in step 100, access node in the Access Network is after receiving the VLAN that only has one deck VLAN sign from its user port, to step 110, access node is increasing in the S-VLAN process for this message, the ethernet type value that the ethernet type of S-VLAN is set to 802.1Q is 0x8100, access node is after increasing S-VLAN, to step 120, access node transfers to this message with inside and outside two-layer VLAN and converges ethernet switching device by its uplink port.
Processing that BNG carries out its message that receives from core net such as above-mentioned access node are to the processing procedure of message.
Because converging the ethernet type of the S-VLAN of the message that ethernet switching device receives is the ethernet type value 0x8100 of 802.1Q, so, converging ethernet switching device can transmit this message according to its present message forwarding method, as converge ethernet switching device the message with two-layer VLAN that access node transmission comes is transferred to BNG according to outside VLAN, the message with two-layer VLAN that the BNG transmission is come transfers to access node according to outside VLAN, thereby, when having avoided VLAN Stack to be applied to Access Network, need be to converging the process that ethernet switching device is upgraded.
Access node of the present invention does not change from the message forwarding processing procedure that uplink port receives it, be that the message that ethernet switching device comes by the uplink port transmission is converged in the access node reception, and after S-VLAN deletion, by corresponding user port transmission with this message.
The user port of above-mentioned access node includes but not limited to: residential customer port, enterprise's individual line subscriber.
Access Network provided by the invention as shown in Figure 2.
Among Fig. 2, Access Network comprises: N access node, BNG and one converge ethernet switching device, N access node by uplink port with converge ethernet switching device and be connected, BNG by downlink port with converge ethernet switching device and be connected.
Converge ethernet switching device for supporting the ethernet switching device that converges of 802.1Q, access node 1 is the network equipment of the two-layer VLAN of support to access node N and BNG.Access node 1 is provided with modification ethernet type module to access node N and BNG.
Access node 1 only has the message of one deck VLAN respectively by its user port reception separately to access node N, each access node increases in the process of S-VLAN at the message that is respectively its reception, and the ethernet type of revising ethernet type module S-VLAN is set to the ethernet type value 0x8100 of 802.1Q.The message of two-layer VLAN transferred to by its uplink port and converges ethernet switching device inside and outside access node will have, converge ethernet switching device when receiving the message of access node transmission, only message is forwarded to BNG according to the S-VLAN in the message, being terminated by BNG, this has the message of two-layer VLAN, and transfers to core net.
BNG receives the message that the core net transmission comes, and BNG increases in the process of S-VLAN at the message that is its reception, and the ethernet type of revising ethernet type module S-VLAN is set to the ethernet type value 0x8100 of 802.1Q.The message of two-layer VLAN transferred to by its downlink port and converges ethernet switching device inside and outside BNG will have, converge ethernet switching device when receiving the message of access node transmission, only message is forwarded to corresponding access node according to the S-VLAN in the message.
Access node by its uplink port receive converge that ethernet switching device transmission comes have the message of inside and outside two-layer VLAN the time, S-VLAN is removed, then, carry out message by corresponding user port and transmit.
Modification ethernet type module functions in the access node of the present invention is: increase in the process of S-VLAN by the message that user port receives for it at access node, the ethernet type of S-VLAN is set to the ethernet type value 0x8100 of 802.1Q.
The message of access node after with above-mentioned the setting is sent to by its uplink port and converges ethernet switching device.Simultaneously, access node will be gone from it, and message that port receives, that have inside and outside two-layer VLAN removes S-VLAN, and the message that will remove behind the S-VLAN is transmitted by user port.
Modification ethernet type module functions among the BNG of the present invention is: increase in the process of S-VLAN by the message that uplink port receives for it at BNG, the ethernet type of S-VLAN is set to the ethernet type value 0x8100 of 802.1Q.
BNG is sent to message and converges ethernet switching device by downlink port.
Though described the present invention by embodiment, those of ordinary skills know, the present invention has many distortion and variation and do not break away from spirit of the present invention, and the claim of application documents of the present invention comprises these distortion and variation.
Claims (10)
1, a kind of implementation method of message forwarding is characterized in that, comprising:
Support the ethernet type of the network equipment packet outer layer VLAN of two-layer VLAN to be set to the ethernet type value of IEEE802.1Q, and message is sent to the network equipment of supporting 802.1Q.
2, the implementation method of a kind of message forwarding as claimed in claim 1 is characterized in that the network equipment of the two-layer VLAN of described support comprises: support the access node of two-layer VLAN, the wideband network gateway BNG of the two-layer VLAN of support.
3, the implementation method transmitted of a kind of message as claimed in claim 1 or 2 is characterized in that the network equipment of described support 802.1Q comprises: BNG, converge ethernet switching device.
4, the implementation method of a kind of message forwarding as claimed in claim 3 is characterized in that:
When the network equipment of the two-layer VLAN of described support was access node, described method specifically comprised:
Access node receives the message only have one deck VLAN by user port, and when be described message increase outside VLAN, the ethernet type of outside VLAN is set to the ethernet type value of 802.1Q;
The message of two-layer VLAN transferred to by its uplink port and converges ethernet switching device inside and outside access node will have;
When the network equipment of the two-layer VLAN of described support was access node, described method specifically comprised:
BNG receives the message only have one deck VLAN by uplink port, and when be described message increase outside VLAN, the ethernet type of outside VLAN is set to the ethernet type value of 802.1Q;
The message of two-layer VLAN transferred to by its downlink port and converges ethernet switching device inside and outside BNG will have.
The implementation method that 5 a kind of messages as claimed in claim 4 are transmitted is characterized in that described method also comprises:
Message access node receives it from uplink port, that have inside and outside two-layer VLAN removes outside VLAN, and the message that will remove after the outside VLAN is transmitted by user port.
6, a kind of Access Network, comprise: at least one access node, at least one converges ethernet switching device and at least one BNG, and converge ethernet switching device for supporting the ethernet switching device that converges of 802.1Q, access node and BNG are the network equipment of supporting two-layer VLAN, it is characterized in that: be provided with among access node, the BNG and revise the ethernet type module;
When access node or BNG carry out the outside VLAN encapsulation at the message to its reception, the ethernet type of revising the outside VLAN of ethernet type module message is set to the ethernet type value of IEEE 802.1Q, and access node or the BNG message after with described the setting is sent to and converges ethernet switching device;
Converge ethernet switching device: receive the message that access node or BNG transmission comes, and carry out message according to the outside VLAN of this message and transmit.
7, a kind of Access Network as claimed in claim 6 is characterized in that, described Access Network comprises: the DSL Access Network of supporting two-layer ethernet vlan.
8, a kind of Access Network as claimed in claim 6 is characterized in that, the described ethernet switching device that converges comprises: support in the digital user wire DSL Access Network two-layer VLAN encapsulation the Ethernet message transmissions converge ethernet switching device.
9, a kind of network equipment of supporting two-layer VLAN is characterized in that, comprising:
Revise the ethernet type module: when the network equipment carried out the outside VLAN encapsulation to the Ethernet message of its reception, the ethernet type of outside VLAN was set to the ethernet type value of IEEE 802.1Q, and message is sent to the network equipment of supporting 802.1Q.
10, a kind of network equipment of supporting two-layer VLAN as claimed in claim 9 is characterized in that, described modification ethernet type module is positioned at access node or BNG.
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| CNB2005101092834A CN1333565C (en) | 2005-10-20 | 2005-10-20 | Method for realizing message transmitting, access network and network apparatus |
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| CNB2005101092834A CN1333565C (en) | 2005-10-20 | 2005-10-20 | Method for realizing message transmitting, access network and network apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101552697B (en) * | 2009-05-06 | 2011-04-13 | 深圳市普联技术有限公司 | Network access apparatus upgrade system and network access apparatus upgrade method |
| CN107231316A (en) * | 2017-06-27 | 2017-10-03 | 中国联合网络通信集团有限公司 | The transmission method and device of message |
| CN108924052A (en) * | 2018-07-17 | 2018-11-30 | 迈普通信技术股份有限公司 | Message forwarding method, aggregation gateway, access gateway and system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6839348B2 (en) * | 1999-04-30 | 2005-01-04 | Cisco Technology, Inc. | System and method for distributing multicasts in virtual local area networks |
| US7301946B2 (en) * | 2000-11-22 | 2007-11-27 | Cisco Technology, Inc. | System and method for grouping multiple VLANs into a single 802.11 IP multicast domain |
| CN1185831C (en) * | 2001-12-13 | 2005-01-19 | 华为技术有限公司 | Method for managing users in wide hand city network |
| US7120791B2 (en) * | 2002-01-25 | 2006-10-10 | Cranite Systems, Inc. | Bridged cryptographic VLAN |
| CN1125545C (en) * | 2001-12-31 | 2003-10-22 | 刘军民 | Data forwarding method for implementing virtual channel transmission in LAN |
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2005
- 2005-10-20 CN CNB2005101092834A patent/CN1333565C/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101552697B (en) * | 2009-05-06 | 2011-04-13 | 深圳市普联技术有限公司 | Network access apparatus upgrade system and network access apparatus upgrade method |
| CN107231316A (en) * | 2017-06-27 | 2017-10-03 | 中国联合网络通信集团有限公司 | The transmission method and device of message |
| CN108924052A (en) * | 2018-07-17 | 2018-11-30 | 迈普通信技术股份有限公司 | Message forwarding method, aggregation gateway, access gateway and system |
| CN108924052B (en) * | 2018-07-17 | 2021-07-06 | 迈普通信技术股份有限公司 | Message forwarding method, convergence gateway, access gateway and system |
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| CN1333565C (en) | 2007-08-22 |
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Effective date of registration: 20230418 Address after: Room 910, 9th Floor, Building 1, No. 22 Jianguomenwai Street (Saite Building), Chaoyang District, Beijing, 100022 Patentee after: Beijing Zhifang Intellectual Property Management Co.,Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd. |