CN102904863A - Method and gateway for controlling accessing of host of IPoE (IP over Ethernet) dual-stack user - Google Patents
Method and gateway for controlling accessing of host of IPoE (IP over Ethernet) dual-stack user Download PDFInfo
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- CN102904863A CN102904863A CN2011102138686A CN201110213868A CN102904863A CN 102904863 A CN102904863 A CN 102904863A CN 2011102138686 A CN2011102138686 A CN 2011102138686A CN 201110213868 A CN201110213868 A CN 201110213868A CN 102904863 A CN102904863 A CN 102904863A
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Abstract
The invention discloses a method and a gateway for controlling accessing of a host of an IPoE (IP over Ethernet) dual-stack user, avoiding the problem that a BNG (Broadband Network Gateway) is incompatible in access treatment of the host of the IPoE dual-stack user based on IPv4 (Internet Protocol version 4) and IPv6 (Internet Protocol version 6). The method comprises the step of: once the host of the IPoE dual-stack user is accessed based on the IPv6, determining whether the host of the IPoE dual-stack user is successfully accessed based on IPv4 through the BNG, wherein the host of the IPoE dual-stack user just can be allowed to access based on IPv6 by the BNG only when the host of the IPoE dual-stack user is accessed based on IPv4. The gateway comprises a determining module and an accessing control module. By adopting the method provided by the embodiment of the invention, the BNG can actively suppress the process of accessing based on IPv6 to gain an address when the host of the IPoE dual-stack user is accessed to the BNG, and the address is not gained based on the accessing under IPv4, so that the problem that the BNG is incompatible in access treatment of the host of the IPoE dual-stack user based on IPv4 and IPv6 can be avoided.
Description
Technical field
Mobile communication system of the present invention is specifically related to connection control method and the gateway of the two stack subscriber's main stations of IPoE (IP over Ethernet, Ethernet bearing IP agreement).
Background technology
Dual-stack network refers to, existing network service based on IPv4 in the Internet network provides again the network service of IPv6.The two stack subscriber's main stations of IPoE refer to, subscriber's main station obtains IPv4 or IPv6 address simultaneously, subscriber's main station obtains the IPv4 address by DHCP (DynamicHost arranges agreement), obtains the IPv6 address by SLAAC (stateless address distribution) or DHCPv6.Like this at IPv4 in the network transition process of IPv6, subscriber's main station can be accessed IPv4 network and IPv6 network simultaneously.Two stack addresses of the two stack subscriber's main stations of IPoE are by BNG (wideband network gateway) unified distribution, and BNG thinks that two stack users are that a user has IPv4 and IPv6 address simultaneously.
For two stack subscriber's main stations, the IPv4 address relies on the DHCP agreement to distribute, and the IPv6 address relies on the SLAAC agreement to distribute.This pair of stack access way, the relatively traditional single stack access of IPv4 of the processing of BNG is faced with some problems, and these problems are difficult to avoid at present.
DHCP access for traditional IPv4, the Option82 option of DHCP and Option60 option play a part very important in the verification process of DHCP user's access, these options are obtained in the process of address additional at DHCP by the descending AN of BNG (access node) equipment or DHCPv4 terminal, BNG can be as follows to the processing of these options:
1, BNG comes the positional information of discriminating user access by Option82, thereby whether the inspection user on-position is legal;
2, BNG can be with the combination of Option82 and Option60 option, the user name that authenticates as DHCP user.
But for passing through this mode in SLAAC mode distributing IP v6 address, SLAAC adopts ND (neighbours' discovery) agreement of IPv6 to IPv6 host assignment address, at present, most of ND protocol stack not definition is similar to the Option82 of DHCP and the option of Option60, and most of AN equipment is not supported additional these options of ND agreement are processed.
So when the two stacks of IPoE, when IPv4 accessed first, the positional information that BNG still can recognize the user by Option82 and the Option60 option of DHCP found user's input field; If IPv6 accesses first, because the ND agreement do not have this 2 options, so BNG is beyond recognition out user's positional information, finds user's input field, and the two stack users of IPoE access processing and will exist with the single stack user of IPoE and access the incompatible problem of processing so.
Summary of the invention
The technical problem that the present invention solves provides the two stack subscriber's main station connection control methods of a kind of IPoE and gateway, avoids occurring BNG the two stack subscriber's main station IPv4 accesses of IPoE and IPv6 are accessed the incompatibility problem of processing.
For solving the problems of the technologies described above, the invention provides the two stack subscriber's main station connection control methods of a kind of IPoE, comprising:
When the two stack subscriber's main stations of Ethernet bearing IP agreement (IPoE) access with IPv6, wideband network gateway (BNG) judges whether the IPv4 access of the two stack subscriber's main stations of this IPoE is successful, described BNG only after the IPv4 of the two stack subscriber's main stations of this IPoE accesses successfully, allows the two stack subscriber's main stations of this IPoE to access with IPv6.
Further, described BNG judges that the IPv4 access of the two stack subscriber's main stations of this IPoE is unsuccessful, and described method also comprises: described BNG suppresses the IPv6 access of the two stack subscriber's main stations of this IPoE.
Further, described BNG suppresses the IPv6 access of the two stack subscriber's main stations of this IPoE, comprising:
Described BNG directly refuses the IPv6 access of the two stack subscriber's main stations of this IPoE; Perhaps
Described BNG is after the IPv6 access of the two stack subscriber's main stations of this IPoE of refusal, and the two stack subscriber's main station once-requested IPv6 accesses of this IPoE of mark are rejected, and record the user profile of the two stack subscriber's main stations of this IPoE; Perhaps
Described BNG is after the IPv6 access of the two stack subscriber's main stations of this IPoE of refusal, the two stack subscriber's main station once-requested IPv6 accesses of this IPoE of mark are rejected, and after recording the user profile of the two stack subscriber's main stations of this IPoE, if judging in the given time the IPv4 of the two stack subscriber's main stations of this IPoE accesses successfully, then allow the IPv6 access of the two stack subscriber's main stations of this IPoE, successfully or not do not ask the IPv4 access if access, then BNG removes this mark, and deletes this user profile.
Further, described method also comprises: after the IPv4 of the two stack subscriber's main stations of this IPoE accessed successfully, described BNG triggered the two stack subscriber's main stations of this IPoE and initiates IPv6 address acquisition process.
Further, described BNG allows the two stack subscriber's main stations of this IPoE to access with IPv6, and described method also comprises: when the two stack subscriber's main stations of this IPoE accessed with IPv6, described BNG no longer authenticated the two stack subscriber's main stations of this IPoE.
For solving the problems of the technologies described above, the present invention also provides the two stack subscriber's main station access control gateways of a kind of IPoE, comprises judge module and access control module, wherein:
Described judge module is used for when the two stack subscriber's main stations of Ethernet bearing IP agreement (IPoE) access with IPv6, judges whether the IPv4 access of the two stack subscriber's main stations of this IPoE is successful;
Described access control module only is used for allowing this IPoE pair of stack subscriber's main stations to access with IPv6 after the IPv4 of the two stack subscriber's main stations of this IPoE access successfully.
Further, described access control module also is used for judging that at described judge module the IPv4 of the two stack subscriber's main stations of this IPoE accesses when unsuccessful, suppresses the IPv6 access of the two stack subscriber's main stations of this IPoE.
Further, described access control module is for the IPv6 access that suppresses in the following ways the two stack subscriber's main stations of this IPoE:
The directly IPv6 access of the two stack subscriber's main stations of this IPoE of refusal; Perhaps
After the IPv6 access of the two stack subscriber's main stations of this IPoE of refusal, the two stack subscriber's main station once-requested IPv6 accesses of this IPoE of mark are rejected, and record the user profile of the two stack subscriber's main stations of this IPoE; Perhaps
After the IPv6 access of the two stack subscriber's main stations of this IPoE of refusal, the two stack subscriber's main station once-requested IPv6 accesses of this IPoE of mark are rejected, and after recording the user profile of the two stack subscriber's main stations of this IPoE, if judging in the given time the IPv4 of the two stack subscriber's main stations of this IPoE accesses successfully, then allow the IPv6 access of the two stack subscriber's main stations of this IPoE, successfully or not do not ask the IPv4 access if access, then remove this mark, and delete this user profile.
Further, described gateway also comprises trigger module, and it is used for after the IPv4 of the two stack subscriber's main stations of this IPoE accesses successfully, triggers the two stack subscriber's main stations of this IPoE and initiates IPv6 address acquisition process.
Further, described access control module also is used for no longer the two stack subscriber's main stations of this IPoE being authenticated when the two stack subscriber's main stations of this IPoE access with IPv6.
Adopt the method for the embodiment of the invention, when the two stack subscriber's main station access of IPoE BNG, not yet access when obtaining the address at IPv4, the process of address is obtained in BNG active suppression IPv6 access, after control must wait subscriber's main station IPv4 access to obtain the address, just allow the IPv6 access to obtain the address, thereby avoid occurring BNG to the incompatibility problem of the two stack subscriber's main station IPv4 accesses of IPoE and IPv6 access processing.
Description of drawings
Fig. 1 is network topology schematic diagram involved in the present invention.
Fig. 2 is flow chart of the present invention.
Fig. 3 is the flow chart of the embodiment of the invention 1;
Fig. 4 is the flow chart of the embodiment of the invention 2;
Fig. 5 is the flow chart of the embodiment of the invention 3.
Embodiment
Access Control Technique under the two stack subscriber's main stations access of the IPoE provided herein scene, can be applied to IPv4 and IPv6 and the network of two stacks of depositing in, the equipment that relates to comprises UE (subscriber equipment), AN and BNG as shown in Figure 1.
Connection control method may further comprise the steps:
When the two stack subscriber's main stations of IPoE accessed with IPv6, BNG judged whether the IPv4 access of the two stack subscriber's main stations of this IPoE is successful, only after the IPv4 of the two stack subscriber's main stations of this IPoE accesses successfully, allowed the two stack subscriber's main stations of this IPoE to access with IPv6.
As shown in Figure 2, specifically comprise the steps:
The mode of the IPv6 access (namely obtaining the IPv6 address) of the two stack subscriber's main stations of IPoE comprises the access way of obtaining the IPv6 address by SLAAC, perhaps obtains the access way of IPv6 address by DHCPv6.
The IPv4 address acquisition represents that successfully this pair stack subscriber's main station IPv4 accesses successfully.
Preferably, after the IPv4 of the two stack subscriber's main stations of IPoE accesses successfully, BNG can initiatively trigger the two stack subscriber's main stations of IPoE and initiate IPv6 address acquisition process, this active triggering mode, that RA (router advertisement) by the ND agreement triggers subscriber's main station and obtains the IPv6 address, obtain the success of IPv6 address then IPv6 access successfully.
The IPv6 access of described this subscriber's main station of inhibition comprises one of following arbitrary processing mode:
● directly refuse the IPv6 access of the two stack subscriber's main stations of this IPoE;
● after the IPv6 access of the two stack subscriber's main stations of this IPoE of refusal, the two stack subscriber's main station once-requested IPv6 accesses of this IPoE of mark are rejected, and record the user profile of the two stack subscriber's main stations of this IPoE;
● after the IPv6 access of the two stack subscriber's main stations of this IPoE of refusal, the two stack subscriber's main station once-requested IPv6 accesses of this IPoE of mark are rejected, and after recording the user profile of the two stack subscriber's main stations of this IPoE, if judging in the given time the IPv4 of the two stack subscriber's main stations of this IPoE accesses successfully, then allow the IPv6 access of the two stack subscriber's main stations of this IPoE, successfully or not do not ask the IPv4 access if access, then BNG removes this mark, and deletes this user profile.
Preferably, because the access of IPv6 depends on the access success of IPv4, so during the IPv6 access, BNG can not authenticate the two stack subscriber's main stations of this IPoE.
Realize the gateway (such as BNG) of said method, comprise judge module, the access control module, wherein:
Described judge module is used for when the two stack subscriber's main stations of Ethernet bearing IP agreement (IPoE) access with IPv6, judges whether the IPv4 access of the two stack subscriber's main stations of this IPoE is successful;
Described access control module only is used for allowing this IPoE pair of stack subscriber's main stations to access with IPv6 after the IPv4 of the two stack subscriber's main stations of this IPoE access successfully.
Preferably, this access control module also is used for judging that at described judge module the IPv4 of the two stack subscriber's main stations of this IPoE accesses when unsuccessful, suppresses the IPv6 access of the two stack subscriber's main stations of this IPoE.
This access control module is for the IPv6 access that suppresses in the following ways the two stack subscriber's main stations of this IPoE:
The directly IPv6 access of the two stack subscriber's main stations of this IPoE of refusal; Perhaps
After the IPv6 access of the two stack subscriber's main stations of this IPoE of refusal, the two stack subscriber's main station once-requested IPv6 accesses of this IPoE of mark are rejected, and record the user profile of the two stack subscriber's main stations of this IPoE; Perhaps
After the IPv6 access of the two stack subscriber's main stations of this IPoE of refusal, the two stack subscriber's main station once-requested IPv6 accesses of this IPoE of mark are rejected, and after recording the user profile of the two stack subscriber's main stations of this IPoE, if judging in the given time the IPv4 of the two stack subscriber's main stations of this IPoE accesses successfully, then allow the IPv6 access of the two stack subscriber's main stations of this IPoE, successfully or not do not ask the IPv4 access if access, then remove this mark, and delete this user profile.
Preferably, this gateway also comprises trigger module, and it is used for after the IPv4 of the two stack subscriber's main stations of this IPoE accesses successfully, triggers the two stack subscriber's main stations of this IPoE and initiates IPv6 address acquisition process.
Preferably, this access control module also is used for no longer the two stack subscriber's main stations of this IPoE being authenticated when the two stack subscriber's main stations of this IPoE access with IPv6.
For making the purpose, technical solutions and advantages of the present invention clearer, hereinafter in connection with accompanying drawing embodiments of the invention are elaborated.Need to prove that in the situation of not conflicting, the embodiment among the application and the feature among the embodiment be combination in any mutually.
Embodiment 1
Present embodiment is described the two stack users of IPoE and is reached the standard grade, and IPv4 obtains first the address, and subscriber's main station by the process of SLAAC request access IPv6, as shown in Figure 3, may further comprise the steps again:
Embodiment 2
Present embodiment is described the two stack users of IPoE and is reached the standard grade, and subscriber's main station by SLAAC request access IPv6, by the process of DHCP request access IPv6, as shown in Figure 4, may further comprise the steps first again:
Step 402, subscriber's main station are by SLAAC acquisition request IPv6 address, and BNG checks and find that subscriber's main station is the two stack subscriber's main stations of IPoE that BNG checks and finds that this subscriber's main station does not access successfully by IPv4;
Embodiment 3
Present embodiment is described the two stack users of IPoE and is reached the standard grade, and by SLAAC request access IPv6, the process of not asking for a long time subsequently access IPv4 as shown in Figure 5, may further comprise the steps subscriber's main station first:
One of ordinary skill in the art will appreciate that all or part of step in the said method can come the instruction related hardware to finish by program, described program can be stored in the computer-readable recording medium, such as read-only memory, disk or CD etc.Alternatively, all or part of step of above-described embodiment also can realize with one or more integrated circuits.Correspondingly, each the module/unit in above-described embodiment can adopt the form of hardware to realize, also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
Certainly; the present invention also can have other various embodiments; in the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1. two stack subscriber's main station connection control methods of an IPoE comprise:
When the two stack subscriber's main stations of Ethernet bearing IP agreement (IPoE) access with IPv6, wideband network gateway (BNG) judges whether the IPv4 access of the two stack subscriber's main stations of this IPoE is successful, described BNG only after the IPv4 of the two stack subscriber's main stations of this IPoE accesses successfully, allows the two stack subscriber's main stations of this IPoE to access with IPv6.
2. the method for claim 1 is characterized in that:
Described BNG judges that the IPv4 access of the two stack subscriber's main stations of this IPoE is unsuccessful, and described method also comprises:
Described BNG suppresses the IPv6 access of the two stack subscriber's main stations of this IPoE.
3. method as claimed in claim 2 is characterized in that:
Described BNG suppresses the IPv6 access of the two stack subscriber's main stations of this IPoE, comprising:
Described BNG directly refuses the IPv6 access of the two stack subscriber's main stations of this IPoE; Perhaps
Described BNG is after the IPv6 access of the two stack subscriber's main stations of this IPoE of refusal, and the two stack subscriber's main station once-requested IPv6 accesses of this IPoE of mark are rejected, and record the user profile of the two stack subscriber's main stations of this IPoE; Perhaps
Described BNG is after the IPv6 access of the two stack subscriber's main stations of this IPoE of refusal, the two stack subscriber's main station once-requested IPv6 accesses of this IPoE of mark are rejected, and after recording the user profile of the two stack subscriber's main stations of this IPoE, if judging in the given time the IPv4 of the two stack subscriber's main stations of this IPoE accesses successfully, then allow the IPv6 access of the two stack subscriber's main stations of this IPoE, successfully or not do not ask the IPv4 access if access, then BNG removes this mark, and deletes this user profile.
4. such as claim 1 or 2 or 3 described methods, it is characterized in that: described method also comprises:
After the IPv4 of the two stack subscriber's main stations of this IPoE accessed successfully, described BNG triggered the two stack subscriber's main stations of this IPoE and initiates IPv6 address acquisition process.
5. such as claim 1 or 2 or 3 described methods, it is characterized in that:
Described BNG allows the two stack subscriber's main stations of this IPoE to access with IPv6, and described method also comprises: when the two stack subscriber's main stations of this IPoE accessed with IPv6, described BNG no longer authenticated the two stack subscriber's main stations of this IPoE.
6. the two stack subscriber's main station access control gateways of IPoE comprise judge module and access control module, wherein:
Described judge module is used for when the two stack subscriber's main stations of Ethernet bearing IP agreement (IPoE) access with IPv6, judges whether the IPv4 access of the two stack subscriber's main stations of this IPoE is successful;
Described access control module only is used for allowing this IPoE pair of stack subscriber's main stations to access with IPv6 after the IPv4 of the two stack subscriber's main stations of this IPoE access successfully.
7. gateway as claimed in claim 6 is characterized in that:
Described access control module also is used for judging that at described judge module the IPv4 of the two stack subscriber's main stations of this IPoE accesses when unsuccessful, suppresses the IPv6 access of the two stack subscriber's main stations of this IPoE.
8. gateway as claimed in claim 7 is characterized in that:
Described access control module is for the IPv6 access that suppresses in the following ways the two stack subscriber's main stations of this IPoE:
The directly IPv6 access of the two stack subscriber's main stations of this IPoE of refusal; Perhaps
After the IPv6 access of the two stack subscriber's main stations of this IPoE of refusal, the two stack subscriber's main station once-requested IPv6 accesses of this IPoE of mark are rejected, and record the user profile of the two stack subscriber's main stations of this IPoE; Perhaps
After the IPv6 access of the two stack subscriber's main stations of this IPoE of refusal, the two stack subscriber's main station once-requested IPv6 accesses of this IPoE of mark are rejected, and after recording the user profile of the two stack subscriber's main stations of this IPoE, if judging in the given time the IPv4 of the two stack subscriber's main stations of this IPoE accesses successfully, then allow the IPv6 access of the two stack subscriber's main stations of this IPoE, successfully or not do not ask the IPv4 access if access, then remove this mark, and delete this user profile.
9. such as claim 6 or 7 or 8 described gateways, it is characterized in that:
Described gateway also comprises trigger module, and it is used for after the IPv4 of the two stack subscriber's main stations of this IPoE accesses successfully, triggers the two stack subscriber's main stations of this IPoE and initiates IPv6 address acquisition process.
10. such as claim 6 or 7 or 8 described gateways, it is characterized in that:
Described access control module also is used for no longer the two stack subscriber's main stations of this IPoE being authenticated when the two stack subscriber's main stations of this IPoE access with IPv6.
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