CN101123566B - Port processing method for VLAN using GVRP - Google Patents
Port processing method for VLAN using GVRP Download PDFInfo
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Abstract
The present invention discloses a processing method of ports in a VLAN using the GVRP protocol. The port of a switch in the VLAN reads an event type and a VLAN attribute list. If the event type is an addition event and the VLAN attribute list includes the VLAN attribute information, then the port is configured according to VLAN attributes and port attributes. If the event type is an addition event and the VLAN attribute list does not include the VLAN attribute information, then according to the port attributes, the VLAN is registered as a dynamic VLAN, and the port is configured as a dynamic port, which is then added into the dynamic VLAN. If the event type is a leave event, then the port or the VLAN is revoked according to the VLAN attributes and the port attributes. Since the GVRP protocol configures dynamic ports in the VLAN, the consistency between the static VLAN configured by a user and the VLAN dynamically registered by the GVRP protocol is ensured, and the effective differentiation between the statically configured ports in the static VLAN and the dynamically registered ports is ensured.
Description
Technical field
The present invention relates to the LAN switch technology, relate in particular to the port processing method of the VLAN of a kind of GVRP of use.
Background technology
GARP (Generic Attribute Registration Protocol, Generic Attribute Registration Protocol) be a kind of general attributes registration protocol, it is for being in a kind of means that dynamic certain attribute information of distribution spreading registration is provided between the exchange member in the same switching network.In fact the GARP agreement can carry the attribute characteristic that multiple switch need be propagated, so the meaning that the GARP agreement exists in switch embodies by various GARP application protocols exactly.
GVRP (GARP VLAN Registration Protocol, GARP VLAN log-in protocol) agreement is the defined a kind of application protocol of GARP, it is based on the VLAN in the protocol Dynamic Maintenance switch of GARP (Virtual Local Area Network, VLAN) attribute.All support the switch of GVRP characteristic can receive the VLAN log-on message from other switches, and dynamically update local VLAN log-on message, comprising VLAN current on the switch, and these VLAN have comprised which port etc., and all support the switch of GVRP characteristics the VLAN log-on message of this locality can be propagated to other switches, reach an agreement so that make in the same switching network all support the VLAN of the equipment of GVRP characteristics to be configured on the interoperability as required.The VLAN log-on message of propagating by GVRP had both comprised the static vlan information of local manual configuration, also comprised from the dynamic vlan information in other switches.
In comprising GVRP agreement switch, exist two kinds of VLAN simultaneously: a kind of user of being is by the VLAN of static configuration, and another is the VLAN of GVRP agreement according to the VLAN attribute dynamic registration that receives.The state of static VLAN enables and disable, can include tag (mark) port and untagged (non-marked) port, but can not comprise simultaneously; Dynamic vlan is that the state that only enables can not be made amendment by artificial craft to the dynamic vlan state, must be handled by the GVRP agreement by the GVRP registration.When the user is provided with that static VLAN enables but after not comprising the port that can receive the GVRP attribute information, the GVRP agreement will be carried out the registration of VLAN to this port, add among this static state VLAN, but same in static VLAN the information of dynamic registration also can only nullify by the GVRP agreement.If this situation is not distinguished, will cause the inconsistency that in the switch VLAN is disposed so.
Need a kind ofly to be set to the processing method of dynamic port, guarantee the independence of GVRP protocol processes VLAN and human configuration VLAN by the port among the VLAN of GVRP protocol registration.
Summary of the invention
Main purpose of the present invention is to provide the port processing method of the VLAN of a kind of GVRP of use, is used for by the GVRP agreement switch VLAN being handled, and not only registers dynamic vlan, but also the port among static VLAN and the static VLAN is handled.
To achieve these goals, according to a first aspect of the invention, the invention provides the port processing method of the VLAN of a kind of GVRP of use, it is characterized in that, may further comprise the steps:
The port of switch reads event type and VLAN attribute list among the VLAN;
If event type is for adding incoming event, and there is the VLAN attribute information in the VLAN attribute list, then, port is provided with according to VLAN attribute and port attribute;
If event type is for adding incoming event, and do not have the VLAN attribute information in the VLAN attribute list, then according to port attribute, VLAN is registered dynamic vlan, port is set to dynamic port, and adds in the dynamic vlan;
If event type is a leave event,, nullify port or VLAN then according to VLAN attribute and port attribute.
If event type is for adding incoming event, and have the VLAN attribute information in the VLAN attribute list, then according to VLAN attribute and port attribute, the step that port is provided with can may further comprise the steps:
Step S106 judges that whether VLAN or port are dynamic, if at least one be, then proceed to step S108, if be not, then proceed to step S118;
Step S108 upgrades port attribute information;
Step S118 judges whether port enables among the VLAN in static state, if, then do not carry out any processing, if do not exist, then proceed to step S120;
Step S120, port is set to dynamic port, and adds static state to and enable among the VLAN.
If event type is for adding incoming event, and do not have the VLAN attribute information in the VLAN attribute list, then according to port attribute, VLAN is registered dynamic vlan, port is set to dynamic port, and the step of adding in the dynamic vlan can may further comprise the steps:
Step S136 judges port whether in static disable VLAN, if, then proceed to step S138, if do not exist, then proceed to step S148;
Step S138 carries out the dynamic vlan registration, port is arranged to dynamic port from static disable VLAN, and adds in the dynamic vlan;
Step S148 carries out the dynamic vlan registration, port directly is set to dynamic port, and adds in the dynamic vlan;
If event type is a leave event, then according to VLAN attribute and port attribute, the step of nullifying port or VLAN can may further comprise the steps:
Step S154 judges whether to exist port attribute information, if exist, then proceeds to step S156, if there is no, does not then carry out any processing;
Step S156, judge port whether in dynamic vlan or port whether be dynamic port, if, then proceed to step S158, if not, then do not carry out any processing;
Step S158 nullifies dynamic vlan, upgrades port attribute information.
The step that the port of switch reads event type and VLAN attribute list among the VLAN can comprise: port receives the literary composition of GVRP newspaper, according to message the VLAN attribute is judged, judged the state of the identical VLAN that carries in local and the attribute according to Valid (significance bit), VlanMode (VLAN pattern) sign.
Preferably, receive after the GVRP message, judge whether the GVRP message is correct,, then do not carry out any processing,, then read event type if correct if incorrect.
To achieve these goals, according to a second aspect of the invention, the invention provides the port processing method of the VLAN of a kind of GVRP of use, it is characterized in that, VLAN is for enabling VLAN, the port of switch reads out event type for adding incoming event among the VLAN from the GVRP message that receives, and port processing method may further comprise the steps:
If VLAN is dynamic vlan or port is dynamic port, then upgrade port attribute; If static state enables VLAN, then
If port enables among the VLAN in static state, then GVRP does not carry out any processing to port; If port does not enable among the VLAN in static state, then VLAN to be handled according to the incoming event that adds in the GVRP message, port is set to dynamic port, and is registered to static state and enables among the VLAN.
To achieve these goals, according to a third aspect of the invention we, the invention provides the port processing method of the VLAN of a kind of GVRP of use, it is characterized in that, VLAN is for enabling VLAN, to read out event type from the GVRP message that receives be leave event to the port of switch among the VLAN, and port processing method may further comprise the steps:
If there is no port attribute does not then carry out any processing; If there is port attribute, then
Enable dynamic port among the VLAN if port is a static state, then nullify port according to leave group message; If VLAN is a dynamic vlan, then nullify VLAN, VLAN and port are reduced into the preceding state of GVRP processing.
To achieve these goals, according to a forth aspect of the invention, the invention provides the port processing method of the VLAN of a kind of GVRP of use, it is characterized in that, VLAN is disable VLAN, the port of switch reads out event type for adding incoming event among the VLAN from the GVRP message that receives, and port processing method may further comprise the steps:
If port is in disable VLAN, then adding incoming event according to the GVRP message becomes dynamic vlan with the VLAN registration, and port is processed into dynamic port from original static disable VLAN, and adds in the dynamic vlan; If port not in disable VLAN, then the VLAN registration is become dynamic vlan, and directly port is set to dynamic port, and adds in the dynamic vlan.
Pass through technique scheme, the present invention is provided with dynamic port by the GVRP agreement in VLAN, guarantee the consistency of the VLAN of static VLAN that the user is provided with and GVRP dynamic registration, guarantee static configuration port among the static VLAN and effective differentiation of dynamic registration port simultaneously.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the overview flow chart according to the port processing method of the VLAN of use GVRP of the present invention;
Fig. 2 is the particular flow sheet according to the port processing method of the VLAN of use GVRP of the present invention;
Fig. 3 is according to the GVRP agreement of the embodiment of the invention process chart to VLAN; And
Fig. 4 is the GVRP processing VLAN networking diagram according to the embodiment of the invention.
Embodiment
Describe the present invention below with reference to the accompanying drawings in detail.
With reference to Fig. 1, the port processing method of the VLAN of GVRP that uses according to the present invention totally may further comprise the steps:
The port of switch reads event type and VLAN attribute list among the VLAN;
If event type is for adding incoming event, and there is the VLAN attribute information in the VLAN attribute list, then, port is provided with according to VLAN attribute and port attribute;
If event type is for adding incoming event, and do not have the VLAN attribute information in the VLAN attribute list, then according to port attribute, VLAN is registered dynamic vlan, port is set to dynamic port, and adds in the dynamic vlan;
If event type is a leave event,, nullify port or VLAN then according to VLAN attribute and port attribute.
With reference to Fig. 2, the port processing method of the VLAN of GVRP that uses according to the present invention specifically may further comprise the steps:
Step S102, the port of switch reads event type and VLAN attribute list among the VLAN, if event type then proceeds to step S104 for adding incoming event, if event type is a leave event, then proceeds to step S154;
Step S104 judges whether there is the VLAN attribute information in the VLAN attribute list, if exist, then proceeds to step S106, if there is no, then proceeds to step S136;
Step S106 judges that whether VLAN or port are dynamic, if at least one be, then proceed to step S108, if be not, then proceed to step S118;
Step S108 upgrades port attribute information;
Step S118 judges whether port enables among the VLAN in static state, if, then do not carry out any processing, if do not exist, then proceed to step S120;
Step S120, port is set to dynamic port, and adds static state to and enable among the VLAN;
Step S136 judges port whether in static disable VLAN, if, then proceed to step S138, if do not exist, then proceed to step S148;
Step S138 carries out the dynamic vlan registration, port is arranged to dynamic port from static disable VLAN, and adds in the dynamic vlan;
Step S148 carries out the dynamic vlan registration, port directly is set to dynamic port, and adds in the dynamic vlan;
Step S154 judges whether to exist port attribute information, if exist, then proceeds to step S156, if there is no, does not then carry out any processing;
Step S156, judge port whether in dynamic vlan or port whether be dynamic port, if, then proceed to step S158, if not, then do not carry out any processing;
Step S158 nullifies dynamic vlan, upgrades port attribute information.
The present invention relates to switch technology, particularly include in the switch of GVRP the GVRP agreement the processing method of VLAN.
GVRP agreement disclosed by the invention is handled VLAN by add dynamic port in VLAN the processing method of VLAN, may further comprise the steps:
The first step: determine whether the VLAN attribute list exists this attribute
Read the VLAN attribute list, judge whether this attribute exists.After having registered certain dynamic vlan, this VLAN attribute information just is present in the attribute list; Be provided with under the situation that static VLAN enables as manual configuration, this VLAN attribute information is present in the attribute list equally.
Second step: the non-existent situation of VLAN attribute
When the VLAN attribute does not exist, show that this VLAN is not registered as dynamic vlan, and this VLAN does not enable being set to static state by the user.If for adding message event: carry out the dynamic vlan registration according to the attribute information in the protocol massages, port is added in the dynamic vlan with the form of dynamic port; If being provided with among the static disable VLAN, the user added certain static port, if receive the port of GVRP agreement also in the VLAN of this disable, the GVRP protocol module becomes dynamic vlan with this VLAN registration, and this port is processed into dynamic port adds in the dynamic vlan from original static disable VLAN.If port is not in the VLAN of this disable, then the GVRP protocol module is this VLAN registration becoming dynamic vlan, and directly this port is set to dynamic port and adds in the dynamic vlan.
The 3rd step: the situation that the VLAN attribute exists
Be to add message event:, then upgrade this attribute if be dynamic port among dynamic vlan or the VLAN; If user configured static VLAN, if this port that receives the GVRP message enables among the VLAN in this static state, then the GVRP agreement is not done any processing to this port; If this port is not in the VLAN that this static state enables, the GVRP agreement is handled this VLAN, and this port is set to dynamic port and is registered among this static state VLAN.
Be the leave group message incident: just carry out VLAN under the situation of having only attribute to exist and nullify.If the static dynamic port that enables among the VLAN is then nullified according to leave group message and is annotated dynamic port; If dynamic vlan is then nullified this dynamic vlan, this VLAN and port are reduced into state before the GVRP protocol processes.
By implementing the present invention, can realize following beneficial effect: dynamic port is set in VLAN by the GVRP agreement, guarantee the consistency of the VLAN of static VLAN that the user is provided with and GVRP dynamic registration, guarantee static configuration port among the static VLAN and effective differentiation of dynamic registration port simultaneously.
Method of the present invention can be applied to comprise on the switch of GVRP agreement, if the switch in the switching network has started the GVRP agreement, then this moment, the GVRP agreement was handled VLAN in the switch, not only register dynamic vlan, but also the port among static VLAN and the static VLAN is handled.
Having introduced dynamic port among the present invention, below is a data structure example that adds the dynamic port definition among the VLAN:
typedef?struct?taSwVlan
{
Unsigned Valid: 1; / * VLAN whether enable to indicate */
unsigned?VlanId ：12；
unsigned?FId ：12；
unsigned?VlanType ：4；
Unsigned VlanMode: 1; The dynamic static VLAN sign * of/*/
unsigned char AttendPortMask[__SwMaxPortMap]；
/ * untagged port */
Unsigned char TaggedPortMask[__SwMaxPortMap]; / * tag end
Mouth */
Unsigned char ForbidPortMask[__SwMaxPortMap]; / * forbids
Permission port */
Unsigned char DynamicPortMask[__SwMaxPortMap]; / * is dynamic
Port */
}TSwVlan；
After certain port received the GVRP protocol massages on the switch, the GVRP agreement judged the VLAN attribute, judged the state of the identical VLAN that carries in local and the attribute according to Valid, VlanMode sign, handled then.
With reference to Fig. 3, to being described in detail as follows of treatment step:
Step 1: switch ports themselves receives the GVRP message;
Step 2: judge whether the GVRP message is correct, if correct, execution in step 3,
If incorrect, execution in step 22;
Step 3: read the event type in the GVRP message;
Step 4: the decision event type is for adding incoming event;
Step 5:, read the attribute list of storage according to the attribute in the GVRP message;
Step 6: judge whether attribute exists, if attribute exists, execution in step 7 and step
Rapid 9, if attribute does not exist, execution in step 11;
Step 7: this attribute is dynamic vlan or dynamic port;
Step 8: upgrade port attribute information;
Step 9: judge whether port enables among the VLAN in static state, if do not exist, execution in step 10, if port enables among the VLAN in static state, execution in step 22;
Step 10:GVRP port is set to dynamic port, and adds static state to and enable among the VLAN;
Step 11: judge port whether in static disable VLAN, if in static disable VLAN, execution in step 12, if do not exist, execution in step 14;
Step 12: add attribute in the data list of storage;
Step 13:GVRP port is set to dynamic port, and VLAN is set to dynamic vlan;
Step 14: add attribute in the data list of storage;
Step 15:GVRP protocol registration dynamic vlan is created dynamic port;
Step 16: event type is a leave event;
Step 17:, read the attribute list of storage according to the attribute in the GVRP message;
Step 18: judge whether attribute exists, if exist, execution in step 19, if there is no, execution in step 22;
Step 19: judge whether this VLAN and port are dynamic, if dynamic execution in step 20, if not dynamically, execution in step 22;
Step 20: nullify dynamic vlan or dynamic port;
Step 21: upgrade port attribute information;
Step 22: finish.
In networking diagram as Fig. 4, on the switch C VLAN100 is set, port 2 links to each other with port 3 on the switch A; It is what enable that static VLAN 100 is set on the switch A, but do not comprise port 3 among the VLAN, when port 3 receives GVRP protocol massages on the switch C, and the VLAN attribute in this message is VLAN100, for adding incoming event, this VLAN attribute exists on switch A, but port 3 is not in VLAN100, the GVRP agreement is upgraded the tick lables of expression corresponding ports among the DynamicPortMask (dynamic port mask) at this moment, this end is revised as dynamic port, again upgrade this vlan table, add dynamic port in VLAN 100.This moment the user want this port is deleted from VLAN, system will report the user this be dynamic port, can not delete by the user, must nullify by the GVRP agreement.
At switch b VLAN 200 is set, port one 0 links to each other with port 9 on the switch A; It is disable that the user is provided with A in the exchange static VLAN200, but the user adds port 9 among this VLAN to the untagged form, at this moment, the corresponding ports tick lables is provided with by the user among the AttendPortMask (configured port mask), when port 9 receives the GVRP protocol massages, comprise the VLAN200 attribute in this message, and for adding incoming event, the GVRP agreement is put removing with the port 9AttendPortMask corresponding marker bit among the VLAN of original static disable, upgrade DynamicPortMask corresponding ports mark position simultaneously, static disable VLAN200 is set to dynamic vlan 200 on the switch A, and port is the dynamic port among the VLAN 200.This moment is after this port receives the leave group message incident, the GVRP agreement is judged dynamic vlan attribute and dynamic port, dynamic vlan is nullified, dynamic port DynamicPortMask corresponding marker bit is put removing, the corresponding location status of AttendPortMask before recovering.VLAN is returned to state before the GVRP protocol processes.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a port processing method that uses the VLAN of GVRP is characterized in that, may further comprise the steps:
The port of switch reads event type and VLAN attribute list among the described VLAN;
If described event type is for adding incoming event, and there is the VLAN attribute information in the described VLAN attribute list,, described port is provided with then according to VLAN attribute and port attribute;
If described event type is for adding incoming event, and there is not described VLAN attribute information in the described VLAN attribute list,, described VLAN registered dynamic vlan then according to described port attribute, described port is set to dynamic port, and adds in the described dynamic vlan;
If described event type is a leave event,, nullify described port or described VLAN then according to described VLAN attribute and described port attribute;
If described event type is for adding incoming event, and there is not described VLAN attribute information in the described VLAN attribute list, then according to described port attribute, described VLAN is registered dynamic vlan, described port is set to dynamic port, and the step of adding in the described dynamic vlan may further comprise the steps:
Step S136 judges described port whether in static disable VLAN, if, then proceed to step S138, if do not exist, then proceed to step S148;
Step S138 carries out the dynamic vlan registration, described port is arranged to dynamic port from described static disable VLAN, and adds in the dynamic vlan;
Step S148 carries out the dynamic vlan registration, described port directly is set to dynamic port, and adds in the dynamic vlan.
2. port processing method according to claim 1, it is characterized in that,, and have the VLAN attribute information in the described VLAN attribute list if described event type is for adding incoming event, then according to VLAN attribute and port attribute, the step that described port is provided with may further comprise the steps:
Step S106 judges that whether described VLAN or described port are dynamic, if at least one be, then proceed to step S108, if be not, then proceed to step S118;
Step S108 upgrades port attribute information;
Step S118 judges whether described port enables among the VLAN in static state, if, then do not carry out any processing, if do not exist, then proceed to step S120;
Step S120, described port is set to dynamic port, and adds described static state to and enable among the VLAN.
3. port processing method according to claim 1 is characterized in that, if described event type is a leave event, then according to described VLAN attribute and described port attribute, the step of nullifying described port or described VLAN may further comprise the steps:
Step S154 judges whether to exist port attribute information, if exist, then proceeds to step S156, if there is no, does not then carry out any processing;
Step S156, judge described port whether in dynamic vlan or described port whether be dynamic port, if, then proceed to step S158, if not, then do not carry out any processing;
Step S158 nullifies described dynamic vlan, upgrades port attribute information.
4. port processing method according to claim 1, it is characterized in that, described VLAN is for enabling VLAN, and to read out event type from the GVRP message that receives be leave event to the port of switch among the described VLAN, and described port processing method may further comprise the steps:
If there is no described port attribute does not then carry out any processing; If have described port attribute, then
Enable dynamic port among the VLAN if described port is a static state, then nullify described port according to leave group message; If described VLAN is a dynamic vlan, then nullify described VLAN, described VLAN and described port are reduced into the preceding state of GVRP processing.
5. according to each described port processing method in the claim 1 to 4, it is characterized in that, the step that the port of switch reads event type and VLAN attribute list among the described VLAN comprises: described port receives the GVRP message, according to message described VLAN attribute is judged.
6. according to each described port processing method in the claim 1 to 4, it is characterized in that, the step that the port of switch reads event type and VLAN attribute list among the described VLAN comprises: described port receives the GVRP message, judges the state of the identical VLAN that carries in local and the attribute according to significance bit, VLAN mode flags.
7. port processing method according to claim 5 is characterized in that, the port of switch reads in the step of event type and further comprises among the wherein said VLAN: receive after the described GVRP message, judge whether described GVRP message is correct,
If incorrect, then do not carry out any processing, if correct, then read described event type.
8. a port processing method that uses the VLAN of GVRP is characterized in that, the port of switch reads out event type for adding incoming event among the described VLAN from the GVRP message that receives, and described port processing method may further comprise the steps:
If described VLAN is for enabling VLAN, and described VLAN is that dynamic vlan or described port are dynamic ports, then upgrades port attribute; If static state enables VLAN, then
If described port enables among the VLAN in described static state, then GVRP does not carry out any processing to described port; If described port does not enable among the VLAN in described static state, then described VLAN to be handled according to the incoming event that adds in the GVRP message, described port is set to dynamic port, and is registered to described static state and enables among the VLAN,
If described VLAN is disable VLAN, and described port is in described disable VLAN, then add incoming event with described VLAN registration becoming dynamic vlan according to the GVRP message, and described port is processed into dynamic port from original static disable VLAN, and adds in the described dynamic vlan; If described port not in described disable VLAN, then becomes dynamic vlan with described VLAN registration, and directly described port is set to dynamic port, and adds in the described dynamic vlan.
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| CN101252539B (en) * | 2008-04-03 | 2011-08-10 | 杭州华三通信技术有限公司 | General-purpose attribute logging method and node |
| CN101945044B (en) * | 2010-09-09 | 2015-10-21 | 中兴通讯股份有限公司 | For attribute logging method and the switching equipment of switching network |
| CN102143138A (en) * | 2010-09-15 | 2011-08-03 | 华为技术有限公司 | Method and device for configuring virtual local area network (VLAN) in live migration process of virtual machine |
| CN102130912B (en) * | 2011-03-09 | 2013-12-25 | 杭州华三通信技术有限公司 | Rapid ring protection protocol (RRPP)-based multiple virtual local area network (VLAN) register protocol (MVRP) realization method and equipment |
| CN102316000A (en) * | 2011-09-29 | 2012-01-11 | 杭州华三通信技术有限公司 | Method for declaring enabled virtual local area network (VLAN) and equipment thereof |
| US20130177022A1 (en) * | 2012-01-05 | 2013-07-11 | General Electric Company | Dynamic Virtual LANs to Segregate Data |
| CN103384265B (en) * | 2013-05-23 | 2016-04-06 | 上海斐讯数据通信技术有限公司 | The application layer implementation method of GVRP agreement and system |
| CN107360076B (en) * | 2016-05-10 | 2021-06-15 | 中兴通讯股份有限公司 | VLAN (virtual local area network) attribute registration method and device |
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