CN101640681A - Method and devices for modifying domain configuration information of multi-spanning tree domain - Google Patents
Method and devices for modifying domain configuration information of multi-spanning tree domain Download PDFInfo
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- CN101640681A CN101640681A CN200910090686.7A CN200910090686A CN101640681A CN 101640681 A CN101640681 A CN 101640681A CN 200910090686 A CN200910090686 A CN 200910090686A CN 101640681 A CN101640681 A CN 101640681A
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Abstract
The invention provides a method and devices for modifying domain configuration information of a multi-spanning tree domain. The method configures a packet in the MST domain, meanwhile, all the devicesin the MST domain all re-send the newly modified domain configuration information after delaying a period of time, and all the devices all judge the received MSTP packet carrying the new and the olddomain configuration information as the packet in the MST domain after a period of time of modifying the domain configuration information, thereby reducing the occurrence of network topology oscillation and improving the service quality of a network.
Description
Technical field
The present invention relates to a kind of Multiple Spanning Tree Protocol (MSTP, Multiple Spanning Tree Protocol) technical field, be specifically related to the method and apparatus of the territory configuration in a kind of modification multiple spanning tree (MST, Multiple Spanning Tree) territory.
Background technology
MSTP is a kind of novel Spanning-Tree Protocol that defines among the IEEE 802.1s.MSTP introduces the notion in " territory ", and a switching network is divided into a plurality of Multiple Spanning Tree (MST) region (Multiple Spanning Tree Regions).Multiple Spanning Tree (MST) region is made of the multiple devices in the switching network and the network segment between them, has link to be communicated with between these equipment physically.
MSTP can realize the load balancing based on VLAN in the territory, this requires the territory configuration information of each equipment in the territory necessary identical.The territory configuration information comprises the mapping relations of domain name, MSTP revision level, VLAN and spanning-tree instance.As shown in Figure 1, device A and the equipment B in the same Multiple Spanning Tree (MST) region all has following territory configuration information:
Domain name: aaa;
MSTP revision level: 0;
The mapping relations of VLAN and spanning-tree instance:
VLAN 3～VLAN 4094 is mapped to spanning-tree instance 0;
VLAN 1 is mapped to spanning-tree instance 1;
VLAN 2 is mapped to spanning-tree instance 2;
By adjusting the parameter of each spanning-tree instance, can allow spanning-tree instance 1 block at port 4, spanning-tree instance 2 blocks at port 3, can realize the load balancing based on VLAN.
Among Fig. 1, periodically carry the MSTP bridge protocol data unit (BPDU of self territory configuration information between device A and the equipment B alternately, Bridge Protocol Data Unit) message (the following MSTP BPDUs that all abbreviates as), for example, device A is received the MSTP BPDUs that equipment B sends, obtain the territory configuration information of the equipment B that wherein comprises,, judge that then this MSTP BPDUs is the message from same Multiple Spanning Tree (MST) region if the territory configuration information of this territory configuration information and device A self is identical.
In the prior art,, need carry out identical modification to the territory configuration information on each equipment in the territory if want to revise the territory configuration (for example,, domain name is revised as bbb, perhaps increases the mapping of a spanning-tree instance 3 and VLAN 3) of Multiple Spanning Tree (MST) region corresponding to Fig. 1.Behind the territory configuration information of device A among change Fig. 1, in the MSTP BPDUs that device A periodically sends with the amended territory of the device A of carrying configuration information, after equipment B receives this MSTP BPDUs, the territory configuration information that can judge device A is different with self territory configuration information, thereby think that this MSTP BPDUs is from overseas message, device A is for being overseas equipment, and then the port role and the port status that cause equipment change, and network topology is vibrated.After this, revise the territory configuration information of equipment B after, equipment B will think again that device A is the equipment territory in, so network topology can vibrate again, finally return to the territory configuration information and revise preceding topological state.
As can be seen, the method for the modification territory of prior art configuration will cause network topology to be vibrated, and then the business that may cause moving interrupts, and badly influences the service quality of network.
Summary of the invention
Technical problem to be solved by this invention provides a kind of method and apparatus of revising the territory configuration information of Multiple Spanning Tree (MST) region, revises the network topology vibration that causes in order to reduce the territory configuration information.
For solving the problems of the technologies described above, it is as follows to the invention provides scheme:
A kind of method of revising the territory configuration information of multiple spanning tree Multiple Spanning Tree (MST) region comprises:
Second equipment in the Multiple Spanning Tree (MST) region receives the territory configuration message of first device broadcasts, and described territory configuration message comprises the first territory configuration information and the second territory configuration information that described first apparatus modifications is forward and backward;
Described second equipment is after receiving described territory configuration message, when self territory configuration information is identical with the described first territory configuration information, self territory configuration information is revised as the described second territory configuration information, and at self territory configuration information in the amended predetermined very first time, in the Multiple Spanning Tree Protocol MSTP BPDUs that this equipment sends, carry the described first territory configuration information, and, after the described very first time, in the MSTP BPDUs that this equipment sends, carry the described second territory configuration information; And, in amended predetermined second time,, all be judged as the message in the described Multiple Spanning Tree (MST) region for the MSTP BPDUs that carries the described first territory configuration information or the second territory configuration information that receives at self territory configuration information.
Preferably, in the said method, whether described second equipment is at self territory configuration information after amended described second time, identical with self territory configuration information according to the entrained territory configuration information of the MSTP BPDUs that receives, and judges that whether the MSTP BPDUs that receives is the message in the described Multiple Spanning Tree (MST) region.
Preferably, in the said method, also comprise:
Described second equipment abandons described territory configuration message and process ends when self territory configuration information and the described first territory configuration information are inequality.
Preferably, in the said method, described first equipment is at self territory configuration information in the amended described very first time, in the MSTP BPDUs that this equipment sends, carry the described first territory configuration information, and after the described very first time, in the MSTP BPDUs that this equipment sends, carry the described second territory configuration information; And, in amended described second time,, all be judged as the message in the described Multiple Spanning Tree (MST) region for the MSTP BPDUs that carries the described first territory configuration information or the second territory configuration information that receives at self territory configuration information; At self territory configuration information after amended described second time, whether identical according to the entrained territory configuration information of the MSTP BPDUs that receives with self territory configuration information, judge that whether the MSTP BPDUs that receives is the message in the described Multiple Spanning Tree (MST) region.
Preferably, in the said method, all dispose predetermined VLAN on each equipment in the described Multiple Spanning Tree (MST) region, described second equipment further receives the described territory configuration message that described first equipment is broadcasted in described predetermined VLAN.
Preferably, in the said method, the described very first time, described second time was more than or equal to described peaked three times more than or equal to the maximum of the message transmissions time delay between any two equipment in the described Multiple Spanning Tree (MST) region.
Preferably, in the said method, also comprise the timing information of the described very first time of indication and second time in the configuration message of described territory, described second equipment is determined the described very first time and second time further according to described timing information.
The present invention also provides the equipment in a kind of multiple spanning tree Multiple Spanning Tree (MST) region, comprising: territory configuration message receiving element, configuration modification unit, first territory, MSTP BPDUs send processing unit and MSTP BPDUs receives processing unit; Wherein,
Described territory configuration message receiving element is used to receive the first territory configuration message that the miscellaneous equipment in the Multiple Spanning Tree (MST) region is broadcasted, and the described first territory configuration message comprises the forward and backward first territory configuration information and the second territory configuration information of described miscellaneous equipment territory configuration information modification; And when the territory of this equipment configuration information is identical with the described first territory configuration information in the described first territory configuration message, trigger configuration modification unit, described first territory;
Configuration modification unit, described first territory is used for self territory configuration information is revised as the described second territory configuration information;
MSTP BPDUs sends processing unit, be used at this Device Domain configuration information in the amended predetermined very first time, in the Multiple Spanning Tree Protocol MSTP BPDUs that this equipment sends, carry the described first territory configuration information, and, after the described very first time, in the MSTP BPDUs that this equipment sends, carry the described second territory configuration information;
MSTP BPDUs receives processing unit, is used in amended predetermined second time, for the MSTP BPDUs that carries the described first territory configuration information or the second territory configuration information that receives, all being judged as the message in the described Multiple Spanning Tree (MST) region at this Device Domain configuration information.
Preferably, in the said equipment, described MSTP BPDUs receives processing unit, also be used at this Device Domain configuration information after amended described second time, whether identical according to the entrained territory configuration information of the MSTP BPDUs that receives with self territory configuration information, judge that whether the MSTP BPDUs that receives is the message in the described Multiple Spanning Tree (MST) region.
Preferably, in the said equipment, described territory configuration message receiving element also is used for abandoning described territory configuration message when the described first territory configuration information of the territory of this equipment configuration information and the described first territory configuration message is inequality.
Preferably, in the said equipment, the described very first time, described second time was more than or equal to described peaked three times more than or equal to the maximum of the message transmissions time delay between any two equipment in the described Multiple Spanning Tree (MST) region.
Preferably, in the said equipment, also comprise:
Configuration modification unit, second territory is used to receive the 3rd territory configuration information of user's input, and self territory configuration information is revised as described the 3rd territory configuration information;
Territory configuration message transmitting element, the miscellaneous equipment that is used in described Multiple Spanning Tree (MST) region is broadcasted the second territory configuration message, and the described second territory configuration message comprises described the current field configuration information and described the 3rd territory configuration information that this apparatus modifications is forward and backward.
The present invention also provides the equipment in the another kind of multiple spanning tree Multiple Spanning Tree (MST) region, comprising:
Territory configuration message transmitting element is used for the miscellaneous equipment broadcast domain configuration message in described Multiple Spanning Tree (MST) region, and described territory configuration message comprises the first territory configuration information and the second territory configuration information that this apparatus modifications is forward and backward;
Configuration modification unit, territory is used for revising self territory configuration information according to the described second territory configuration information;
MSTP BPDUs sends processing unit, be used at this Device Domain configuration information in the amended predetermined very first time, in the Multiple Spanning Tree Protocol MSTP BPDUs that this equipment sends, carry the described first territory configuration information, and, after the described very first time, in the MSTP BPDUs that this equipment sends, carry the described second territory configuration information;
MSTP BPDUs receives processing unit, is used in amended predetermined second time, for the MSTP BPDUs that carries the described first territory configuration information or the second territory configuration information that receives, all being judged as the message in the described Multiple Spanning Tree (MST) region at this Device Domain configuration information; And at this Device Domain configuration information after amended described second time, whether identical according to the entrained territory configuration information of the MSTP BPDUs that receives with self territory configuration information, judge that whether the MSTP BPDUs that receives is the message in the described Multiple Spanning Tree (MST) region.
From the above as can be seen, the method and apparatus of the territory configuration information of the modification Multiple Spanning Tree (MST) region that the embodiment of the invention provides, second equipment is behind self territory configuration modification in the embodiment of the invention, send the territory configuration message by broadcast mode, make the miscellaneous equipment in the same Multiple Spanning Tree (MST) region can know territory configuration modification information as early as possible, and then revise self territory configuration.And, each equipment in the Multiple Spanning Tree (MST) region is revised as self territory configuration in very first time behind the second territory configuration information by first configuration information, still send the MSTP BPDUs that carries the first territory configuration information, and in second time behind self territory configuration modification, all be judged as message in this Multiple Spanning Tree (MST) region for the MSTP BPDUs that carries first, second territory configuration information that receives, thereby reduced the change of the device port role/state that causes because of the territory configuration information is inconsistent, reduced the generation of network topology vibration.The embodiment of the invention can reduce the interruption that business took place that is moving when revising the configuration of existing network Multiple Spanning Tree (MST) region, thereby improves the service quality of network.
Description of drawings
Fig. 1 is the equipment connection diagram in the Multiple Spanning Tree (MST) region of prior art;
Fig. 2 is that the described method of the embodiment of the invention is applied in the schematic flow sheet on first equipment;
Fig. 3 is that the described method of the embodiment of the invention is applied in the schematic flow sheet on second equipment;
Fig. 4 is the schematic diagram of message transmissions time-delay in the embodiment of the invention;
The structural representation of the equipment in a kind of Multiple Spanning Tree (MST) region that Fig. 5 provides for the embodiment of the invention;
The structural representation of the equipment in the another kind of Multiple Spanning Tree (MST) region that Fig. 6 provides for the embodiment of the invention;
The schematic flow sheet of the method for the territory configuration information of the modification Multiple Spanning Tree (MST) region that Fig. 7 provides for another embodiment of the present invention.
Embodiment
The invention provides a kind of method and apparatus of revising the territory configuration information of Multiple Spanning Tree (MST) region, at the territory configuration information in amended a period of time, equipment is for the MSTP BPDUs of new, the old territory of carrying of receiving configuration information, think that all this MSTP BPDUs is a message in the territory, thereby reduced the territory configuration information and revised the network topology vibration that causes, and then reduce the business that has influence on because of topology surge, improve the service quality of network.Below with reference to accompanying drawing, the present invention is described further by specific embodiment.
＜embodiment 1 〉
Present embodiment illustrates the present invention by the concrete action of two equipment in the Multiple Spanning Tree (MST) region.Wherein, first equipment is the equipment that the territory configuration information is revised of initiatively initiating, and second equipment is the territory configuration message of response first equipment, carries out arbitrary equipment that the territory configuration information is revised.
Please refer to Fig. 2, the method for the territory configuration information of the described modification Multiple Spanning Tree (MST) region of present embodiment when being applied on first equipment, comprising:
Step 21 when the user revises the territory configuration at needs, for example, need be revised as the second territory configuration information by the first current territory configuration information with the territory configuration information, will import the second territory configuration information to first equipment.First equipment is carried out following action behind territory, second territory configuration information that receives user's input:
One,, revises the territory configuration information of self according to the described second territory configuration information.Here, by the first original territory configuration information, revise becomes the second territory configuration information to first equipment with self territory configuration information.For example, the domain name in self territory configuration information is revised as " bbb " by " aaa ", perhaps, in self territory configuration information, increases mapping relations between a spanning-tree instance and the VLAN etc.
Two, the miscellaneous equipment broadcast domain configuration message in described Multiple Spanning Tree (MST) region, described territory configuration message comprise the first territory configuration information and the amended second territory configuration information before the described first Device Domain configuration information is revised.Here, described territory configuration message is the self-defining a kind of data message of present embodiment.
The above-mentioned action one and the mandatory requirement that there is no execution sequence between two that moves.First equipment can be revised self territory configuration information according to the second territory configuration information again after sending described territory configuration message; Also can after according to the second territory configuration information modification self territory configuration information, send described territory configuration message again.
The described territory of broadcasting configuration message in the above-mentioned action one can be broadcasted by hardware mode during specific implementation, also can broadcast by the mode of software forwarded hop-by-hop.
For example, when hardware mode is broadcasted, all pre-configured predetermined VLAN on each equipment in the described Multiple Spanning Tree (MST) region, described first equipment sends described territory configuration message by two layers of (data link layer) broadcast mode in described predetermined VLAN, thereby the miscellaneous equipment in the described MSY territory can both receive described territory configuration message.
Soft cast is meant, receive arbitrary equipment of described territory configuration message, report CPU to handle described territory configuration message, whether the first territory configuration information in the configuration message of more described territory is identical with the territory configuration information of self: if then transmit described territory configuration message by self other port except that the receiving port of described territory configuration message; Otherwise, abandon described territory configuration message.
Please refer to Fig. 3, the method for the territory configuration information of the described modification Multiple Spanning Tree (MST) region of present embodiment when being applied on second equipment, comprising:
Second equipment in the step 31, Multiple Spanning Tree (MST) region receives the territory configuration message of first device broadcasts, and described territory configuration message comprises the first territory configuration information and the second territory configuration information that the territory configuration modification of described first equipment is forward and backward.
Concrete steps when the method that the territory configuration of the described modification Multiple Spanning Tree (MST) region of present embodiment more than has been described is applied on first, second equipment.
From above-mentioned flow process as can be seen, in the present embodiment, equipment is at self territory configuration information in the amended very first time, and what carry in the MSTP BPDUs that is sent is territory configuration information (the first territory configuration information) before revising, but not amended territory configuration information (the second territory configuration information).The purpose of this processing mode is: receive this MSTP BPDUs, the miscellaneous equipment of unmodified self territory configuration information still, can not judge that this MSTP BPDUs is overseas message, thereby avoid causing that the port role of equipment and port status change, reduce the generation of network topology vibration.And according to the relevant criterion of MSTP, should carry the current territory configuration information of equipment in the MSTP BPDUs, for this reason, present embodiment is after the described very first time, according to existing standard, normally send MSTP BPDUs, promptly in MSTP BPDUs, carry the current field configuration information (i.e. the second territory configuration information) of equipment.
The concrete numerical value of the above-mentioned very first time is provided with according to the scale (as number of devices) of described Multiple Spanning Tree (MST) region.Preferable, the described very first time is more than or equal to the maximum of the message transmissions time delay between any two equipment in the described Multiple Spanning Tree (MST) region.This maximum can be measured acquisition by described Multiple Spanning Tree (MST) region being carried out propagation delay time.Certainly, the described very first time also can be less than this maximum, this moment, present embodiment can reduce to a certain extent that equipment receives the possibility of territory configuration information and the inconsistent MSTP BPDUs of self territory configuration information in the territory in, and then reduced the generation that network topology is vibrated to a certain extent.
In the present embodiment, equipment is at self territory configuration information in amended second time, for the MSTP BPDUs that carries the described first territory configuration information or the second territory configuration information that receives, all be judged as the message in the described Multiple Spanning Tree (MST) region, after described second time,,, judge whether the MSTP BPDUs that receives is the interior message of described Multiple Spanning Tree (MST) region according to the territory configuration information of self according to the judgment mode of prior art.The purpose of this processing mode is: the equipment that may have still unmodified self territory configuration information in the described Multiple Spanning Tree (MST) region, also may there be the equipment of having revised self territory configuration information simultaneously according to described territory configuration message, therefore, certain equipment in the described Multiple Spanning Tree (MST) region may receive and carry the described first territory configuration information MSTP BPDUs, also might receive and carry the described second territory configuration information MSTP BPDUs, vibrate for fear of network topology, all should be judged as message described Multiple Spanning Tree (MST) region in for these two kinds of MSTP BPDUs this moment.
Fig. 5 shows a kind of method of second time of how determining.Be that example describes with a kind of extreme case among Fig. 5, and do not consider the processing delay of equipment.Suppose that the above-mentioned very first time gets the maximum (representing this maximum with " T " among Fig. 5) of the message transmissions time delay between any two equipment in the described Multiple Spanning Tree (MST) region, and suppose that the message transfer time between first, second equipment equals this maximum of T.The territory configuration message that first equipment sends arrives second equipment needs the T time, and second equipment will continue to send the MSTP BPDUs of T time after modification self territory configuration, and this MSTP BPDUs carries the first territory configuration information; This MSTP BPDUs reaches first equipment also needs the T time, and therefore, first equipment need be in the time of 3T at least behind self territory configuration modification, and the MSTP BPDUs that carries the first territory configuration information or the second territory configuration information for receiving all is judged as message in the territory.That is, in the present embodiment, preferably, described second time can be set to peaked three times more than or equal to the message transmissions time delay between any two equipment in the described Multiple Spanning Tree (MST) region.Certainly, even described second time is less than these peaked three times, present embodiment is still received the possibility of territory configuration information and the inconsistent MSTP BPDUs of self territory configuration information to a certain extent between the minimizing equipment, thereby also can reduce the generation of network topology vibration to a certain extent.
In the present embodiment, the concrete numerical value of the described very first time and second time can be pre-configured on each interior equipment of described Multiple Spanning Tree (MST) region; Can also be in the described territory configuration message that first equipment sends, to comprise the timing information that also comprises the described very first time of indication and second time, thereby each receives the equipment of described territory configuration message, can determine the described very first time and second time according to the timing information in the configuration message of described territory.During specific implementation, each equipment can also be provided with a timer, after modification self territory configuration information, starts timer and begins described first, second time is carried out timing, and handle accordingly according to clocking value.
From the above as can be seen, second equipment sends the territory configuration message by broadcast mode in the present embodiment behind self territory configuration modification, makes that the miscellaneous equipment in the same Multiple Spanning Tree (MST) region can be known territory configuration modification information as early as possible, and then revises self territory configuration.And, each equipment in the Multiple Spanning Tree (MST) region is revised as self territory configuration in very first time behind the second territory configuration information by first configuration information, still send the MSTP BPDUs that carries the first territory configuration information, and in second time behind self territory configuration modification, all be judged as message in this Multiple Spanning Tree (MST) region for the MSTP BPDUs that carries first, second territory configuration information that receives, thereby reduced the change of the device port role/state that causes because of the territory configuration information is inconsistent, reduced the generation of network topology vibration.Present embodiment can reduce the interruption that business took place that is moving when revising the configuration of existing network Multiple Spanning Tree (MST) region, thereby improves the service quality of network.
Based on the method for the territory configuration information of above-mentioned modification Multiple Spanning Tree (MST) region, present embodiment also correspondingly provides the equipment in a kind of Multiple Spanning Tree (MST) region.As shown in Figure 5, this equipment comprises: territory configuration message receiving element, configuration modification unit, first territory, MSTP BPDUs send processing unit and MSTP BPDUs receives processing unit; Wherein,
Described territory configuration message receiving element is used to receive the first territory configuration message that the miscellaneous equipment in the Multiple Spanning Tree (MST) region is broadcasted, and the described first territory configuration message comprises the forward and backward first territory configuration information and the second territory configuration information of described miscellaneous equipment territory configuration information modification; And when the territory of this equipment configuration information is identical with the described first territory configuration information in the described first territory configuration message, trigger configuration modification unit, described first territory;
Configuration modification unit, described first territory is used for self territory configuration information is revised as the described second territory configuration information;
Described MSTP BPDUs sends processing unit, be used at this Device Domain configuration information in the amended predetermined very first time, in the Multiple Spanning Tree Protocol MSTP BPDUs that this equipment sends, carry the described first territory configuration information, and, after the described very first time, in the MSTP BPDUs that this equipment sends, carry the described second territory configuration information;
Described MSTP BPDUs receives processing unit, be used at this Device Domain configuration information in amended predetermined second time, for the MSTP BPDUs that carries the described first territory configuration information or the second territory configuration information that receives, all be judged as the message in the described Multiple Spanning Tree (MST) region.
Preferably, above-mentioned MSTP BPDUs receives processing unit, also be used at this Device Domain configuration information after amended described second time, whether identical according to the entrained territory configuration information of the MSTP BPDUs that receives with self territory configuration information, judge that whether the MSTP BPDUs that receives is the message in the described Multiple Spanning Tree (MST) region.
Preferably, above-mentioned territory configuration message receiving element also is used for abandoning described territory configuration message when the described first territory configuration information of the territory of this equipment configuration information and the described first territory configuration message is inequality.
Preferably, the above-mentioned very first time, above-mentioned second time was more than or equal to peaked three times of the message transmissions time delay between any two equipment in the described Multiple Spanning Tree (MST) region more than or equal to the maximum of the message transmissions time delay between any two equipment in the described Multiple Spanning Tree (MST) region.
In addition, equipment shown in Figure 5 can also receive the 3rd territory configuration information of user input, self territory configuration is made amendment, then the miscellaneous equipment broadcast related information in Multiple Spanning Tree (MST) region.At this moment, equipment shown in Figure 5 can also comprise:
Configuration modification unit, second territory is used to receive the 3rd territory configuration information of user's input, and self territory configuration information is revised as described the 3rd territory configuration information;
Territory configuration message transmitting element, the miscellaneous equipment that is used in described Multiple Spanning Tree (MST) region is broadcasted the second territory configuration message, and the described second territory configuration message comprises described the current field configuration information and described the 3rd territory configuration information that this apparatus modifications is forward and backward.
At last, present embodiment also provides the equipment in the another kind of Multiple Spanning Tree (MST) region, and this equipment will be broadcasted corresponding territory configuration message in Multiple Spanning Tree (MST) region after self territory configuration information is revised.As shown in Figure 6, this equipment comprises:
Territory configuration message transmitting element is used for the miscellaneous equipment broadcast domain configuration message in described Multiple Spanning Tree (MST) region, and described territory configuration message comprises the first territory configuration information and the second territory configuration information that this apparatus modifications is forward and backward;
Configuration modification unit, territory is used for revising self territory configuration information according to the described second territory configuration information;
MSTP BPDUs sends processing unit, be used at this Device Domain configuration information in the amended predetermined very first time, in the Multiple Spanning Tree Protocol MSTP BPDUs that this equipment sends, carry the described first territory configuration information, and, after the described very first time, in the MSTP BPDUs that this equipment sends, carry the described second territory configuration information;
MSTP BPDUs receives processing unit, is used in amended predetermined second time, for the MSTP BPDUs that carries the described first territory configuration information or the second territory configuration information that receives, all being judged as the message in the described Multiple Spanning Tree (MST) region at this Device Domain configuration information; And at this Device Domain configuration information after amended described second time, whether identical according to the entrained territory configuration information of the MSTP BPDUs that receives with self territory configuration information, judge that whether the MSTP BPDUs that receives is the message in the described Multiple Spanning Tree (MST) region.
＜embodiment 2
Present embodiment provides the method for the territory configuration information of another kind of modification Multiple Spanning Tree (MST) region, as shown in Figure 7, may further comprise the steps:
Present embodiment is in the process of revising the territory configuration information, and the MSTP BPDUs of receiving on the inner port of territory can not cause the network topology vibration, thereby improves the service quality of network.
In sum, present embodiment can reduce the change that changes the device port role/state that causes because of the territory configuration information, reduces the vibration of network topology, improves the service quality of network.
The above only is embodiments of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (13)
1. a method of revising the territory configuration information of multiple spanning tree Multiple Spanning Tree (MST) region is characterized in that, comprising:
Second equipment in the Multiple Spanning Tree (MST) region receives the territory configuration message of first device broadcasts, and described territory configuration message comprises the first territory configuration information and the second territory configuration information that described first apparatus modifications is forward and backward;
Described second equipment is after receiving described territory configuration message, when self territory configuration information is identical with the described first territory configuration information, self territory configuration information is revised as the described second territory configuration information, and at self territory configuration information in the amended predetermined very first time, in the Multiple Spanning Tree Protocol MSTP BPDUs that this equipment sends, carry the described first territory configuration information, and, after the described very first time, in the MSTP BPDUs that this equipment sends, carry the described second territory configuration information; And, in amended predetermined second time,, all be judged as the message in the described Multiple Spanning Tree (MST) region for the MSTP BPDUs that carries the described first territory configuration information or the second territory configuration information that receives at self territory configuration information.
2. the method for claim 1, it is characterized in that, described second equipment is at self territory configuration information after amended described second time, whether identical according to the entrained territory configuration information of the MSTP BPDUs that receives with self territory configuration information, judge that whether the MSTP BPDUs that receives is the message in the described Multiple Spanning Tree (MST) region.
3. method as claimed in claim 1 or 2 is characterized in that, also comprises:
Described second equipment abandons described territory configuration message and process ends when self territory configuration information and the described first territory configuration information are inequality.
4. method as claimed in claim 1 or 2 is characterized in that,
Described first equipment is at self territory configuration information in the amended described very first time, in the MSTP BPDUs that this equipment sends, carry the described first territory configuration information, and after the described very first time, in the MSTP BPDUs that this equipment sends, carry the described second territory configuration information; And, in amended described second time,, all be judged as the message in the described Multiple Spanning Tree (MST) region for the MSTP BPDUs that carries the described first territory configuration information or the second territory configuration information that receives at self territory configuration information; At self territory configuration information after amended described second time, whether identical according to the entrained territory configuration information of the MSTP BPDUs that receives with self territory configuration information, judge that whether the MSTP BPDUs that receives is the message in the described Multiple Spanning Tree (MST) region.
5. the method for claim 1 is characterized in that, all disposes predetermined VLAN on each equipment in the described Multiple Spanning Tree (MST) region, and described second equipment further receives the described territory configuration message that described first equipment is broadcasted in described predetermined VLAN.
6. method as claimed in claim 1 or 2 is characterized in that, the described very first time, described second time was more than or equal to described peaked three times more than or equal to the maximum of the message transmissions time delay between any two equipment in the described Multiple Spanning Tree (MST) region.
7. method as claimed in claim 6 is characterized in that, also comprises the timing information of the described very first time of indication and second time in the configuration message of described territory, and described second equipment is determined the described very first time and second time further according to described timing information.
8. the equipment in the multiple spanning tree Multiple Spanning Tree (MST) region is characterized in that, comprising: territory configuration message receiving element, configuration modification unit, first territory, MSTP BPDUs send processing unit and MSTP BPDUs receives processing unit; Wherein,
Described territory configuration message receiving element is used to receive the first territory configuration message that the miscellaneous equipment in the Multiple Spanning Tree (MST) region is broadcasted, and the described first territory configuration message comprises the forward and backward first territory configuration information and the second territory configuration information of described miscellaneous equipment territory configuration information modification; And when the territory of this equipment configuration information is identical with the described first territory configuration information in the described first territory configuration message, trigger configuration modification unit, described first territory;
Configuration modification unit, described first territory is used for self territory configuration information is revised as the described second territory configuration information;
MSTP BPDUs sends processing unit, be used at this Device Domain configuration information in the amended predetermined very first time, in the Multiple Spanning Tree Protocol MSTP BPDUs that this equipment sends, carry the described first territory configuration information, and, after the described very first time, in the MSTP BPDUs that this equipment sends, carry the described second territory configuration information;
MSTP BPDUs receives processing unit, is used in amended predetermined second time, for the MSTP BPDUs that carries the described first territory configuration information or the second territory configuration information that receives, all being judged as the message in the described Multiple Spanning Tree (MST) region at this Device Domain configuration information.
9. equipment as claimed in claim 8 is characterized in that,
Described MSTP BPDUs receives processing unit, also be used at this Device Domain configuration information after amended described second time, whether identical according to the entrained territory configuration information of the MSTP BPDUs that receives with self territory configuration information, judge that whether the MSTP BPDUs that receives is the message in the described Multiple Spanning Tree (MST) region.
10. equipment as claimed in claim 8 or 9 is characterized in that,
Described territory configuration message receiving element also is used for abandoning described territory configuration message when the described first territory configuration information of the territory of this equipment configuration information and the described first territory configuration message is inequality.
11. equipment is characterized in that as claimed in claim 8 or 9, the described very first time, described second time was more than or equal to described peaked three times more than or equal to the maximum of the message transmissions time delay between any two equipment in the described Multiple Spanning Tree (MST) region.
12. equipment as claimed in claim 8 is characterized in that, also comprises:
Configuration modification unit, second territory is used to receive the 3rd territory configuration information of user's input, and self territory configuration information is revised as described the 3rd territory configuration information;
Territory configuration message transmitting element, the miscellaneous equipment that is used in described Multiple Spanning Tree (MST) region is broadcasted the second territory configuration message, and the described second territory configuration message comprises described the current field configuration information and described the 3rd territory configuration information that this apparatus modifications is forward and backward.
13. the equipment in the multiple spanning tree Multiple Spanning Tree (MST) region is characterized in that, comprising:
Territory configuration message transmitting element is used for the miscellaneous equipment broadcast domain configuration message in described Multiple Spanning Tree (MST) region, and described territory configuration message comprises the first territory configuration information and the second territory configuration information that this apparatus modifications is forward and backward;
Configuration modification unit, territory is used for revising self territory configuration information according to the described second territory configuration information;
MSTP BPDUs sends processing unit, be used at this Device Domain configuration information in the amended predetermined very first time, in the Multiple Spanning Tree Protocol MSTP BPDUs that this equipment sends, carry the described first territory configuration information, and, after the described very first time, in the MSTP BPDUs that this equipment sends, carry the described second territory configuration information;
MSTP BPDUs receives processing unit, is used in amended predetermined second time, for the MSTP BPDUs that carries the described first territory configuration information or the second territory configuration information that receives, all being judged as the message in the described Multiple Spanning Tree (MST) region at this Device Domain configuration information; And at this Device Domain configuration information after amended described second time, whether identical according to the entrained territory configuration information of the MSTP BPDUs that receives with self territory configuration information, judge that whether the MSTP BPDUs that receives is the message in the described Multiple Spanning Tree (MST) region.
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