CN103780468B - Method, intelligent terminal and the route-bridge of intelligent terminal access TRILL network - Google Patents

Method, intelligent terminal and the route-bridge of intelligent terminal access TRILL network Download PDF

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Publication number
CN103780468B
CN103780468B CN201210404741.7A CN201210404741A CN103780468B CN 103780468 B CN103780468 B CN 103780468B CN 201210404741 A CN201210404741 A CN 201210404741A CN 103780468 B CN103780468 B CN 103780468B
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Prior art keywords
bridge
message
trill
route
intelligent terminal
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CN103780468A (en
Inventor
胡方伟
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ZTE Corp
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ZTE Corp
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Priority to CN201210404741.7A priority Critical patent/CN103780468B/en
Priority to PCT/CN2013/085686 priority patent/WO2014063612A1/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46Interconnection of networks
    • H04L12/4633Interconnection of networks using encapsulation techniques, e.g. tunneling

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Small-Scale Networks (AREA)

Abstract

The invention discloses a kind of methods of intelligent terminal access multi-link transparent interconnection network, comprising: intelligent terminal treats the ARP message of sending or other data messages carry out multi-link transparent interconnection TRILL encapsulation, and is sent to route-bridge.The present invention discloses a kind of intelligent terminals, route-bridge.Technical solution of the present invention can make route-bridge get the intelligent terminal ability information of access as early as possible, and the nickname value of route-bridge itself is distributed to intelligent terminal, mitigate the burden of TRILL network border routing bridge.

Description

Method, intelligent terminal and the route-bridge of intelligent terminal access TRILL network
Technical field
The present invention relates to multi-link transparent interconnection (TRILL, Transparent Interconnection over Lots Of Link) method of intelligent terminal access technology more particularly to a kind of intelligent terminal access TRILL network, intelligence is eventually in network End and route-bridge.
Background technique
Multi-link transparent interconnection (TRILL, Transparent Interconnection over Lots of Link) association View is articulamentum (L2) net that Internet Engineering Task group (IETF, Internet Engineering Task Force) recommends Network standard, for solving the deficiency of Spanning-Tree Protocol in large-scale data center (STP, Spanning Tree protocol).? In L2 network, STP avoids loop by obstruction redundant link, but the waste for also resulting in redundant link bandwidth simultaneously (is hindered Plug).TRILL is by by Intermediate System-to-Intermediate System (IS-IS, Intermediate System to Intermediate System) Routing Protocol introduces L2 network, solves L2 loop problem, while remaining L2 multipath (or for multichannel of equal value Diameter (ECMP, Equivalent Cost Multiple Path)) feature.
TRILL protocol introduces new NameSpace, referred to as nickname, and the length is 16bits, is encapsulated in TRILL report In literary head, for being located in the middle transmission route bridge, only need to search nickname table according to purpose nickname be can be realized The forwarding of data.It is special since the length of nickname only has 16bits at the beginning of design, and with the continuous expansion of data center It is not the proposition with cloud computation data center, the length of nickname may become later bottleneck.In addition, for being located at The route-bridge on boundary, need to save user the media access control address (MAC, Media Access Control) and The mapping relations of nickname, when network size is very big, the data volume of the list item mapping relations can be bigger, therefore, industry A kind of method that nickname is assigned to terminal is proposed, the mapping item of part is saved by terminal, and packaged by terminal The nickname value that nickname value uses for the route-bridge of its attachment, can greatly save the space of nickname in this way, And the scale of the mapping table of border routing bridge can be reduced, this terminal that can carry out TRILL encapsulation is known as intelligence eventually End.Route-bridge for being located at boundary then keeps the TRILL of the message to seal if it find that there is message to be sent to intelligent terminal Dress, does not need to be decapsulated, and does not need to carry out user's MAC address study, this can be reduced the mapping table of border routing bridge yet Scale.
In intelligent terminal starting, needs to notice it in a network for intelligent terminal, TRILL message encapsulation can be carried out, The nickname value that itself is used can be distributed to the intelligent terminal after receiving notice by boundary bridges, but such as terminal What, which is noticed, itself is how intelligent terminal and boundary bridges respond and the nickname value of itself is distributed to the intelligence eventually End, industry there are no specific technical solutions can be for reference.
Summary of the invention
In view of this, the main purpose of the present invention is to provide method, the intelligence of a kind of intelligent terminal access TRILL network Terminal and route-bridge can make route-bridge get the intelligent terminal ability information of access as early as possible, and by itself Nickname value distributes to intelligent terminal, mitigates the burden of TRILL network.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of method of intelligent terminal access multi-link transparent interconnection network, comprising:
Intelligent terminal treats the ARP message of sending or data message carries out multi-link transparent interconnection TRILL encapsulation, and it is sent to route-bridge.
Preferably, the purpose nickname and source nickname of the TRILL heading are 0, outer layer ether net head Purpose MAC address is broadcast address, and source MAC is the MAC Address of the intelligent terminal.
Preferably, the method also includes:
The route-bridge is parsed after receiving the TRILL message, determines that the TRILL message carries out When TRILL is encapsulated, determine that sending the terminal of the TRILL message is intelligent terminal.
Preferably, the method also includes:
The route-bridge enables ARP proxy function, and when having obtained the IP address of local three layers of IP interface, generates back The response message of the multiple ARP message or data message, and the intelligence is sent to after carrying out TRILL encapsulation to the response message It can terminal.
Preferably, the purpose nickname and source nickname of ARP message or the TRILL heading of data message response are equal For the nickname value of the route-bridge, outer layer Ethernet head target MAC (Media Access Control) address is the MAC Address of the intelligent terminal, source MAC Address is the MAC Address of the route-bridge.
Preferably, the method also includes:
When the route-bridge is not enabled on ARP proxy function, to after parsing ARP message or data message re-start TRILL encapsulation, and it is sent to the TRILL network.
Preferably, the purpose nickname of the TRILL heading of the ARP message or data message that Reseal is the road By the nickname value of the root route-bridge of bridge topological structure, source nickname is the nickname of the route-bridge;Outside The target MAC (Media Access Control) address of layer ether net head is broadcast address, and source MAC is the MAC Address of the route-bridge.
Preferably, the method also includes:
Border routing bridge is solved after receiving the TRILL message of the ARP message or data message Resealed Encapsulation, and by the ARP message or data message forwarding of decapsulation to gateway router;
Gateway router generates response message after receiving the ARP message or data message and is sent to the boundary road By bridge;The border routing bridge carries out TRILL encapsulation to received response message and is sent to the route-bridge;
The route-bridge re-starts TRILL encapsulation to received response message, wherein the response Resealed The purpose nickname and source nickname of the TRILL heading of message are the nickname value of the route-bridge, outer layer Ethernet head target MAC (Media Access Control) address is the MAC Address of the intelligent terminal, and source MAC is the MAC Address of the route-bridge.
Preferably, the method also includes:
After the intelligent terminal receives the response message of TRILL encapsulation, by the purpose of the TRILL heading of response message Nickname distributes to the nickname value of the intelligent terminal as route-bridge.
Preferably, the method also includes:
After the intelligent terminal receives the response message of TRILL encapsulation, the road is obtained by decapsulating response message By the MAC Address of gateway.
A kind of intelligent terminal, including encapsulation unit and transmission unit, in which:
Encapsulation unit, it is transparent mutually that ARP message or data message for treating sending carry out multi-link Even TRILL encapsulation;
Transmission unit, for the TRILL message after encapsulation to be sent to route-bridge.
Preferably, the TRILL heading purpose nickname and source nickname are encapsulated as by the encapsulation unit 0, the purpose MAC address of outer layer ether net head is encapsulated as broadcast address, source MAC is encapsulated as described The MAC Address of intelligent terminal.
Preferably, the intelligent terminal further includes the first receiving unit and allocation unit, in which:
First receiving unit, for receiving the ARP message response or data message response of TRILL encapsulation;
Allocation unit, for distributing the purpose nickname of ARP message or the TRILL heading of the response of data message To the intelligent terminal, the nickname value of the route-bridge as the intelligent terminal.
Preferably, the intelligent terminal further includes the second receiving unit and decapsulation unit, in which:
First receiving unit, for receiving the arp response message of TRILL encapsulation;
Decapsulation unit obtains the MAC Address of the routing gateway for decapsulating arp response message.
A kind of route-bridge, including receiving unit, resolution unit and judging unit, in which:
Receiving unit, for receiving the TRILL message of intelligent terminal transmission;
Resolution unit, for being parsed to the received TRILL message of institute;
Judging unit when for determining that the TRILL message has carried out TRILL encapsulation, determines to send the TRILL message Terminal be intelligent terminal.
Preferably, the route-bridge further includes the first determination unit, generation unit, the first encapsulation unit and the first transmission Unit, in which:
First determination unit for determining that the route-bridge enables ARP proxy function, and has obtained local three layers of IP When the IP address of interface, the generation unit is triggered;
Generation unit, for generating the response message for replying the ARP message or data message;
First encapsulation unit, for carrying out TRILL encapsulation to the response message;
First transmission unit, for the TRILL message of the response message after encapsulation to be sent to the intelligent terminal.
Preferably, first encapsulation unit is by the purpose nickname of the TRILL heading of response message and source Nickname is encapsulated as the nickname value of the route-bridge, outer layer Ethernet head target MAC (Media Access Control) address is encapsulated as described Source MAC is the MAC Address of the route-bridge by the MAC Address of intelligent terminal.
Preferably, the route-bridge further includes the second determination unit, the second encapsulation unit and the second transmission unit, In:
Second determination unit when for determining that the route-bridge is not enabled on ARP proxy function, triggers the resolution unit The ARP message or data message are parsed;
Second encapsulation unit, for after parsing ARP message or data message re-start TRILL encapsulation;
Second transmission unit, for after Resealing ARP message or data message be sent to TRILL network.
Preferably, second encapsulation unit is by the TRILL heading of ARP message or data message to be Resealed Purpose nickname is encapsulated as the nickname value of the root route-bridge of the route-bridge topological structure, and source nickname is sealed Dress is the nickname of the route-bridge;The target MAC (Media Access Control) address of outer layer ether net head is encapsulated as broadcast address, by source MAC Address is encapsulated as the MAC Address of the route-bridge.
In the present invention, after intelligent terminal starting, the route-bridge distribution for not obtaining intelligent terminal attachment is being determined When nickname value (intelligent terminal is not configured nickname value), to address resolution protocol (ARP, Address Resolution Protocol) message or other data messages carry out TRILL encapsulation, and are sent to route-bridge;Wherein, The purpose nickname and source nickname of the TRILL heading are 0, and the target MAC (Media Access Control) address of outer layer ether net head is broadcast Address, source MAC are the MAC Address of intelligent terminal.Route-bridge enables ARP proxy function, and has obtained local three layers When the IP address of IP interface, generate reply ARP message arp response message, and to arp response message carry out TRILL encapsulation after It is sent to intelligent terminal;When route-bridge is not enabled on ARP proxy function, TRILL envelope is re-started to the ARP message after parsing Dress, and it is sent to TRILL network.After intelligent terminal receives the arp response of TRILL encapsulation, by the TRILL message of arp response The purpose nickname of head distributes to the nickname value of the intelligent terminal as route-bridge.Also, route-bridge not When enabled ARP proxy function, after intelligent terminal receives the arp response of TRILL encapsulation, obtained by decapsulating arp response message To the MAC Address of routing gateway.Technical solution of the present invention makes intelligent terminal when accessing TRILL network, itself is supported The capacity information notice of TRILL encapsulation can receive the nickname value of route-bridge distribution to route-bridge.For intelligent end Data message after the TRILL encapsulation that end issues, border routing bridge can be determined that terminal is intelligent terminal, record the terminal Mac address information, and destination address is forwarded to after carrying out TRILL encapsulation again to the data message.Technical side of the invention Case can make route-bridge get the intelligent terminal ability information of access as early as possible, and the nickname value of route-bridge is distributed to Intelligent terminal mitigates the burden of TRILL network border routing bridge.
Detailed description of the invention
Fig. 1 is the composed structure schematic diagram of the TRILL network of the embodiment of the present invention;
Fig. 2 is the format chart of the ARP message after TRILL is encapsulated;
Fig. 3 is the composed structure schematic diagram of the intelligent terminal of the embodiment of the present invention;
Fig. 4 is the composed structure schematic diagram of the route-bridge of the embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, by the following examples and referring to attached drawing, right The present invention is further described.
Fig. 1 is the composed structure schematic diagram of the TRILL network of the embodiment of the present invention, below with TRILL network shown in FIG. 1 For structure, the specific embodiment of the method for intelligent terminal of the present invention access TRILL network is described in detail, in Fig. 1 Terminal 1, terminal 3 are intelligent terminal (smart endnode), can carry out TRILL message encapsulation, and terminal 2 is ordinary terminal Equipment, terminal 1 and terminal 2 are connect by interchanger SW1 with route-bridge RB1, and terminal 3 passes through interchanger SW2 and route-bridge RB1 connection.This example illustrates the essence of technical solution of the present invention so that intelligent terminal 1 accesses TRILL network as an example.
When intelligent terminal 1 starts, need to send address resolution protocol (ARP, Address to TRILL network Resolution Protocol) message, since terminal 1 is intelligent terminal, support TRILL encapsulation issues the intelligent terminal ARP message need to carry out TRILL encapsulation, at this point, due to being that intelligent terminal 1 is linked into TRILL network, intelligent terminal 1 for the first time The nickname value of the route-bridge RB1 distribution accompanying by it is not obtained, alternatively, intelligent terminal is not by active arrangement appended by it Route-bridge RB1 nickname value, other network element devices (such as RB2, RB3 and gateway router RT1 in TRILL network Deng), it is not aware that the terminal supports TRILL encapsulation ability including route-bridge RB1 accompanying by intelligent terminal, so the terminal It needs first to notice its ability encapsulated with TRILL to TRILL network.
It is illustrated so that terminal sends ARP message as an example in the present invention, it will be appreciated by those skilled in the art that terminal can be with Send the ability that any data message notifies its own to encapsulate with TRILL to route-bridge.That is, no matter terminal to Which kind of message route-bridge sends, as long as have passed through TRILL encapsulation, the route-bridge terminal can be notified to encapsulate with TRILL Ability.For example, above-mentioned ARP message can also be common data message substitution.
Intelligent terminal 1 carries out TRILL encapsulation, the source nickname and purpose of TRILL heading to ARP message Nickname is disposed as 0, indicates the terminal nickname value that temporarily route-bridge distributes not yet.The mesh of outer layer heading MAC Address be broadcast address, source MAC be the terminal itself MAC Address, internal layer heading be ARP message format.Figure 2 be the format chart of the ARP message after TRILL is encapsulated, and the ARP message structure after TRILL is encapsulated is as shown in Fig. 2, due to report Literary structure is clear enough to those skilled in the art, which is not described herein again its CONSTRUCTED SPECIFICATION.
The ARP message after TRILL is encapsulated can be ultimately routed to route-bridge RB1 by the interchanger SW1 in network, Route-bridge RB1 is the gateway route-bridge of intelligent terminal.After route-bridge RB1 receives the TRILL message, message is found TRILL encapsulation has been done, has determined there is intelligent terminal under the port, route-bridge RB1 marks the port, is for other exit ports The message of the port, and destination address is the message of the intelligent terminal recorded, and route-bridge RB1 will be decapsulated no longer TRILL message, and be to maintain TRILL encapsulation and be forwarded to intelligent terminal 1.
Route-bridge RB1 decapsulates TRILL message, and discovery nickname field value is 0, indicates that the field for sky, then may be used To determine the intelligent terminal 1 distribution nickname value not yet.
If the route-bridge enables ARP proxy (Proxy) function, and the ARP report for having had intelligent terminal 1 to request The corresponding MAC Address of IP address in text then directly can reply arp response message, and the ARP that terminates to the intelligent terminal 1 Request, otherwise, needs the treatment principle according to TRILL protocol, is forwarded to TRILL network after Resealing to ARP message, Corresponding gateway router is sent to by the outlet route-bridge of TRILL network, in example shown in FIG. 1, gateway router is RT1。
When route-bridge RB1 enables ARP Proxy function, route-bridge directly encapsulates arp response message, i.e., should Arp response message carries out TRILL encapsulation, and the purpose nickname value and source nickname value of TRILL heading are all the routing The nickname value of bridge.The target MAC (Media Access Control) address of outer layer ether net head is the MAC Address of intelligent terminal 1, and source MAC is should The MAC Address of route-bridge.Internal layer is directly arp response message.TRILL message after encapsulation relies on outer layer MAC address in net Intelligent terminal 1 is transferred in network, intelligent terminal 1 decapsulates TRILL message and obtains nickname value of the destination address as itself, And the MAC Address requested by arp response message.Source in the TRILL encapsulation for the message that subsequent intelligent terminal 1 issues Nickname is packaged using the nickname value.The structure of arp response message through TRILL encapsulation equally can be found in aforementioned Structure shown in Fig. 2.
When route-bridge RB1 does not have ARP Proxy function, then need ARP request message being forwarded to TRILL network In, before forwarding, need to Reseal ARP request message, TRILL purpose nickname are route-bridge topological structure The nickname value of the root route-bridge of distribution tree, source nickname are the nickname of itself, the purpose of outer layer ether net head MAC Address is broadcast address, and source MAC is the MAC Address of route-bridge RB1, and internal layer is ARP request message, the ARP request Message remains unchanged.Route-bridge RB1 sends multicast forwarding of the message into TRILL network, according to TRILL after Resealing Principle, the ARP request message after Resealing can be sent to route-bridge RB3, after route-bridge RB3 decapsulates message, obtain Gateway router RT1 is sent to after ARP request message.Gateway router RT1 responds the ARP request message, send arp response to Route-bridge RB3 carries out TRILL encapsulation, the mesh of the TRILL heading of arp response to arp response message by route-bridge RB3 Nickname be RB1 nickname value, source nickname is the nickname value of RB3, which unicasts to RB1, RB1 hair Existing purpose nickname is itself, and the target MAC (Media Access Control) address of internal layer is the intelligent terminal 1 of itself attachment, and the TRILL is forwarded to report Text arrives intelligent terminal 1, needs to modify the ether net head of outer layer before forwarding, and the destination address of outer layer ether net head is intelligent terminal MAC Address, source address are the MAC Address of RB1.The message carries out two layers dependent on the MAC Address of outer layer ether net head and is forwarded to Intelligent terminal 1 after intelligent terminal 1 has received the arp response message of TRILL encapsulation, decapsulates TRILL message, obtains purpose Nickname value and using purpose nickname value as itself nickname value, and with recording the MAC in arp response message Location, as the MAC Address of itself gateway, the TRILL message issued later is all using the nickname value as source nickname Value.
Fig. 3 is the composed structure schematic diagram of the intelligent terminal of the embodiment of the present invention, as shown in figure 3, the embodiment of the present invention Intelligent terminal includes encapsulation unit 30 and transmission unit 31, in which:
Encapsulation unit 30, ARP message or data message for treating sending carry out TRILL encapsulation.
Specifically, encapsulation unit 30 is determining the nickname for not obtaining the route-bridge distribution of the intelligent terminal attachment When value or the nickname value of the intelligent terminal route-bridge that intelligent terminal adheres to not described in active arrangement, to be sent ARP message or data message carry out TRILL encapsulation.
Transmission unit 31, for the TRILL message after encapsulation to be sent to route-bridge.
Preferably, the TRILL heading purpose nickname and source nickname are encapsulated as 0 by encapsulation unit 32, The purpose MAC address of outer layer ether net head is encapsulated as broadcast address, source MAC is encapsulated as the intelligence The MAC Address of energy terminal.
The route-bridge is parsed after receiving the TRILL message, determines that the TRILL message carries out When TRILL is encapsulated, determine that sending the terminal of the TRILL message is intelligent terminal.
When enabling ARP proxy function in the route-bridge, and having obtained the IP address of local three layers of IP interface, generate The response message of the ARP message or data message is replied, and described to being sent to after response message progress TRILL encapsulation Intelligent terminal.Wherein, the purpose nickname and source nickname of the TRILL heading of response message are the route-bridge Nickname value, outer layer Ethernet head target MAC (Media Access Control) address be the intelligent terminal MAC Address, source MAC be the road By the MAC Address of bridge.
When the route-bridge is not enabled on ARP proxy function, to after parsing ARP message or data message re-start TRILL encapsulation, and it is sent to the TRILL network.The mesh of the TRILL heading of the ARP message or data message that Reseal Nickname be the route-bridge topological structure distribution tree root route-bridge nickname value, source nickname is The nickname of the route-bridge;The target MAC (Media Access Control) address of outer layer ether net head is broadcast address, and source MAC is the road By the MAC Address of bridge.
Border routing bridge is solved after receiving the TRILL message of the ARP message or data message Resealed Encapsulation, and by the ARP message or data message forwarding of decapsulation to gateway router;Gateway router receives the ARP report Response message is generated after text or data message and is sent to the border routing bridge;The border routing bridge is to received Response message carry out TRILL encapsulation and being sent to the route-bridge;The route-bridge is to received response message Re-start TRILL encapsulation, wherein the purpose nickname of the TRILL heading of the response message Resealed and source Nickname is the nickname value of the route-bridge, and outer layer Ethernet head target MAC (Media Access Control) address is the intelligent terminal MAC Address, source MAC are the MAC Address of the route-bridge.
On the basis of intelligent terminal shown in Fig. 3, intelligent terminal described in the intelligent terminal of the embodiment of the present invention further includes First receiving unit (being not shown in Fig. 3) and allocation unit (being not shown in Fig. 3), in which:
First receiving unit, for receiving the ARP message response or data message response of TRILL encapsulation;
Allocation unit, for distributing the purpose nickname of ARP message or the TRILL heading of the response of data message To the intelligent terminal, the nickname value of the route-bridge as the intelligent terminal.
On the basis of intelligent terminal shown in Fig. 3, intelligent terminal described in the intelligent terminal of the embodiment of the present invention further includes Second receiving unit (being not shown in Fig. 3) and decapsulation unit (being not shown in Fig. 3), in which:
Second receiving unit, for receiving the ARP message response or data message response of TRILL encapsulation;
Decapsulation unit, ARPARP message response or data message response for solving TRILL encapsulation obtain the road By the MAC Address of gateway.
It will be appreciated by those skilled in the art that except determination unit 30, generation unit 31, encapsulation in intelligent terminal of the invention Unit 32 and transmission unit 33 are outside the basic processing unit of intelligent terminal to realize the present invention, remaining each processing unit is Optimize intelligent terminal of the invention and is arranged.
It will be appreciated by those skilled in the art that the realization function of managing unit everywhere in intelligent terminal shown in Fig. 3 can Understand referring to associated description above.It will be appreciated by those skilled in the art that each processing unit in intelligent terminal shown in Fig. 3 Function can be realized and running on the program on processor, can also be realized by specific logic circuit.
Fig. 4 is the composed structure schematic diagram of the route-bridge of the embodiment of the present invention, as shown in figure 4, the embodiment of the present invention Route-bridge includes receiving unit 40, resolution unit 41 and judging unit 42, in which:
Receiving unit 40, for receiving the TRILL message of intelligent terminal transmission;
Resolution unit 41, for being parsed to the received TRILL message of institute;
Judging unit 42 when for determining that the TRILL message has carried out TRILL encapsulation, determines to send the TRILL report The terminal of text is intelligent terminal.
On the basis of route-bridge shown in Fig. 4, the route-bridge of the embodiment of the present invention further includes the first determination unit (being not shown in Fig. 4), generation unit (being not shown in Fig. 4), the first encapsulation unit (being not shown in Fig. 4) and the first transmission unit (being not shown in Fig. 4), in which:
First determination unit for determining that the route-bridge enables ARP proxy function, and has obtained local three layers of IP When the IP address of interface, the generation unit is triggered;
Generation unit, for generating the response message for replying the ARP message or data message;
First encapsulation unit, for carrying out TRILL encapsulation to the response message;
First transmission unit, for the TRILL message of the response message after encapsulation to be sent to the intelligent terminal.
First encapsulation unit seals the purpose nickname of the TRILL heading of response message and source nickname Dress is the nickname value of the route-bridge, and outer layer Ethernet head target MAC (Media Access Control) address is encapsulated as to the MAC of the intelligent terminal Source MAC is the MAC Address of the route-bridge by address.
On the basis of route-bridge shown in Fig. 4, the route-bridge of the embodiment of the present invention further includes the second determination unit (being not shown in Fig. 4), the second encapsulation unit (being not shown in Fig. 4) and the second transmission unit (being not shown in Fig. 4), in which:
Second determination unit when for determining that the route-bridge is not enabled on ARP proxy function, triggers the resolution unit 41 pairs of ARP messages or data message parse;
Second encapsulation unit, for after parsing ARP message or data message re-start TRILL encapsulation;
Second transmission unit, for after Resealing ARP message or data message be sent to TRILL network.
Second encapsulation unit is by the purpose of the TRILL heading of ARP message or data message to be Resealed Nickname is encapsulated as the nickname value of the root route-bridge of the route-bridge topological structure, and source nickname is encapsulated as The nickname of the route-bridge;The target MAC (Media Access Control) address of outer layer ether net head is encapsulated as broadcast address, by source MAC It is encapsulated as the MAC Address of the route-bridge.
It will be appreciated by those skilled in the art that except receiving unit 40, resolution unit 41 and sentencing in route-bridge of the invention Order member 42 is outside the basic processing unit of route-bridge to realize the present invention, remaining each processing unit is the optimization present invention Route-bridge and be arranged.
It will be appreciated by those skilled in the art that the realization function of managing unit everywhere in route-bridge shown in Fig. 4 can Understand referring to associated description above.It will be appreciated by those skilled in the art that each processing unit in route-bridge shown in Fig. 4 Function can be realized and running on the program on processor, can also be realized by specific logic circuit.
Obviously, those skilled in the art should be understood that unit or each step are managed everywhere in the above-mentioned present invention to be used General computing device is realized, can be concentrated on a single computing device, or be distributed in multiple computing device institutes group At network on, optionally, can be realized with the program code that computing device can perform, it is thus possible to which they are stored Be performed by computing device in the storage device, perhaps they are fabricated to each integrated circuit modules or by they In multiple modules or step be fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific Hardware and software combines.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.

Claims (18)

1. a kind of method of intelligent terminal access multi-link transparent interconnection network, which is characterized in that the described method includes:
Intelligent terminal treats the ARP message of sending or data message carries out multi-link transparent interconnection TRILL envelope Dress, and it is sent to route-bridge;
The route-bridge is parsed after receiving the TRILL message, determines that the TRILL message has carried out TRILL envelope When dress, determine that sending the terminal of the TRILL message is intelligent terminal;
Wherein, the purpose nickname and source nickname of the TRILL heading are 0.
2. the method according to claim 1, wherein the purpose media access control MAC of outer layer ether net head Location is broadcast address, and source MAC is the MAC Address of the intelligent terminal.
3. the method according to claim 1, wherein the method also includes:
The route-bridge enables ARP proxy function, and when having obtained the IP address of local three layers of IP interface, generates and replys institute The response message of ARP message or data message is stated, and is sent to the intelligence eventually after carrying out TRILL encapsulation to the response message End.
4. according to the method described in claim 3, it is characterized in that, ARP message or the TRILL heading of data message response Purpose nickname and source nickname is the nickname value of the route-bridge, outer layer Ethernet head target MAC (Media Access Control) address For the MAC Address of the intelligent terminal, source MAC is the MAC Address of the route-bridge.
5. the method according to claim 1, wherein the method also includes:
When the route-bridge is not enabled on ARP proxy function, to after parsing ARP message or data message re-start TRILL Encapsulation, and it is sent to the TRILL network.
6. according to the method described in claim 5, it is characterized in that, the TRILL of the ARP message or data message that Reseal is reported The purpose nickname of literary head is the nickname value of the root route-bridge of the route-bridge topological structure, and source nickname is The nickname of the route-bridge;The target MAC (Media Access Control) address of outer layer ether net head is broadcast address, and source MAC is the road By the MAC Address of bridge.
7. according to the method described in claim 6, it is characterized in that, the method also includes:
Border routing bridge is decapsulated after receiving the TRILL message of the ARP message or data message Resealed, And by the ARP message or data message forwarding of decapsulation to gateway router;
Gateway router generates response message after receiving the ARP message or data message and is sent to the border routing net Bridge;The border routing bridge carries out TRILL encapsulation to received response message and is sent to the route-bridge;
The route-bridge re-starts TRILL encapsulation to received response message, wherein the response message Resealed TRILL heading purpose nickname and source nickname be the route-bridge nickname value, outer layer ether Net head target MAC (Media Access Control) address is the MAC Address of the intelligent terminal, and source MAC is the MAC Address of the route-bridge.
8. method according to claim 3 or 7, which is characterized in that the method also includes:
After the intelligent terminal receives the response message of TRILL encapsulation, by the purpose of the TRILL heading of response message Nickname distributes to the nickname value of the intelligent terminal as route-bridge.
9. the method according to the description of claim 7 is characterized in that the method also includes:
After the intelligent terminal receives the response message of TRILL encapsulation, the routing network is obtained by decapsulating response message The MAC Address of bridge.
10. a kind of intelligent terminal, which is characterized in that the intelligent terminal includes encapsulation unit and transmission unit, in which:
Encapsulation unit, ARP message or data message for treating sending carry out multi-link transparent interconnection TRILL encapsulation;The encapsulation unit is also used to encapsulate the TRILL heading purpose nickname and source nickname It is 0;
Transmission unit, for the TRILL message after encapsulation to be sent to route-bridge;Wherein, the route-bridge, for passing through The TRILL message received is parsed, when determining that the TRILL message has carried out TRILL encapsulation, determines to send institute The terminal for stating TRILL message is intelligent terminal.
11. intelligent terminal according to claim 10, which is characterized in that the encapsulation unit is by the mesh of outer layer ether net head MAC address be encapsulated as broadcast address, source MAC is encapsulated as to the MAC Address of the intelligent terminal.
12. intelligent terminal described in 0 or 11 according to claim 1, which is characterized in that the intelligent terminal further includes the first reception Unit and allocation unit, in which:
First receiving unit, for receiving the ARP message response or data message response of TRILL encapsulation;
Allocation unit, for the purpose nickname of ARP message or the TRILL heading of the response of data message to be distributed to institute Intelligent terminal is stated, the nickname value of the route-bridge as the intelligent terminal.
13. intelligent terminal described in 0 or 11 according to claim 1, which is characterized in that the intelligent terminal further includes the second reception Unit and decapsulation unit, in which:
Second receiving unit, for receiving the ARP message response or data message response of TRILL encapsulation;
Decapsulation unit, ARP message response or data message response for solving TRILL encapsulation obtain the route-bridge MAC Address.
14. a kind of route-bridge, which is characterized in that the route-bridge includes receiving unit, resolution unit and judging unit, In:
Receiving unit, for receiving the TRILL message of intelligent terminal transmission;Wherein, the purpose of the TRILL heading Nickname and source nickname is 0;
Resolution unit, for received TRILL encapsulation ARP message or data message parse;
Judging unit when for determining that the TRILL message has carried out TRILL encapsulation, determines the end for sending the TRILL message End is intelligent terminal.
15. route-bridge according to claim 14, which is characterized in that the route-bridge further includes first determining single Member, generation unit, the first encapsulation unit and the first transmission unit, in which:
First determination unit for determining that the route-bridge enables ARP proxy function, and has obtained local three layers of IP interface IP address when, trigger the generation unit;
Generation unit, for generating the response message for replying the ARP message or data message;
First encapsulation unit, for carrying out TRILL encapsulation to the response message;
First transmission unit, for the TRILL message of the response message after encapsulation to be sent to the intelligent terminal.
16. route-bridge according to claim 15, which is characterized in that first encapsulation unit is by response message The purpose nickname and source nickname of TRILL heading are encapsulated as the nickname value of the route-bridge, by outer layer Ethernet head target MAC (Media Access Control) address is encapsulated as the address MAC of the intelligent terminal, is the route-bridge by source MAC MAC Address.
17. route-bridge according to claim 14, which is characterized in that the route-bridge further includes second determining single Member, the second encapsulation unit and the second transmission unit, in which:
Second determination unit when for determining that the route-bridge is not enabled on ARP proxy function, triggers the resolution unit to institute It states ARP message or data message is parsed;
Second encapsulation unit, for after parsing ARP message or data message re-start TRILL encapsulation;
Second transmission unit, for after Resealing ARP message or data message be sent to TRILL network.
18. route-bridge according to claim 17, which is characterized in that second encapsulation unit will be to be Resealed The purpose nickname of the TRILL heading of ARP message or data message is encapsulated as the root road of the route-bridge topological structure By the nickname value of bridge, source nickname is encapsulated as to the nickname of the route-bridge;By outer layer ether net head Target MAC (Media Access Control) address is encapsulated as broadcast address, and source MAC is encapsulated as to the MAC Address of the route-bridge.
CN201210404741.7A 2012-10-22 2012-10-22 Method, intelligent terminal and the route-bridge of intelligent terminal access TRILL network Expired - Fee Related CN103780468B (en)

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