CN104219126B

CN104219126B - A kind of Auto-learning Method and equipment having subring agreement VLAN under virtual channel mode

Info

Publication number: CN104219126B
Application number: CN201410380435.3A
Authority: CN
Inventors: 雷公武
Original assignee: New H3C Technologies Co Ltd
Current assignee: New H3C Technologies Co Ltd
Priority date: 2014-08-04
Filing date: 2014-08-04
Publication date: 2018-07-13
Anticipated expiration: 2034-08-04
Also published as: CN104219126A

Abstract

The invention discloses a kind of Auto-learning Method and equipment having subring agreement VLAN under virtual channel mode, this method includes：Interlink node determines the agreement VLAN of subring；The interlink node transmits the agreement VLAN of the subring on main ring, and the agreement VLAN of the subring is added to the data vlan list of the main ring by each node on the main ring.In the embodiment of the present invention, each node on main ring can automatically create the agreement VLAN of subring, and the agreement VLAN of subring is added in the data vlan list of main ring automatically, to save the workload of manual configuration, reduce the misconfiguration of manual configuration.

Description

Automatic learning method and device for sub-ring protocol VLAN in virtual channel mode

Technical Field

The present invention relates to the field of communications technologies, and in particular, to a method and an apparatus for automatically learning a Virtual Local Area Network (VLAN) in a Virtual channel.

Background

ERPS (Ethernet Ring Protection Switching) is a link layer protocol specifically applied to Ethernet rings. When the ethernet ring is complete, the ERPS can prevent a broadcast storm caused by the data loop. When one link on the ethernet ring is disconnected, the ERPS can quickly recover the communication path between each node (i.e., network device) on the ethernet ring, and has a high convergence speed.

As shown in fig. 1, a schematic networking diagram of an ERPS network is shown, where the ERPS network includes a main ring and a sub-ring. The main Ring includes a node a, a node B, a node C, and a node D, where the node a is a main node, the node B is a neighbor node, the node C and the node D are interconnection nodes, and a Link between the node a and the node B is an RPL (Ring Protection Link). The subring comprises a node E, a node F, a node C and a node D, wherein the node E is a main node, the node F is a neighbor node, the node C and the node D are interconnection nodes, the node connecting the main ring and the subring is an interconnection node, and a link between the node E and the node F is RPL.

In the ERPS network, if no link on the loop fails, the main node and the neighbor nodes prevent the loop from forming by blocking ports at two ends of the RPL; as shown in fig. 1, node a blocks port 1, node B blocks port 3, node E blocks port 12, and node F blocks port 13. If a link on the ring fails, the failed node blocks the failed port and periodically sends an SF (Signal fail) message. After receiving the SF message, the master node and the neighbor node open the ports at the two ends of the RPL that were blocked before, so that the service can be switched to the RPL link, and the protection switching of the loop is completed.

In the prior art, a subring supports a virtual channel mode and a virtual channel-free mode. When the sub-ring supports the virtual channel mode, the protocol packet of the sub-ring needs to be transmitted as a data packet on the main ring, that is, each node on the main ring needs to allow the protocol packet of the sub-ring to pass through. In order to implement the above process, the following configuration needs to be performed on each node of the main ring: manually creating a protocol VLAN (Virtual Local Area Network) of a sub-ring on each node; and manually adding the protocol VLAN of the sub-ring to the data VLAN list of the main ring on each node so as to treat the protocol VLAN of the sub-ring as the data VLAN of the main ring, and then enabling the protocol message of the sub-ring to be transmitted as a data message on the main ring.

However, the above method requires manually creating the protocol VLAN of the sub-ring on each node of the main ring, and manually adding the protocol VLAN of the sub-ring to the data VLAN list of the main ring on each node of the main ring, and the manual configuration process is complicated, the configuration workload is large, and configuration errors are easily caused. Especially when there are a large number of nodes on the main ring, the manual configuration effort will be very large.

Disclosure of Invention

The embodiment of the invention provides an automatic learning method of a sub-ring protocol virtual local area network VLAN in a virtual channel mode, which is applied to a network comprising a main ring and a sub-ring, and comprises the following steps:

the interconnection node determines the protocol VLAN of the sub-ring;

and the interconnection node transmits the protocol VLAN of the sub-ring on the main ring, and each node on the main ring adds the protocol VLAN of the sub-ring to a data VLAN list of the main ring.

The process that the interconnection node transmits the protocol VLAN of the sub-ring on the main ring, and each node on the main ring adds the protocol VLAN of the sub-ring to the data VLAN list of the main ring specifically includes:

the interconnection node sends a VLAN-Check-Request message to a main node on the main ring, and the VLAN-Check-Request message carries the protocol VLAN of the sub ring;

the interconnection node receives a VLAN-Check-Response message sent by the main node, and the VLAN-Check-Response message carries the protocol VLAN of the sub-ring;

and the interconnection node adds the protocol VLAN of the sub-ring to a data VLAN list of the main ring and continuously transmits the VLAN-Check-Response message on the main ring.

The process that the interconnection node sends the VLAN-Check-Request message to the main node on the main ring specifically comprises the following steps:

the interconnection node periodically sends a VLAN-Check-Request message through a port on the main ring, and the VLAN-Check-Request message carries a node identifier of the interconnection node;

when the interconnection node receives a VLAN-Check-Request message sent by another interconnection node on the subring, if the node identification carried in the VLAN-Check-Request message is larger than the node identification of the interconnection node, the interconnection node stops sending the VLAN-Check-Request message; if the node identification carried in the VLAN-Check-Request message is smaller than the node identification of the interconnection node, the interconnection node continuously sends the VLAN-Check-Request message; or,

if the node identification carried in the VLAN-Check-Request message is smaller than the node identification of the interconnection node, the interconnection node stops sending the VLAN-Check-Request message; and if the node identification carried in the VLAN-Check-Request message is larger than the node identification of the interconnection node, the interconnection node continuously sends the VLAN-Check-Request message.

The interlink node transmits the protocol VLANs of the sub-ring on the main ring, and after each node on the main ring adds the protocol VLAN of the sub-ring to the data VLAN list of the main ring, the method further comprises:

when the interconnection node receives a protocol message from the subring, judging whether a protocol VLAN corresponding to the protocol message is in a data VLAN list of the main ring; if not, discarding the protocol message; and if so, sending the protocol message through a port on the main ring.

and the non-interconnection node receives the protocol VLAN of the sub-ring transmitted on the main ring by the interconnection node, and adds the protocol VLAN of the sub-ring to the data VLAN list of the main ring.

The process that the non-interconnection node receives the protocol VLAN of the sub-ring transmitted by the interconnection node on the main ring, and adds the protocol VLAN of the sub-ring to the data VLAN list of the main ring specifically includes:

when the non-interconnected node is a main node, the main node receives a VLAN-Check-Request message sent to the main node by the interconnected node, and the VLAN-Check-Request message carries the protocol VLAN of the sub-ring; after receiving the VLAN-Check-Request message, the main node adds the protocol VLAN of the sub-ring to a data VLAN list of the main ring;

the main node periodically sends a VLAN-Check-Response message on the main ring, and the VLAN-Check-Response message carries the protocol VLAN of the sub ring;

when the main node receives the VLAN-Check-Response message sent by the main node, the main node stops sending the VLAN-Check-Response message;

when the non-interconnection node is not a main node, the non-interconnection node receives a VLAN-Check-Response message sent by the main node, and the VLAN-Check-Response message carries the protocol VLAN of the subring; and after receiving the VLAN-Check-Response message, the non-interconnection node adds the protocol VLAN of the sub-ring to a data VLAN list of the main ring, and continuously transmits the VLAN-Check-Response message on the main ring.

After the non-interconnect node receives the protocol VLAN of the sub-ring transmitted on the main ring by the interconnect node and adds the protocol VLAN of the sub-ring to the data VLAN list of the main ring, the method further includes:

when the non-interconnected node receives the protocol message aiming at the sub-ring, judging whether the protocol VLAN corresponding to the protocol message is in a data VLAN list of the main ring; if the protocol VLAN corresponding to the protocol message is not in the data VLAN list of the main ring, the non-interconnection node discards the protocol message; and if the protocol VLAN corresponding to the protocol message is in the data VLAN list of the main ring, the non-interconnected node continues to transmit the protocol message on the main ring.

The embodiment of the invention provides an interconnection node of a sub-ring protocol virtual local area network VLAN in a virtual channel mode, which is applied to a network comprising a main ring and a sub-ring, and the interconnection node specifically comprises:

a determining module, configured to determine a protocol VLAN of the subring;

and the processing module is used for transmitting the protocol VLAN of the sub-ring on the main ring, and each node on the main ring adds the protocol VLAN of the sub-ring to the data VLAN list of the main ring.

The processing module is specifically configured to send a VLAN-Check-Request message to a master node on a main ring, where the VLAN-Check-Request message carries a protocol VLAN of the sub-ring;

receiving a VLAN-Check-Response message sent by the main node, wherein the VLAN-Check-Response message carries the protocol VLAN of the subring;

and adding the protocol VLAN of the sub-ring to a data VLAN list of the main ring, and continuously transmitting the VLAN-Check-Response message on the main ring.

The processing module is further configured to periodically send the VLAN-Check-Request message through a port on the main ring, where the VLAN-Check-Request message carries a node identifier of the interconnection node; when a VLAN-Check-Request message sent by another interconnection node on the sub-ring is received, if the node identification carried in the VLAN-Check-Request message sent by the other interconnection node is larger than the node identification of the interconnection node, the VLAN-Check-Request message is stopped to be sent; if the node identification carried in the VLAN-Check-Request message sent by the other interconnection node is smaller than the node identification of the interconnection node, the VLAN-Check-Request message is continuously sent; or if the node identifier carried in the VLAN-Check-Request message sent by the other interconnection node is smaller than the node identifier of the interconnection node, stopping sending the VLAN-Check-Request message; and if the node identification carried in the VLAN-Check-Request message sent by the other interconnection node is larger than the node identification of the interconnection node, the VLAN-Check-Request message is continuously sent.

The processing module is further configured to determine whether a protocol VLAN corresponding to the protocol packet is on the data VLAN list of the main ring when the protocol packet is received from the sub-ring; if not, discarding the protocol message; and if so, sending the protocol message through a port on the main ring.

The embodiment of the invention provides a non-interconnected node of a sub-ring protocol virtual local area network VLAN in a virtual channel mode, which is applied to a network comprising a main ring and a sub-ring, and the non-interconnected node specifically comprises the following components:

a receiving module, configured to receive a protocol VLAN of the sub-ring, where the protocol VLAN is transmitted by an interconnection node on a main ring;

and the processing module is used for adding the protocol VLAN of the sub-ring to the data VLAN list of the main ring.

When a non-interconnected node is a main node, the receiving module is specifically configured to receive a VLAN-Check-Request message sent by the interconnected node to the main node, where the VLAN-Check-Request message carries a protocol VLAN of the sub-ring; the processing module is specifically configured to add the protocol VLAN of the sub-ring to the data VLAN list of the main ring after receiving the VLAN-Check-Request message; periodically sending VLAN-Check-Response messages on the main ring, wherein the VLAN-Check-Response messages carry the protocol VLAN of the sub-ring; when receiving a VLAN-Check-Response message sent by the user, stopping sending the VLAN-Check-Response message;

when the non-interconnected node is not the main node, the receiving module is specifically configured to receive a VLAN-Check-Response message sent by the main node, where the VLAN-Check-Response message carries a protocol VLAN of the subring; the processing module is specifically configured to add the protocol VLAN of the sub-ring to the data VLAN list of the main ring after receiving the VLAN-Check-Response packet, and continue to transmit the VLAN-Check-Response packet on the main ring.

The processing module is further configured to, when receiving a protocol packet for the subring, determine whether a protocol VLAN corresponding to the protocol packet is on the data VLAN list of the main ring; if the protocol VLAN corresponding to the protocol message is not in the data VLAN list of the main ring, discarding the protocol message; and if the protocol VLAN corresponding to the protocol message is in the data VLAN list of the main ring, the protocol message is continuously transmitted on the main ring.

Based on the technical scheme, in the embodiment of the invention, each node on the main ring can automatically create the protocol VLAN of the sub-ring and automatically add the protocol VLAN of the sub-ring to the data VLAN list of the main ring, and the protocol VLAN of the sub-ring does not need to be manually created on each node of the main ring and manually added to the data VLAN list of the main ring on each node of the main ring, so that the workload of manual configuration is saved, and the mis-configuration of manual configuration is reduced.

Drawings

Fig. 1 is a networking schematic of an ERPS network;

fig. 2 is a schematic flowchart of an automatic learning method for a sub-ring protocol VLAN in a virtual channel manner according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of an application scenario of multiple sub-rings proposed in an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an interconnection node according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a non-interconnect node according to an embodiment of the present invention.

Detailed Description

To solve the problems in the prior art, an embodiment of the present invention provides an automatic learning method for a sub-ring protocol VLAN in a virtual channel manner, where the method is applied to an ERPS network including a main ring and sub-rings, and fig. 1 is an application scenario diagram of the embodiment of the present invention, where the ERPS network includes one main ring and one sub-ring, and in actual application, the number of the sub-rings may be multiple, and the number of the main ring may be multiple. In the embodiment of the present invention, a sub-ring and a main ring are exemplified. In fig. 1, the main ring includes a node a, a node B, a node C, and a node D, where the node a is a main node, the node B is a neighbor node, the node C and the node D are interconnected nodes, and a link between the node a and the node B is RPL. The subring comprises a node E, a node F, a node C and a node D, wherein the node E is a main node, the node F is a neighbor node, the node C and the node D are interconnection nodes, and a link between the node E and the node F is RPL.

In the above application scenario, as shown in fig. 2, the method for automatically learning a sub-ring protocol VLAN in a virtual channel mode may specifically include the following steps:

step 201, the interconnection node determines the protocol VLAN of the sub-ring. Because the interconnection node is located on the subring, the interconnection node can directly determine the protocol VLAN of the subring.

In a specific implementation manner, the interconnection node may be configured with a VLAN association table, where ring information, protocol VLAN information, and data VLAN information are recorded in the VLAN association table, and the ring information is specifically a main ring or a sub-ring. Based on the VLAN association table, the interconnection node can determine the protocol VLAN of the sub-ring by using the ring information and the protocol VLAN information recorded in the VLAN association table.

As shown in table 1, which is an example of a VLAN association table, based on the VLAN association table shown in table 1, the interconnect node may determine that the protocol VLAN of the sub-ring is VLAN 12.

TABLE 1

Ring information	Protocol VLAN information	Data VLAN information
			Main ring	VLAN11	VLAN21、VLAN22
Sub-ring	VLAN12	VLAN21、VLAN23

In the embodiment of the present invention, the data VLAN may also be referred to as a protection VLAN, and for convenience of description, the data VLAN is taken as an example in the embodiment of the present invention for description. The protocol VLAN may also be referred to as a control VLAN, and for convenience of description, the protocol VLAN is used as an example in the embodiment of the present invention for description.

Step 202, the interconnection node transmits the protocol VLAN of the sub-ring on the main ring, and each node on the main ring adds the protocol VLAN of the sub-ring to the data VLAN list of the main ring.

Step 203, the non-interconnection node receives the protocol VLAN of the sub-ring transmitted by the interconnection node on the main ring, and adds the protocol VLAN of the sub-ring to the data VLAN list of the main ring.

In the application scenario shown in fig. 1, assuming that the protocol VLAN of the sub-ring is VLAN12, node C sends VLAN12 to node B through port 5, node B adds VLAN12 to the data VLAN list of the main ring, and sends VLAN12 to node a through port 3, node a adds VLAN12 to the data VLAN list of the main ring, and sends VLAN12 to node D through port 2, and node D adds VLAN12 to the data VLAN list of the main ring. To this end, the protocol VLANs of the sub-ring have been added to the data VLAN list of the main ring by each node on the main ring.

In order to enable the sub-ring to support a virtual channel mode, so that the protocol message of the sub-ring can be used as a data message to be transmitted on the main ring, in the embodiment of the invention, the interconnection node actively transmits the protocol VLAN of the sub-ring on the main ring, and each node on the main ring adds the protocol VLAN of the sub-ring to the data VLAN list of the main ring, so that the protocol VLAN of the sub-ring does not need to be manually added to the data VLAN list of the main ring on each node of the main ring, the workload of manual configuration is saved, and the mis-configuration of manual configuration is reduced.

In the embodiment of the present invention, a process in which an interconnection node transmits a protocol VLAN of a sub-ring on a main ring, each node (each node includes an interconnection node and a non-interconnection node on the main ring) on the main ring receives the protocol VLAN of the sub-ring transmitted by the interconnection node on the main ring, and adds the protocol VLAN of the sub-ring to a data VLAN list of the main ring specifically includes, but is not limited to, the following steps:

step 1, the interconnection node sends a VLAN-Check-Request message to a main node on a main ring, and the VLAN-Check-Request message carries a protocol VLAN of a sub-ring.

The VLAN-Check-Request message is a message newly defined in the embodiment of the present invention, and when the interconnection node learns that a protocol VLAN of a sub-ring needs to be added to a data VLAN list of a main ring, the interconnection node sends the VLAN-Check-Request message to a host node on the main ring. For example, when receiving a command to add a protocol VLAN of a sub-ring to a data VLAN list of a main ring, an interconnect node learns that the protocol VLAN of the sub-ring needs to be added to the data VLAN list of the main ring at present.

In the embodiment of the invention, the VLAN-Check-Request message sent by the interconnection node to the main node is used for adding the protocol VLAN of the sub-ring to the data VLAN list of the main ring after the main node receives the VLAN-Check-Request message, and periodically sending the VLAN-Check-Response message on the main ring, wherein the VLAN-Check-Response message carries the protocol VLAN of the sub-ring. Furthermore, the VLAN-Check-Request message is also used to enable the host node to create a protocol VLAN of a corresponding sub-ring on the host node after receiving the VLAN-Check-Request message.

In the embodiment of the present invention, the process of sending the VLAN-Check-Request message from the interconnection node to the host node on the main ring specifically includes, but is not limited to: the interconnection node periodically sends a VLAN-Check-Request message through a port on the main ring, and the VLAN-Check-Request message carries a node identifier of the interconnection node; further, when the interconnection node receives a VLAN-Check-Request message sent by another interconnection node on the sub-ring, if a node identifier carried in the VLAN-Check-Request message sent by the other interconnection node is larger than a node identifier of the interconnection node, the interconnection node stops sending the VLAN-Check-Request message, that is, the interconnection node does not send the VLAN-Check-Request message periodically; and if the node identification carried in the VLAN-Check-Request message sent by the other interconnection node is smaller than the node identification of the interconnection node, the interconnection node continues to send the VLAN-Check-Request message, namely, continues to send the VLAN-Check-Request message periodically. Or if the node identifier carried in the VLAN-Check-Request message sent by the other interconnection node is smaller than the node identifier of the interconnection node, the interconnection node stops sending the VLAN-Check-Request message, namely does not send the VLAN-Check-Request message periodically any more; and if the node identification carried in the VLAN-Check-Request message sent by the other interconnection node is larger than the node identification of the interconnection node, the interconnection node continues to send the VLAN-Check-Request message, namely, continues to send the VLAN-Check-Request message periodically.

In the application scenario shown in fig. 1, a node D may periodically send a VLAN-Check-Request message to a host node (node a) through a port 8, and periodically send a VLAN-Check-Request message to the host node (node a) through a port 9. In addition, the node C may periodically send a VLAN-Check-Request message to the host node (node a) through the port 5, and periodically send a VLAN-Check-Request message to the host node (node a) through the port 6. The protocol VLAN of the sub-ring carried in the VLAN-Check-Request message sent by each port is VLAN 12.

When the node D receives the VLAN-Check-Request message from the node C through the port 8, if the node identification (such as MAC address) corresponding to the VLAN-Check-Request message is larger than the node identification of the node D, the node D stops sending the VLAN-Check-Request message; if the node identification corresponding to the VLAN-Check-Request message is smaller than the node identification of the node D, the node D continues to send the VLAN-Check-Request message. When the node C receives the VLAN-Check-Request message from the node D through the port 6, if the node identification corresponding to the VLAN-Check-Request message is larger than the node identification of the node C, the node C stops sending the VLAN-Check-Request message; if the node identification corresponding to the VLAN-Check-Request message is smaller than the node identification of the node C, the node C continues to send the VLAN-Check-Request message.

Based on the above processing, it can be ensured that only one interconnection node (such as node C or node D) periodically sends a VLAN-Check-Request message to the master node. In the above manner, the interconnection node with the large node identifier sends the VLAN-Check-Request message to the host node, and in practical application, the interconnection node with the small node identifier may also send the VLAN-Check-Request message to the host node.

And 2, after receiving the VLAN-Check-Request message, the main node adds the protocol VLAN of the sub-ring to a data VLAN list of the main ring, and sends a VLAN-Check-Response message on the main ring, wherein the VLAN-Check-Response message carries the protocol VLAN of the sub-ring.

In the embodiment of the invention, after receiving the VLAN-Check-Request message, the main node needs to create the protocol VLAN of the subring on the main node before adding the protocol VLAN of the subring to the data VLAN list of the main ring. If the creation is successful, the master node adds the protocol VLAN of the child ring to the data VLAN list of the master ring. If the creation is failed, the protocol VLAN of the sub-ring is used, and the process is ended, and the protocol VLAN of the sub-ring is not added to the data VLAN list of the main ring.

After the protocol VLAN of the sub-ring is successfully established and added to the data VLAN list of the main ring, the main node periodically sends a VLAN-Check-Response message on the main ring, wherein the VLAN-Check-Response message is used for enabling each node (interconnection node and non-interconnection node) on the main ring to add the protocol VLAN of the sub-ring to the data VLAN list of the main ring after receiving the VLAN-Check-Response message, and the VLAN-Check-Response message is continuously transmitted on the main ring until the VLAN-Check-Response message is returned to the main node, and the main node stops sending the VLAN-Check-Response message. Further, the VLAN-Check-Response message is also used to enable each node (interconnect node and non-interconnect node) on the main ring to create a protocol VLAN of a corresponding sub-ring on the node after receiving the VLAN-Check-Response message.

In the application scenario shown in fig. 1, after receiving the VLAN-Check-Request message, the node a parses the protocol VLAN of the sub-ring from the VLAN-Check-Request message to be VLAN 12. If the node A already has the VLAN12 and the VLAN12 is currently used, the node A fails to create the VLAN12 and the process is ended; if the node a does not have the VLAN12, the node a creates a VLAN12 on the node a, adds the VLAN12 to the data VLAN list of the main ring, and periodically sends a VLAN-Check-Response message through a non-RPL port (i.e., port 2), and the protocol VLAN of the sub-ring carried in the VLAN-Check-Response message is the VLAN 12.

And 3, after each node on the main ring receives the VLAN-Check-Response message, adding the protocol VLAN of the sub-ring to a data VLAN list of the main ring, continuously sending the VLAN-Check-Response message to other nodes on the main ring until the VLAN-Check-Response message is transmitted to a neighbor node, adding the protocol VLAN of the sub-ring to the data VLAN list of the main ring by the neighbor node, transmitting the VLAN-Check-Response message to the main node, and stopping sending the VLAN-Check-Response message when the main node receives the VLAN-Check-Response message sent by the main node.

In the embodiment of the present invention, after each node (an interconnect node and a non-interconnect node) on the main ring receives the VLAN-Check-Response message, each node on the main ring needs to create a protocol VLAN of the sub-ring on the node before adding the protocol VLAN of the sub-ring to the data VLAN list of the main ring. If the creation is successful, the node adds the protocol VLAN of the sub-ring to the data VLAN list of the main ring. If the creation is failed, the protocol VLAN of the sub-ring is used, the process is ended, and the node does not add the protocol VLAN of the sub-ring to the data VLAN list of the main ring.

In the application scenario shown in fig. 1, after receiving the VLAN-Check-Response message, if the node D is currently periodically sending the VLAN-Check-Request message, the node D stops sending the VLAN-Check-Request message. And the node D analyzes the protocol VLAN of the sub-ring from the VLAN-Check-Response message to be VLAN 12. If the node D already has the VLAN12 and the VLAN12 is currently used, the node D fails to create the VLAN12 and the process is ended; if the node D does not have the VLAN12, the node D creates a VLAN12 on the node D, adds the VLAN12 to a data VLAN list of the main ring, and sends a VLAN-Check-Response message through a port 8, and the protocol VLAN of the sub-ring carried in the VLAN-Check-Response message is the VLAN 12.

In the application scenario shown in fig. 1, after receiving the VLAN-Check-Response message, if the node C is currently periodically sending the VLAN-Check-Request message, the node C stops sending the VLAN-Check-Request message. The node C analyzes the protocol VLAN of the sub-ring as VLAN12 from the VLAN-Check-Response message. If the node C already has the VLAN12 and the VLAN12 is currently used, the node C fails to create the VLAN12 and the process is ended; if the node C does not have the VLAN12, the node C creates a VLAN12 on the node C, adds the VLAN12 to a data VLAN list of the main ring, and sends a VLAN-Check-Response message through a port 5, and the protocol VLAN of the sub-ring carried in the VLAN-Check-Response message is the VLAN 12.

In the application scenario shown in fig. 1, after receiving the VLAN-Check-Response message, the node B parses the protocol VLAN of the sub-ring from the VLAN-Check-Response message to be VLAN 12. If VLAN12 already exists on node B and VLAN12 is currently used, then node B fails to create VLAN12 and the process ends; if node B does not have VLAN12, then node B creates VLAN12 on local node B and adds VLAN12 to the data VLAN list of the primary ring and sends a VLAN-Check-Response message through port 3. And then, after receiving the VLAN-Check-Response message through the port 1, the main node determines that all the nodes on the main ring add the protocol VLAN of the sub-ring to the data VLAN list of the main ring, and stops sending the VLAN-Check-Response message.

Step 204, when each node on the main ring receives the protocol message of the protocol VLAN of which the protocol VLAN is the sub-ring, each node judges whether the protocol VLAN corresponding to the protocol message is in the data VLAN list of the main ring; if not, discarding the protocol message; if yes, sending protocol message through the port on the main ring.

Specifically, when receiving a protocol message from a sub-ring, an interconnection node judges whether a protocol VLAN corresponding to the protocol message is in a data VLAN list of a main ring; if not, the interconnection node discards the protocol message; if yes, the interconnection node sends the protocol message through a port on the main ring, and when each non-interconnection node on the main ring receives the protocol message, whether the protocol VLAN corresponding to the protocol message is in a data VLAN list of the main ring is judged; if the protocol VLAN corresponding to the protocol message is not in the data VLAN list of the main ring, discarding the protocol message; and if the protocol VLAN corresponding to the protocol message is in the data VLAN list of the main ring, the protocol message is continuously transmitted on the main ring.

The protocol packet (i.e., the protocol packet transmitted on the sub-ring) specifically includes, but is not limited to, a protocol packet that needs to be transparently transmitted on the main ring, such as an SF (Signal Fault) packet.

In the application scenario shown in fig. 1, when receiving a protocol packet transmitted on a sub-ring, a node C determines whether a protocol VLAN corresponding to the protocol packet is in a data VLAN list of a main ring; if not, the node C discards the protocol message; if yes, the node C sends the protocol packet through the port (port 5) on the main ring, that is, the protocol packet is sent to the node B through the port 5. When receiving the protocol message, the node B judges whether the protocol VLAN corresponding to the protocol message is in a data VLAN list of the main ring; if not, the node B discards the protocol message; if yes, the node B sends the protocol packet through the port (port 3) on the main ring, i.e. sends the protocol packet to the node a through the port 3. When receiving a protocol message, the node A judges whether a protocol VLAN corresponding to the protocol message is in a data VLAN list of a main ring; if not, the node A discards the protocol message; if yes, the node a sends the protocol packet through the port (port 2) on the main ring, that is, the protocol packet is sent to the node D through the port 2. At this point, the protocol packet is transmitted to another interconnect node (i.e., node D), and the transmission of the protocol packet on the main ring is completed. Similarly, the processing procedure of the node D when receiving the protocol packet transmitted on the sub-ring is similar to the processing procedure of the node C when receiving the protocol packet transmitted on the sub-ring, and is not repeated here.

In the embodiment of the present invention, when a new protocol VLAN of a sub-ring needs to be added, only the interconnection node needs to re-determine the new protocol VLAN of the sub-ring, and through the processing flow of step 202, each node on the main ring can add the new protocol VLAN of the sub-ring to the data VLAN list of the main ring. Further, when the protocol VLAN of the sub-ring changes, each node needs to delete the protocol VLAN before the change from the data VLAN list, and the interconnection node re-determines the changed protocol VLAN, and through the processing flow in step 202, each node on the main ring can add the changed protocol VLAN to the data VLAN list of the main ring.

To sum up, based on the above technical solutions, in the embodiments of the present invention, when the sub-ring supports a virtual channel, and when there is an association relationship between the main ring and the sub-ring, each node on the main ring can automatically create a protocol VLAN of the sub-ring, and automatically add the protocol VLAN of the sub-ring to the data VLAN list of the main ring, without manually creating a protocol VLAN of the sub-ring on each node of the main ring, and without manually adding the protocol VLAN of the sub-ring to the data VLAN list of the main ring on each node of the main ring, so as to save workload of manual configuration and reduce misconfiguration of manual configuration. Further, as shown in fig. 3, for an application scenario diagram of multiple sub-rings, in the prior art, the protocol VLAN of each sub-ring needs to be manually added to the data VLAN list of the main ring, and the larger the number of sub-rings is, the larger the workload of manual configuration is. In the embodiment of the invention, the main node on the main ring is only required to be informed of the protocol VLAN of the sub-ring by the interconnected nodes on the sub-rings, and the main node can trigger the data VLAN list from the protocol VLAN of the sub-ring to the main ring, so that a large amount of workload of manual configuration is saved.

Based on the same inventive concept as the above method, an embodiment of the present invention provides an interconnection node of a virtual local area network VLAN of a subring protocol in a virtual channel manner, where the interconnection node is applied to a network including a main ring and a subring, and as shown in fig. 4, the interconnection node specifically includes:

a determining module 11, configured to determine a protocol VLAN of the sub-ring;

a processing module 12, configured to transmit the protocol VLAN of the sub-ring on the main ring, and add the protocol VLAN of the sub-ring to a data VLAN list of the main ring by each node on the main ring.

The processing module 12 is further configured to periodically send the VLAN-Check-Request message through a port on the main ring, where the VLAN-Check-Request message carries a node identifier of the interconnection node; when a VLAN-Check-Request message sent by another interconnection node on the sub-ring is received, if the node identification carried in the VLAN-Check-Request message sent by the other interconnection node is larger than the node identification of the interconnection node, the VLAN-Check-Request message is stopped to be sent; if the node identification carried in the VLAN-Check-Request message sent by the other interconnection node is smaller than the node identification of the interconnection node, the VLAN-Check-Request message is continuously sent; or if the node identifier carried in the VLAN-Check-Request message sent by the other interconnection node is smaller than the node identifier of the interconnection node, stopping sending the VLAN-Check-Request message; and if the node identification carried in the VLAN-Check-Request message sent by the other interconnection node is larger than the node identification of the interconnection node, the VLAN-Check-Request message is continuously sent.

The processing module 12 is further configured to, when receiving a protocol packet from the sub-ring, determine whether a protocol VLAN corresponding to the protocol packet is on the data VLAN list of the main ring; if not, discarding the protocol message; and if so, sending the protocol message through a port on the main ring.

The modules of the device can be integrated into a whole or can be separately deployed. The modules can be combined into one module, and can also be further split into a plurality of sub-modules.

Based on the same inventive concept as the above method, an embodiment of the present invention provides a non-interconnect node of a virtual local area network VLAN of a sub-ring protocol in a virtual channel manner, where the non-interconnect node is applied to a network including a main ring and a sub-ring, and as shown in fig. 5, the non-interconnect node specifically includes: a receiving module 21, configured to receive a protocol VLAN of the sub-ring, where the protocol VLAN is transmitted by an interconnection node on a main ring; and the processing module 22 is configured to add the protocol VLAN of the sub-ring to the data VLAN list of the main ring.

In the embodiment of the present invention, when a non-interconnected node is a master node, the receiving module 21 is specifically configured to receive a VLAN-Check-Request message sent by the interconnected node to the master node, where the VLAN-Check-Request message carries a protocol VLAN of the sub-ring; the processing module 22 is specifically configured to add the protocol VLAN of the sub-ring to the data VLAN list of the main ring after receiving the VLAN-Check-Request packet; periodically sending VLAN-Check-Response messages on the main ring, wherein the VLAN-Check-Response messages carry the protocol VLAN of the sub-ring; when receiving a VLAN-Check-Response message sent by the user, stopping sending the VLAN-Check-Response message;

in the embodiment of the present invention, when a non-interconnected node is not a master node, the receiving module 21 is specifically configured to receive a VLAN-Check-Response message sent by the master node, where the VLAN-Check-Response message carries a protocol VLAN of the subring; the processing module 22 is specifically configured to, after receiving the VLAN-Check-Response packet, add the protocol VLAN of the sub-ring to the data VLAN list of the main ring, and continue to transmit the VLAN-Check-Response packet on the main ring.

The processing module 22 is further configured to, when receiving the protocol packet for the sub-ring, determine whether a protocol VLAN corresponding to the protocol packet is on the data VLAN list of the main ring; if the protocol VLAN corresponding to the protocol message is not in the data VLAN list of the main ring, discarding the protocol message; and if the protocol VLAN corresponding to the protocol message is in the data VLAN list of the main ring, the protocol message is continuously transmitted on the main ring.

Through the above description of the embodiments, those skilled in the art will clearly understand that the present invention may be implemented by software plus a necessary general hardware platform, and certainly may also be implemented by hardware, but in many cases, the former is a better embodiment. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute the methods according to the embodiments of the present invention. Those skilled in the art will appreciate that the drawings are merely schematic representations of one preferred embodiment and that the blocks or flow diagrams in the drawings are not necessarily required to practice the present invention. Those skilled in the art will appreciate that the modules in the devices in the embodiments may be distributed in the devices in the embodiments according to the description of the embodiments, and may be correspondingly changed in one or more devices different from the embodiments. The modules of the above embodiments may be combined into one module, or further split into multiple sub-modules. The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments. The above disclosure is only for a few specific embodiments of the present invention, but the present invention is not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.

Claims

1. An automatic learning method for a sub-ring protocol virtual local area network VLAN in a virtual channel mode is applied to a network comprising a main ring and a sub-ring, and is characterized by comprising the following steps:

the interconnection node determines the protocol VLAN of the sub-ring;

2. The method of claim 1, wherein the process of the interlink node transmitting the protocol VLANs of the sub-ring on the main ring and each node on the main ring adding the protocol VLANs of the sub-ring to the data VLAN list of the main ring comprises:

3. The method of claim 2, wherein the process of the interconnection node sending a VLAN-Check-Request message to the master node on the main ring specifically comprises:

4. The method of claim 1, wherein the interlink node transmits the protocol VLANs of the sub-ring on the main ring, the method further comprising, after the protocol VLANs of the sub-ring are added to the list of data VLANs of the main ring by each node on the main ring:

5. An automatic learning method for a sub-ring protocol virtual local area network VLAN in a virtual channel mode is applied to a network comprising a main ring and a sub-ring, and is characterized by comprising the following steps:

6. The method as claimed in claim 5, wherein the process of the non-interlink node receiving the protocol VLAN of the sub-ring transmitted on the main ring by the interlink node and adding the protocol VLAN of the sub-ring to the data VLAN list of the main ring specifically comprises:

7. The method of claim 5, wherein the non-interconnect node receives the protocol VLANs of the sub-ring transmitted on the main ring by interconnect nodes and adds the protocol VLANs of the sub-ring to the data VLAN list of the main ring, the method further comprising:

8. An interconnection node of a sub-ring protocol virtual local area network VLAN in a virtual channel mode is applied to a network comprising a main ring and a sub-ring, and is characterized in that the interconnection node specifically comprises:

a determining module, configured to determine a protocol VLAN of the subring;

9. The interconnect node of claim 8,

10. The interconnect node of claim 9,

11. The interconnect node of claim 8,

12. A non-interconnection node of a sub-ring protocol virtual local area network VLAN in a virtual channel mode is applied to a network comprising a main ring and a sub-ring, and is characterized in that the non-interconnection node specifically comprises:

13. The non-interconnect node of claim 12,

14. The non-interconnect node of claim 12,