WO2017000614A1

WO2017000614A1 - Ethernet initialization method, device and system

Info

Publication number: WO2017000614A1
Application number: PCT/CN2016/078368
Authority: WO
Inventors: 张东杰
Original assignee: 中兴通讯股份有限公司
Priority date: 2015-06-29
Filing date: 2016-04-01
Publication date: 2017-01-05
Also published as: CN106301879A

Abstract

An Ethernet initialization method, device and system. The method comprises: when it is detected that an opposite-party device feeding back a VLAN notification message is overdue, sending a VLAN discovery request message to the opposite-party device according to a pre-set rule; and receiving the VLAN notification message fed back by the opposite-party device, and establishing a link according to the VLAN notification message, wherein the VLAN notification message comprises a current VLAN list of the opposite-party devices. Compared with the related art, when a VLAN notification message is not received, that is, when an opposite-party device does not establish a virtual link and a VLAN changes, a VLAN discovery request message is sent to the opposite-party device again, so as to ask the opposite-party device to feed back current VLAN information, and the current VLAN information is used to establish a link, and the present invention can avoid the problem in the related art of a link establishment failure due to the inconsistency of VLAN information.

Description

Ethernet initialization method, device and system

Technical field

This document relates to the field of Ethernet initialization technology, and in particular, to an Ethernet initialization method, apparatus, and system.

Background technique

In a Fibre Channel over Ethernet (FCoE) network, a virtual local area network (VLAN), Fibre Channel Initialization Protocol Virtual Local Area Network Discovery The "FIP VLAN Discovery" packet is used to discover the VLAN ID that can be used in the FIP protocol and the subsequent FCoE packets. The specific Ethernet FCoE initialization process is as follows: The local virtual Ethernet port VE_PORT first sends a FIP VLAN discovery request packet with a MAC address of the All-FCF-MACs. After receiving the VLAN discovery request, the connected peer VE_PORT needs to respond with a unicast VLAN notification frame. The VLAN notification frame carries a list of VLAN IDs that can be supported by the peer VE_PORT. After receiving the notification frame, the local VE_PORT resolves the carried descriptor. Obtain a list of VLANs; then select a VLAN ID from the list of available VLANs for subsequent logins.

If the VLAN configuration on the peer VE_PORT changes, it needs to send a unicast VLAN notification frame to all VE_PORTs that have established a virtual connection. The notification frame carries the modified VLAN list. The local VE_PORT parses the modified VLAN list and performs corresponding operations.

However, in an actual network networking environment, various abnormal conditions may exist. For example, if the VLAN of the peer VE_PORT changes before the local VE_PORT has not established a virtual connection, the peer VE_PORT may not notify the local VE_PORT. This may cause the local VE_PORT to continue to log in using the deleted VLAN ID.

Summary of the invention

The main technical problem to be solved by the present invention is to provide an Ethernet initialization method and apparatus and The system solves the problem that the change of the VLAN of the peer terminal when the virtual link is not established in the related technology does not cause the subsequent link to fail.

In order to solve the above problems, the following technical solutions are adopted:

An Ethernet initialization method, including:

When detecting that the feedback signal notification message of the opposite device is timed out, sending a VLAN discovery request message to the counterpart device according to a preset rule;

Receiving the VLAN notification message fed back by the counterpart device, establishing a link according to the VLAN notification message, where the VLAN notification message includes a current VLAN list of the counterpart device.

In an embodiment of the present invention, the detecting, by the other device, the feedback of the VLAN notification message timeout includes: after sending the VLAN discovery request message to the other device, determining whether the feedback of the counterpart device is received within a preset time The VLAN notification message, if not received, considers that the feedback VLAN notification message times out.

In an embodiment of the present invention, the preset rule is that, when detecting that the VLAN notification packet times out, sending the VLAN to the opposite terminal according to a preset frequency within a preset time period. Discover the request message.

An Ethernet initialization method, including:

Receiving a VLAN discovery request message sent by the other device according to a preset rule;

The VLAN notification message is fed back to the remote device, where the VLAN notification message includes a current VLAN list of the local end.

An Ethernet initialization method, including:

When the sending end detects that the receiving end feedback VLAN notification message times out, the sending end sends a VLAN discovery request message to the receiving end according to a preset rule;

Receiving, by the receiving end, the VLAN discovery request message, and feeding back a VLAN notification message to the sending end, where the VLAN notification message includes a current VLAN list of the local end;

After receiving the VLAN notification message, the sending end establishes according to the VLAN notification message. link.

An Ethernet initialization device includes a detection transmitting module and a receiving chain building module:

The detecting and sending module is configured to: when detecting that the feedback signal of the partner device returns a timeout message, send a VLAN discovery request message to the counterpart device according to a preset rule;

The receiving chain building module is configured to: receive the VLAN notification message fed back by the counterpart device, establish a link according to the VLAN notification message, and the VLAN notification message includes a current VLAN list of the counterpart device.

The detecting and sending module is further configured to: after transmitting the VLAN discovery request message to the remote device, determine whether the VLAN notification message fed back by the counterpart device is received within a preset time, and if not received, the feedback VLAN is considered The notification message timed out.

An Ethernet initialization device includes a request receiving module and a notification feedback module:

The request receiving module is configured to: receive a VLAN discovery request message sent by the counterpart device according to a preset rule;

The notification feedback module is configured to: feed back a VLAN notification message to the counterpart device, where the VLAN notification message includes a current VLAN list of the local end.

An Ethernet initialization system, including a sender and a receiver:

The sending end is configured to: when detecting that the receiving end feedback VLAN notification message times out, send a VLAN discovery request message to the receiving end according to a preset rule;

The receiving end is configured to: receive the VLAN discovery request message, and feed back a VLAN notification message to the sending end, where the VLAN notification message includes a current VLAN list of the local end;

The sending end is further configured to: after receiving the VLAN notification message, according to the VLAN pass Know the message to establish a link.

The beneficial effects of the technical solution of the present invention are:

The technical solution of the present invention provides an Ethernet initialization method, device, and system. When detecting that the feedback message of the other device is timed out, the device sends a VLAN discovery request message to the other device according to a preset rule; and receives a VLAN notification message fed back by the other device. The link is established according to the VLAN notification message, and the VLAN notification message includes the current VLAN list of the counterpart device. Compared with the related art, when the VLAN notification message is not received, that is, when the remote device does not establish a virtual connection and the VLAN changes, the VLAN discovery request message is sent to the other device, so that the other device returns the current VLAN information. The current VLAN information can be used to establish a link, which can avoid the problem that the VLAN information in the related technology is inconsistent and the link fails.

BRIEF abstract

1 is a schematic flowchart of an Ethernet initialization method according to Embodiment 1 of the present invention;

2 is a schematic flowchart of an Ethernet initialization method according to Embodiment 2 of the present invention;

3 is a schematic structural diagram 1 of an Ethernet initialization apparatus according to Embodiment 3 of the present invention;

4 is a schematic structural diagram 2 of an Ethernet initialization apparatus according to Embodiment 3 of the present invention;

FIG. 5 is a schematic structural diagram of an Ethernet initialization system according to Embodiment 6 of the present invention.

Preferred embodiment of the invention

The following is an overview of the topics detailed in this document. This Summary is not intended to limit the scope of the claims.

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

Embodiment 1

The Ethernet initialization method of this embodiment, as shown in FIG. 1, includes the following steps:

Step S101: When detecting that the feedback message of the partner device returns a timeout message, send a VLAN discovery request message to the remote device according to a preset rule.

In this step, the opposite device here is relative to the local device, it should be understood that the local device is the transmitting device, where the transmitting device and the opposite device are communication devices, which should be understood as the opposite end. The device is a receiving device. Specifically, the sender device and the peer device may be two switches and are VE_PORT ports of the two switches. Of course, it should be understood that other link ports are also included. The specific situation depends on the specific double-ended information interaction.

Step S102: Receive a VLAN notification message fed back by the counterpart device, establish a link according to the VLAN notification message, and the VLAN notification message includes a current VLAN list of the counterpart device.

In this step, the specific chain-building process includes sending an ELP request to the counterpart device; the counterpart device accepts the request and returns an ELP ACC response. After the link is established, an FC command or the like can be sent between the local device and the peer device for information exchange.

It should be noted that, in this embodiment, the FCoE uses the Fibre Channel initial protocol FIP for initial connection, and the FIP runs between the devices at both ends, specifically between the virtual Ethernet port VF_Port and the VN_Port or between the VE_Port, etc., depending on the specific situation. Depending on the application environment.

In the above step S101, it should be understood that the sending VLAN discovery request message refers to a message that the peer device wants to feed back the current VLAN information, that is, the VLAN list. The preferred one may be a VLAN discovery request message, and the other may be used to let the other party The request message for sending the VLAN information of the device should be included. The VLAN notification message refers to the message that feedbacks the VLAN information, that is, the feedback VLAN list. The preferred one is the VLAN notification message. Other feedback messages that can be used to feed back the VLAN information should be Included.

Specifically, in the foregoing step S101, detecting that the peer device feedbacks the VLAN notification message timeout includes: after transmitting the VLAN discovery request message to the other device, determining whether the VLAN notification message fed back by the counterpart device is received within the preset time, if not Upon receiving, it is considered that the feedback VLAN notification message times out. Specifically, the preset rule is to send a VLAN discovery request message to the opposite terminal according to a preset frequency within a preset time period when detecting that the VLAN notification message times out.

Embodiment 2

The Ethernet initialization method of this embodiment is as shown in FIG. 2. In this embodiment, the VE_PORT port of two switches is taken as an example, and the following steps are included:

Step S201: After the VE_PORT port is UP, a VLAN discovery request message is initiated, and a VLAN keep-alive timer is set, and the time is N seconds; waiting for receiving a VLAN response;

Step S202: After receiving the VLAN discovery request, the peer end responds and sends a unicast VLAN notification message.

Step S203: After receiving the peer VLAN discovery notification message, the local end parses the descriptor, obtains a VLAN list, sets the VLAN ID of the VLAN ID in the list to be active, and proceeds to step S204; if the N seconds have not received the pair End VLAN reply, go to step S205;

Step S204: Select a VLAN with the status of ACTIVE from the list, send a DS message, and proceed to step S208;

Step S205: After the timer reaches N seconds, the VLAN discovery request interface is invoked, and the VLAN discovery packet is continuously sent.

Step S206: After receiving the peer VLAN discovery notification message, the local end parses the descriptor and obtains the VLAN list. The newly added VLAN state is set to ACTIVE, and the deleted VLAN state is set to the inactive state DISABLE.

Step S207: The local end checks the VLAN list. If the VLAN that has failed to establish the link is still ACTIVE, continue to use the VLAN to establish a link, that is, preferentially select the VLAN whose status is ACTIVE and the connection is initiated last time, otherwise reselect the new VLAN to send the DS request;

Step S208: Receive a DA unicast response, and send the ELP to complete the link establishment.

It should be noted that the local end in this example is the transmitting end device; the opposite end is the receiving end device. Moreover, both the transmitting device and the receiving device are Ethernet initialization devices.

Embodiment 3

The embodiment provides an Ethernet initialization device 300, as shown in FIG. 3, including a detection sending module 301 and a receiving chain building module 302, wherein

The detecting and sending module 301 is configured to: when detecting that the feedback signal of the partner device returns a timeout message, send a VLAN discovery request message to the counterpart device according to a preset rule;

The receiving and constructing module 302 is configured to: receive the VLAN notification message fed back by the counterpart device, and establish a link according to the VLAN notification message, where the VLAN notification message includes a current VLAN list of the counterpart device.

Optionally, the detecting and sending module 301 is further configured to: after transmitting the VLAN discovery request message to the other device, determine whether the VLAN notification message fed back by the counterpart device is received within a preset time, if not received , it is considered that the feedback VLAN notification message times out. Specifically, the preset rule is that, when detecting that the VLAN notification packet times out, the VLAN discovery request message is sent to the opposite terminal according to a preset frequency within a preset time period.

The embodiment further provides an Ethernet initialization apparatus 400. As shown in FIG. 4, the method includes a request receiving module 401 and a notification feedback module 402. The request receiving module 401 is configured to: receive a VLAN discovery sent by a counterpart device according to a preset rule. The notification message module 402 is configured to: feed back a VLAN notification message to the counterpart device, where the VLAN notification message includes a current VLAN list of the local end.

The embodiment also provides an Ethernet initialization system, as shown in FIG. 5, including a sending end 501 and a receiving end 502. The sending end 501 is configured to: when the receiving end 502 detects that the VLAN notification message times out, press the preset. The rule sends a VLAN discovery request message to the receiving end 502. The receiving end 502 is configured to: receive the VLAN discovery request message, and feed back a VLAN notification message to the sending end 501, where the VLAN notification message includes the current local end The sender 501 is further configured to: after receiving the VLAN notification message, establish a link according to the VLAN notification message.

The receiving end and the transmitting end in this example are all the above-mentioned Ethernet initializing devices, and are specifically determined according to specific conditions. For example, the transmitting end 501 is the Ethernet initializing device 300, and the receiving end is the Ethernet initializing device 400.

The embodiment of the invention also discloses a computer program, comprising program instructions, when the program instruction is executed by the sending end switch, so that the switch can perform any of the above Ethernet initialization methods.

The embodiment of the invention also discloses a carrier carrying the computer program.

The embodiment of the invention also discloses a computer program, comprising program instructions, when the program instruction is executed by the receiving end switch, so that the switch can perform any of the above Ethernet initialization methods.

Other aspects will be apparent upon reading and understanding the drawings and detailed description.

One of ordinary skill in the art will appreciate that all or a portion of the steps of the above-described embodiments can be implemented using a computer program flow, which can be stored in a computer readable storage medium, such as on a corresponding hardware platform (eg, The system, device, device, device, etc. are executed, and when executed, include one or a combination of the steps of the method embodiments.

Alternatively, all or part of the steps of the above embodiments may also be implemented by using an integrated circuit. These steps may be separately fabricated into individual integrated circuit modules, or multiple modules or steps may be fabricated into a single integrated circuit module. achieve. Thus, the invention is not limited to any specific combination of hardware and software.

The devices/function modules/functional units in the above embodiments may be implemented by a general-purpose computing device, which may be centralized on a single computing device or distributed over a network of multiple computing devices.

When each device/function module/functional unit in the above embodiment is implemented in the form of a software function module and sold or used as a stand-alone product, it can be stored in a computer readable storage medium. The above mentioned computer readable storage medium may be a read only memory, a magnetic disk or an optical disk or the like.

Variations or substitutions are readily conceivable within the scope of the present invention by those skilled in the art and are within the scope of the present invention. Therefore, the scope of the invention should be determined by the scope of the claims.

Industrial applicability

The technical solution of the present invention provides an Ethernet initialization method, device, and system. When detecting that the feedback message of the other device is timed out, the device sends a VLAN discovery request message to the other device according to a preset rule; and receives a VLAN notification message fed back by the other device. , according to the VLAN notification message The link, the VLAN notification message includes the current VLAN list of the other device. Compared with the related art, when the VLAN notification message is not received, that is, when the remote device does not establish a virtual connection and the VLAN changes, the VLAN discovery request message is sent to the other device, so that the other device returns the current VLAN information. The current VLAN information can be used to establish a link, which can avoid the problem that the VLAN information in the related technology is inconsistent and the link fails. Therefore, the present invention has strong industrial applicability.

Claims

An Ethernet initialization method, including:

When detecting that the feedback signal notification message of the opposite device is timed out, sending a VLAN discovery request message to the counterpart device according to a preset rule;

Receiving the VLAN notification message fed back by the counterpart device, establishing a link according to the VLAN notification message, where the VLAN notification message includes a current VLAN list of the counterpart device.
The Ethernet initialization method according to claim 1, wherein the step of detecting that the counterpart device feeds back the VLAN notification message timeout comprises: determining whether to receive the preset time within the sending of the VLAN discovery request message to the counterpart device The VLAN notification message fed back to the counterpart device, if not received, is considered to be timeout by the counterpart device feeding back the VLAN notification message.
The Ethernet initialization method according to claim 1 or 2, wherein the preset rule is that, when detecting that the VLAN notification message times out, the preset frequency is used to the pair within a preset time period. The terminal terminal sends the VLAN discovery request message.
An Ethernet initialization method, including:

Receiving a VLAN discovery request message sent by the other device according to a preset rule;

The VLAN notification message is fed back to the remote device, where the VLAN notification message includes a current VLAN list of the local end.
An Ethernet initialization method, including:

When the sending end detects that the receiving end feedback VLAN notification message times out, the sending end sends a VLAN discovery request message to the receiving end according to a preset rule;

Receiving, by the receiving end, the VLAN discovery request message, and feeding back a VLAN notification message to the sending end, where the VLAN notification message includes a current VLAN list of the local end;

After receiving the VLAN notification message, the sending end establishes a link according to the VLAN notification message.
An Ethernet initialization device includes a detection transmitting module and a receiving chain building module, wherein

The detecting and sending module is configured to: when detecting that the other device sends a feedback VLAN notification message timeout, Sending a VLAN discovery request message to the counterpart device according to a preset rule;

The receiving chain building module is configured to: receive the VLAN notification message fed back by the counterpart device, establish a link according to the VLAN notification message, and the VLAN notification message includes a current VLAN list of the counterpart device.
The Ethernet initialization device according to claim 6, wherein the detection transmitting module is configured to detect that the counterpart device feeds back the VLAN notification message timeout according to the following manner: after transmitting the VLAN discovery request message to the counterpart device, determining that the Whether the VLAN notification message fed back by the counterpart device is received within the set time, if not received, the other device is considered to return a VLAN notification message timeout.
The Ethernet initialization device according to claim 6 or 7, wherein the preset rule is that, when detecting that the VLAN notification message times out, the pair is preset to a frequency within a preset time period. The terminal terminal sends the VLAN discovery request message.
An Ethernet initialization device includes a request receiving module and a notification feedback module, wherein

The request receiving module is configured to: receive a VLAN discovery request message sent by the counterpart device according to a preset rule;

The notification feedback module is configured to: feed back a VLAN notification message to the counterpart device, where the VLAN notification message includes a current VLAN list of the local end.
An Ethernet initialization system, including a sender and a receiver:

The transmitting end includes the Ethernet initialization device according to any one of claims 6-8;

The receiving end includes the Ethernet initialization device of claim 9.