CN110601947A - Communication method and system based on ring network and link aggregation - Google Patents
Communication method and system based on ring network and link aggregation Download PDFInfo
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- CN110601947A CN110601947A CN201910849251.XA CN201910849251A CN110601947A CN 110601947 A CN110601947 A CN 110601947A CN 201910849251 A CN201910849251 A CN 201910849251A CN 110601947 A CN110601947 A CN 110601947A
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- ring network
- link
- communication
- switch
- aggregation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/42—Loop networks
- H04L12/437—Ring fault isolation or reconfiguration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/24—Multipath
- H04L45/245—Link aggregation, e.g. trunking
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/12—Avoiding congestion; Recovering from congestion
- H04L47/125—Avoiding congestion; Recovering from congestion by balancing the load, e.g. traffic engineering
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Small-Scale Networks (AREA)
Abstract
The utility model provides a communication method and system based on ring network and link aggregation, which binds a plurality of low bandwidth ports of a switch into a high bandwidth link to realize the aggregation of a plurality of network ports and is responsible for the data forwarding of each specific port; constructing a communication ring network, starting a spanning tree protocol on each switch, placing a communication port of at least one link in a blocking state on a formed loop, and logically disconnecting the loop; data is transmitted through any link in the aggregation links and the configured communication ring network, and when a line fails, the disconnected loop port is activated to recover communication; the ring network mode is combined with the link aggregation function of the switch, so that the safety and the bandwidth of the network are improved, a network storm can not be formed, and the safety of the link is also improved.
Description
Technical Field
The present disclosure relates to the field of communications technologies, and in particular, to a communication method and system based on a ring network and link aggregation.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
With the continuous expansion of information systems, the services borne by some office places are increasingly important, the requirements on network quality are high, and meanwhile, the requirements on link load of data such as voice and video transmission and the like borne in the network are increasingly increased.
The inventor of the present disclosure finds that (1) due to the complexity of the actual network topology, the phenomena of partial link network traffic being larger and load being unbalanced are often formed; (2) most of the devices are connected by a single link, and the security cannot be guaranteed, especially between the township trunk networks.
Disclosure of Invention
In order to solve the defects of the prior art, the present disclosure provides a communication method and system based on ring network and link aggregation, which improves the bandwidth and the security of the network, does not form a network storm, and also increases the security of the link through the ring network mode and the link aggregation function of the switch.
In order to achieve the purpose, the following technical scheme is adopted in the disclosure:
in a first aspect, the present disclosure provides a communication method based on ring network and link aggregation, including the following steps:
binding a plurality of low-bandwidth ports of the switch into a high-bandwidth link to realize the aggregation of a plurality of network ports and take charge of the data forwarding of each specific port;
constructing a communication ring network, starting a spanning tree protocol on each switch, placing a communication port of at least one link in a blocking state on a formed loop, and logically disconnecting the loop;
data is transmitted through any link in the aggregation links and the configured communication ring network, and when a line fails, the disconnected loop port is activated, and communication is recovered.
As some possible implementation manners, the spanning tree protocol is enabled on each switch, and the parameters and configurations of the switches in the same sub-ring are the same, so that spanning trees are consistent when the spanning tree protocol negotiates among the switches.
By way of further limitation, the number of switches in each sub-ring is less than 8.
By way of further limitation, the switch port states include a blocking state, a listening state, a learning state, and a forwarding state, and the spanning tree protocol places a corresponding disconnect on the looped ports in the blocking state.
As a further limitation, log-in to the master switch, use the show mapping-tree vlan7 command to view the ring network interface state, if both interface states are forwarding states, then use the show cdp neighbors to view his neighbor switches.
As a further limitation, the network logs in to the neighboring switch and continues to use the show mapping-tree vlan7 command until the interface state of one switch is seen to be the blocking state, which indicates that the traffic on the ring network is normal, and the spanning tree protocol blocks one port.
As some possible implementations, spanning tree protocol is enabled on each switch, and broadcast storms are prevented in the two-tier network by logically breaking the loop based on the characteristics of the spanning tree protocol.
As some possible implementation manners, the load sharing is realized by controlling a plurality of switches connected together in a link aggregation manner and distributing data to the devices connected in the aggregation manner.
As some possible implementations, the communication ring network includes a plurality of sub-rings, wherein at least one sub-ring is in a forwarding state and at least one sub-ring is in a blocking state.
In a second aspect, the present disclosure provides a communication system based on ring network and link aggregation, which includes a plurality of switches, where the switches communicate with each other by using the communication method based on ring network and link aggregation described in the present disclosure.
Compared with the prior art, the beneficial effect of this disclosure is:
1. the present disclosure utilizes the feature of spanning tree protocol that STP is used to logically break the loop to prevent the broadcast storm of the two-layer network, and the spanning tree protocol will put it in a blocking state on the ports forming the loop, thus logically breaking the loop and improving the reliability of the link.
2. The content of the disclosure can increase the bandwidth of the logical link by several times through link aggregation, and in addition, the reliability of the network transmission after aggregation is greatly improved, because only one link can work normally, the link can communicate normally.
3. The content of the present disclosure can realize load balancing through link aggregation, and two switches connected together through link aggregation can reasonably distribute data on aggregated connected devices through internal control, so as to realize load sharing.
Drawings
Fig. 1 is a flowchart of a communication method based on a ring network and link aggregation according to embodiment 1 of the present disclosure.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present disclosure. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of the stated features, steps, operations, devices, components, and/or combinations thereof.
Example 1:
as shown in fig. 1, an embodiment 1 of the present disclosure provides a communication method based on a ring network and link aggregation, which includes the following steps:
binding a plurality of low-bandwidth ports of the switch into a high-bandwidth link to realize the aggregation of a plurality of network ports and take charge of the data forwarding of each specific port;
constructing a communication ring network, starting a spanning tree protocol on each switch, placing a communication port of at least one link in a blocking state on a formed loop, and logically disconnecting the loop;
data is transmitted through any link in the aggregation links and the configured communication ring network, and when a line fails, the disconnected loop port is activated, and communication is recovered.
The method for performing link aggregation by using one of the mainstream switches in the market is introduced as follows:
2.1.1channel-group 1mode autovoldediblepasspassive adding a physical port to Portchnnel, auto of this command: passive negotiation; on: not negotiating; desired: carrying out active negotiation;
2.1.2interface port-channel/ingress Convergence interface configuration mode
4507R(Config)#interface port-channel 1
4507R(config-if-port-channel1)#
2.1.3 Link aggregation configuration:
4507R+interface Port-channell4507R(config-if-port-channell#switchport trunk encapsulation dot1q
4507R(config-if-port-channel1)#switchport trunk allowed vlan 1,8,17
4507R(config-if-port-channel1)#switchport mode trunk
！
add port gi10/11-12 to port-channel 1channel
4507R(Config)interface range Gigabitethernet1/0/11-12
4507R(config-if)#description tojy4507-mis2-gi7/5
4507R(config-itf)#switchport trunk encapsulation dot1q
4507R(config-if)#switchport trunk allowed vlan 1.8.17
4507R(config-if)#switchport mode truk
4507R(Config-if)#channel-group 1mode desirable
！
#3750R：
Port-channel2 setup on 3750R switch
Channels to which gi6/5 and gi7/5 were also added.
After the configuration is successful, at this time, the ports 1/0/11 and 1/0/12 of the cisco4507R are converged into a convergence Port, the name of the convergence Port is Port-Channel1, and the ports gi6/5 and gi7/5 of the cisco 3750R are converged into a convergence Port, the name of the convergence Port is Port-Channel 2.
And starting a spanning tree protocol on each switch, wherein the parameters and the configuration of the switches in the same sub-ring are the same, so that spanning trees are consistent when the spanning tree protocols are negotiated among the switches, and the number of the switches in each sub-ring is less than 8.
The switch port states include a blocking state, a listening state, a learning state, and a forwarding state, and the spanning tree protocol places a corresponding disconnect on the looped ports in the blocking state.
The concrete mode is as follows: logging in a main switch, checking the ring network interface state by using a show mapping-tree vlan7 command, and checking the neighbor switches of the main switch by using show cdp neighbor switches if the two interface states are forwarding states; logging in a neighbor switch and continuing to use a show sounding-tree vlan7 command until the interface state of one switch is a blocking state, indicating that the service on the ring network is normal, and blocking one port by the spanning tree protocol.
A spanning tree protocol is enabled on each switch, and broadcast storms are prevented from occurring in the two-layer network by logically breaking the loops based on the characteristics of the spanning tree protocol.
The load sharing is realized by controlling a plurality of switches connected together in a link aggregation way and distributing data to the equipment connected in the aggregation way.
The communication ring network comprises a plurality of sub-rings, wherein at least one sub-ring is in a forwarding state and at least one sub-ring is in a blocking state.
Example 2:
the embodiment 2 of the present disclosure provides a communication system based on a ring network and link aggregation, which includes a plurality of switches, where the switches communicate with each other by using the communication method based on the ring network and link aggregation according to the embodiment 1 of the present disclosure.
The above description is only a preferred embodiment of the present disclosure and is not intended to limit the present disclosure, and various modifications and changes may be made to the present disclosure by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.
Claims (10)
1. A communication method based on ring network and link aggregation is characterized by comprising the following steps:
binding a plurality of low-bandwidth ports of the switch into a high-bandwidth link to realize the aggregation of a plurality of network ports and take charge of the data forwarding of each specific port;
constructing a communication ring network, starting a spanning tree protocol on each switch, placing a communication port of at least one link in a blocking state on a formed loop, and logically disconnecting the loop;
data is transmitted through any link in the aggregation links and the configured communication ring network, and when a line fails, the disconnected loop port is activated, and communication is recovered.
2. The communication method according to claim 1, wherein a spanning tree protocol is enabled on each switch, and parameters and configurations of switches in the same sub-ring are the same, so that spanning trees are consistent when the spanning tree protocols negotiate between the switches.
3. The method of claim 2, wherein the number of switches in each sub-ring is less than 8.
4. The method of claim 3, wherein the switch port status includes a blocking status, a listening status, a learning status, and a forwarding status, and the spanning tree protocol places a corresponding disconnect on the looped ports in a BLOCK blocking status.
5. A communication method based on ring network and link aggregation as claimed in claim 3, characterized in that, logging in to the master switch, using show mapping-tree vlan7 command to view the ring network interface status, if both interface statuses are forwarding status, then using show cdp neighbors to view his neighbor switches.
6. The method as claimed in claim 5, wherein the log-in to the neighbor switch continues to use the show _ tree _ vlan7 command until the interface status of one switch is the blocking status, which indicates that the traffic on the ring network is normal, and the spanning tree protocol blocks one port.
7. The method of claim 1, wherein a spanning tree protocol is enabled on each switch, and broadcast storms are prevented in a two-tier network by logically breaking a loop based on the characteristics of the spanning tree protocol.
8. The communication method based on ring network and link aggregation as claimed in claim 1, wherein the load sharing is implemented by controlling a plurality of switches connected together by link aggregation to distribute data to the devices connected by the aggregation.
9. The ring network and link aggregation based communication method of claim 1, wherein the communication ring network comprises a plurality of sub-rings, at least one of which is in a forwarding state and at least one of which is in a blocking state.
10. A communication system based on ring network and link aggregation, comprising a plurality of switches, wherein the switches communicate with each other by using the communication method based on ring network and link aggregation according to any one of claims 1 to 9.
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| CN201910849251.XA CN110601947A (en) | 2019-09-09 | 2019-09-09 | Communication method and system based on ring network and link aggregation |
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| CN201910849251.XA CN110601947A (en) | 2019-09-09 | 2019-09-09 | Communication method and system based on ring network and link aggregation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112995807A (en) * | 2021-03-22 | 2021-06-18 | 烽火通信科技股份有限公司 | Method and device for setting port forwarding state in OLT group ring network |
| CN114095408A (en) * | 2021-11-10 | 2022-02-25 | 中国航空工业集团公司雷华电子技术研究所 | Radar processor Ethernet debugging dynamic reconfiguration system |
| CN114124805A (en) * | 2021-09-18 | 2022-03-01 | 重庆金美通信有限责任公司 | Method for transmitting data by one skip in non-token ring network |
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| CN103905326A (en) * | 2012-12-28 | 2014-07-02 | 迈普通信技术股份有限公司 | Ethernet link aggregation packet forwarding control method and network equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112995807A (en) * | 2021-03-22 | 2021-06-18 | 烽火通信科技股份有限公司 | Method and device for setting port forwarding state in OLT group ring network |
| CN112995807B (en) * | 2021-03-22 | 2022-06-24 | 烽火通信科技股份有限公司 | Method and device for setting port forwarding state in OLT group ring network |
| CN114124805A (en) * | 2021-09-18 | 2022-03-01 | 重庆金美通信有限责任公司 | Method for transmitting data by one skip in non-token ring network |
| CN114124805B (en) * | 2021-09-18 | 2023-09-12 | 重庆金美通信有限责任公司 | Method for forwarding data in non-token ring network in one hop |
| CN114095408A (en) * | 2021-11-10 | 2022-02-25 | 中国航空工业集团公司雷华电子技术研究所 | Radar processor Ethernet debugging dynamic reconfiguration system |
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