Network packet loss notification method, monitoring device, switch and storage medium
A packet loss and network technology, which is applied in the field of monitoring devices, switches and storage media, and the notification method of network packet loss, can solve problems such as growth, complex simulation analysis process, and inability to realize network packet loss diagnosis, achieving increased complexity, The effect of precise diagnostic accuracy
Active Publication Date: 2022-07-19
RUIJIE NETWORKS CO LTD
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Problems solved by technology
For cross-chip forwarding switches, a large number of registers are involved in different chip pipeline stages. If the above method is used to diagnose network packet loss on cross-chip switches, the register information to be collected will increase exponentially, making the simulation analysis process extremely complicated. Diagnosis of network packet loss is not possible at all
That is, the above method does not apply to switches that forward across chips
Method used
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[0114] In the embodiment of the present application, the chip in the switch is BCM5686x as an example for description. It is assumed that the target packet to be identified is an Internet Control Message Protocol (ICMP) packet with a source MAC address of 1.1.1.1 and a destination MAC address of 1.1.1.2.
[0115] Pre-set the rules in the rule group under the FP module, and change the properties of the index of the flexible counter. The index of the flexible counter is a combination of different fields, and each combination corresponds to a resource pool pool of the flexible counter. Specifically, setting the field combination of CNG field + PORT field + DROP field corresponds to the input of the first resource pool of the flexible counter, and setting this field combination of CNG field + COS field + DROP field corresponds to the first input of the flexible counter 2. Resource pool input.
[0116] see image 3 As shown in the pipeline, firstly identify the ICMP messages who...
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The present application relates to the technical field of computer networks, and in particular, to a method for notifying network packet loss, a monitoring device, a switch, and a storage medium. The method includes: identifying the target message from the received message flow; obtaining the stage status information corresponding to the target message in each processing stage in real time; In the processing stage, the index of the counter is set to the preset value corresponding to the processing stage; based on the set index, the counter is triggered to count, so that the register value of the counter increases correspondingly, and the corresponding increase information is output, and the increase information is used for diagnosis The specific location where the packet loss occurred. This application implements the function of automatically notifying the outside world when a packet is discarded, and is suitable for switches that are forwarded across chips. It can not only diagnose whether packets are lost in the switch, but also locate the port through which the target packet passes. The accuracy of the diagnosis location can be specified. to part of the processing stage inside the switch.
Description
technical field [0001] The present application relates to computer network technology, and in particular, to a method for notifying network packet loss, a monitoring device, a switch, and a storage medium. Background technique [0002] Network packet loss refers to the phenomenon that a small part of data in the data stream transmitted by the network cannot reach the designated destination through the network. The network packet loss rate refers to the ratio of the number of lost packets in the test to the total number of sent packets. The calculation method is [(input packets - output packets) / input packets]*100%. In a network environment, there may be many reasons for network packet loss, such as signal attenuation caused by multi-path fading, channel blocking, network driver failure, switch failure, device configuration problems, and other device attacks, etc. Network packet loss. [0003] Network packet loss may cause jitter in streaming media, online games, and video ...
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IPC IPC(8): H04L47/2483H04L47/32H04L47/33
CPCH04L47/2483H04L47/32H04L47/33
Inventor 晏福旗汪建惠
Owner RUIJIE NETWORKS CO LTD