Category Archives: basic configuration

connection to ssh server by stelnet and sftp

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Today I would like to focus on SSH application. What I want to do is to configure SSH connection between two switches, using password and RSA authentication:

  • Connection between stelnet client and SSH server
  • Connection between SFTP client and SSH server.

Let’s look at the simple SSH topology:

ssh topology Continue reading

basic NTP configuration on Huawei devices

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Network Time Protocol (NTP) is one of the oldest Internet protocols. It is used for clock synchronization between computer systems over packet-switched data networks.  Because it was designed to operate in variable-latency environment, NTP can achieve up to 1 millisecond accuracy in local area networks and tens of milliseconds when running over the Internet. NTP can be a very useful tool especially, when we want to correlate issues during network failures. Continue reading

file system of NE40E

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How to manage storage devices, directories and files on Huawei’s equipment?

I will try to introduce the file system based on NE40E routers.

NE40E, as most of carrier class Huawei’s devices, has two MPU boards. Each board is equipped with two CFcards. The first CFcard, inside the board, is used for storing software and configuration’s files. The second one, at the front panel of the board, stores log files. Some of Huawei’s devices use flash memory to store all necessary files.

The file system manages files and directories in the storage device by creating, deleting, modifying, renaming files or directories and displaying contents of the files. Continue reading

cheat sheet – huawei CLI

I have been describing Huawei datacom devices on my blog since July 2011. I started with some basic information about Huawei CLI, access methods and upgrade procedures. Then I showed you more advanced topics like PBR, DHCP etc. I am pleasantly surprised that this blog is visited by people from all continents, even from countries I have never heard about. As this blog is getting more and more popular I will do my best to publish more interesting posts.

As we went through a some stage, I have decided to prepare a cheat sheet describing Huawei CLI. You can download it as PDF, print and keep it :). I hope it will be useful for you. Continue reading