News

How to determine if there is an IP conflict? Just capture a packet

Whether you are working in the network, weak current or operation and maintenance, you must be aware that there are two types of IP conflicts:

2025-04-03

Actual combat case: After the firewall, some computers in the company cannot access

The client company is an e-commerce enterprise. Recently, it was suddenly discovered that several computers could not access a specified service website.

2025-04-02

Practical case: The most common wireless bridging problems in industrial networks!

Recently, we undertook an automated workshop project for a top company in the logistics industry. The cases shared in this issue are issues related to industrial wireless networks.

2025-04-02

90% of people got it wrong! Can TCP and UDP use the same port? (Byte Interview Question)

Today I want to share with you a classic ByteDance interview question: Can TCP and UDP use the same port?

2025-04-01

Learn! Ten frequently asked questions in OSPF interviews

In network engineer interviews, OSPF-related questions are often asked, and a deep understanding of its principles, configuration,

2025-04-01

A super awesome container management tool Container Desktop

Container Desktop is a cross-platform desktop companion tool for Podman, providing a lightweight graphical interface to simplify container management operations.

2025-03-31

How are the frequency bands and channels of 2.4G and 5G divided?

If two 20MHz channels are bundled together into a 40MHz channel and data is sent to a wireless terminal at the same time, theoretically the data channel width is doubled and the data rate will also be doubled.

2025-03-31

Beyond Sidecar: In-depth analysis of Istio Ambient Mode's traffic mechanism

In Ambient mode, Istio CNI injects iptables rules into the Pod network namespace to transparently intercept outbound traffic to the ztunnel process of the node.

2025-03-29

Essential Edition: Frequently Asked Questions about PoE Power Supply

The difference between standard PoE and non-standard PoE can be understood in one sentence: the power supply device and the powered device negotiate through a protocol to provide a power supply technology with dynamic power consumption.

2025-03-29

Case: Fan feedback: The router login page can be opened, but an error message appears after entering the account/password

The company has one headquarters and three branches, A, B, and C. The headquarters has a public IP address, while the branches have private IP addresses. This issue shares issues related to the enterprise network.

2025-03-28

Ruijie WLAN product shipments ranked first in 2024

Ruijie Networks' outstanding performance in the enterprise-level WLAN market is inseparable from its continuous investment in technological innovation and deep understanding of customer needs.

2025-03-28

Say goodbye to single point of failure: Implement efficient bonding link aggregation in Linux system

Inthenetworkarchitectureofmission-criticalservers,thereisahighriskofrelyingsolel

2025-03-27

F5 ADC 3.0 drives enterprise intelligent transformation with innovative application delivery in the AI era Original

TheexplosionofAItechnologyhasnotonlychangedthebusinessmodel,butalsocompletelyove