The upgrade process of the Juniper EX series switches has recently come into contact with the juniper-branded switches. At the beginning, I had no clue at all, because I had previously renewed the configurations of the cisco Series switches. However,
The combination of Huawei S2000-HI switch and cisco acs for certificationCase: Huawei S2000-HI switch and cisco acs combined certification I. Networking requirements: a company's internal network adopts unified management, send the authentication
Analysis of Cisco Broadband Access configuration method
China Telecom's bandwidth is 2 M and the assigned fixed IP Address: 202.249.11.101 subnet mask: 255.255.255.255.248 Gateway: 202.249.11.20Planned LAN address range: 192.168.0.2-192.168.0.254
Number of clients allowed to access a Wireless Router Based on the ssid I. Networking requirements WX5002, WA2110, H3C POE switch, host (with 11b/g wireless Nic installed) II. Networking DiagramBind two SSID on WA2110: One SSID name is a H3C-10 that
We know that some network operators perform DNS operations for some purpose, so that the correct IP address cannot be obtained through the domain name through the normal internet access settings of the ISP. Common means include DNS hijacking and DNS
At present, there are several technical systems on the boundaries between computing virtualization and network Virtualization: 802.1Qbg, 802.1Qbh, 802.1BR, and Cisco VN-Tag, the objective is to solve the connection, association and perception
There are many things worth learning about the configuration mode of a Cisco router. Here we mainly introduce the mode of user execution and privilege of a Cisco router. Ping is the most commonly used troubleshooting command. It consists of a group
The network administrators started their brains and summed up a lot of network troubleshooting skills. However, by carefully reviewing these skills, we can see that some of the troubleshooting skills are performed on the Windows interface. Although
In a home or small office network, a wireless router is usually directly used to achieve centralized connection and Internet sharing tasks, because the wireless router also has a collection of Wireless AP connection functions. This article will
There should be a lot of friends accessing the Internet through a wireless router. Have you noticed that your router is being watched by others? Is there an encrypted wireless router? Please refer to the following link for more
During this period, I read volume 1 in "TCP/IP details". The biggest feature of this book is that it uses the tcpdump program to capture various network packages, this gives us a definite understanding of the protocols and Algorithms in each layer
DNS Literacy Series 4: Pay attention to the more common domain name migration, domain name migration is to modify the authoritative DNS of the domain name, the original authoritative DNS of the domain name ABC. COM will be migrated from A to B. In
Broadband wireless access technology is worth learning a lot. Here we mainly introduce the DOCSIS-based broadband wireless access technology, from the DOCSIS Protocol release to the current development trend, many related equipment manufacturers use
I. Features of ECHO in Internet voice communicationCompared with traditional telephones, real-time voice transmission over the Internet has a fatal weakness. That is, the quality of voice is poor, and there are many factors that affect the quality
I. Optical Fiber1. OverviewThe optical fiber is similar to the coaxial cable, but there is no mesh shielding layer. The center is the glass core of light transmission. In multimode optical fiber, the core diameter is 15mm ~ 50mm, roughly equivalent
Make the hub port indicator flashing test 10/100 Ethernet uses time domain reflection technology TDR) to measure the cable length and fault distance. A network testing instrument that combines multiple test functions to test the functions of the UTP
◎ Comprehensive layer-7 testing The integrated protocol analyzer fundamentally solves the problem that has plagued network administrators for a long time. It can be tested from the physical layer to the application layer. That is, it starts from the
VoIP vulnerabilities have once become a threat to VoIP and its devices, resulting in unavailability or poor call quality. However, a recent finding shows that some types of VoIP attacks can be used to access the data network and steal
The increasing requirements on network transmission capacity have promoted the further development of the 10 Gbit/s system. The IEEE Institute of Electrical and Electronics Engineers (IEEE) provides a description of the system configurations in LAN)
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