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1. Overview Link aggregation between Cisco switch and Huawei switch can cause connection problem if we don not configure int correctly. One of the common problem is we will get packet loss frequently for point to point between switches. In this article will show show how to configure LACP…
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1. Overview The function of Network Address Translation (NAT) is to translation a private IP address to into a public IP address that connected to the internet before packets are forwarded to another network. NAT can advertise a single public IP address for the entire local private network to…
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1. Overview GLPI is an open-source IT asset management software which the most useful features such as network inventory software, server asset management or computer asset management, hardware asset management, software asset management, and IT asset tracking . It is a good IT asset management software used to build up a database with an…
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1. Objective In this tutorial will explain you how to fix the issue when one mac address of Cisco ASA firewall is mapped to many IP addresses in the ARP table. 2. Problem Description There is one Cisco ASA firewall running IOS version 9.x connect to the internet….
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1. Overview Cacti is an open-source, web-based network monitoring and graphing tool used to get a graph data such as CPU usage, memory usage, network bandwidth utilization, and more. It can graph the network traffic by polling a router or switch using SNMP protocol. In this article will show how…
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1. Overview A Site-to-Site IPSec VPN is used to connect between two Local Area Networks (LANs) of a company offices or branches which are geographically separated. The data traffic flows between each location or site is over the internet or public network with a secure VPN tunnel. An advanced…
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1. Overview The Apache web server is one of the most popular and powerful among all of the web servers available in the world. It is an open-source web server that can be configured to serve a single or multiple websites with ease of administration and flexibility. In this…
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1. Overview The Secure Sockets Layer, SSL, is a cryptographic protocol used for securing a communication between users and a web server. The SSL certificate encrypt the data session traveling through the internet. A self singed certificates are free to use, but it is not trust by any browser….
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1. Overview In the previous article we had implemented IPSec VPN site-to-site between head office and branch office. Normally as the business grow, there are more branch offices to be created. So, we need to configure another IPSec VPN site-to-site between head office and the new created branch office….
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1. Overview The price of Cisco network device is very expensive comparing to Huawei network device. Due to budget limitation, some companies would prefer to use Huawei device such as router to be the VPN gateway instead of Cisco devices. In this article will demonstrate how to configure site-to-site…
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