Author Archive: techspacekh
techspacekh
June 9, 2019
1. Overview The configuration file of the network devices needs to be backed up in a timely manner to ensure device security, reliability, and availability of services. In case of a fault occurs on a device, the backup configuration file can be restore to the device to quickly for the…
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techspacekh
June 9, 2019
1. Overview The configuration file of the network devices needs to be backed up in a timely manner to ensure device security, reliability, and availability of services. In case of a fault occurs on a device, the backup configuration file can be restore to the device to quickly for the…
Read more
techspacekh
April 10, 2019
1. Overview The configuration file of the network devices needs to be backed up in a timely manner to ensure device security, reliability, and availability of services. In case of a fault occurs on a device, the backup configuration file can be restore to the device to quickly for the…
Read more
techspacekh
March 14, 2019
1. Overview PHP Weathermap is an open-source, web-based network monitoring and graphing tool used to take data from your network devices and use it to provide a single-page overview of the current state of network to produce it’s maps of network. It help Network Administrator to identify the uplink congestion in…
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techspacekh
February 26, 2019
1. Overview When doing the network architecture design with Huawei Firewall USG6000, we have to aware that the key places on the production network environment are usually require two network devices for high availability. In this article, we will configure active/standby on Huawei firewall model USG6000. So, when one firewall…
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techspacekh
January 17, 2019
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 and vice versa. NAT can advertise a single public IP address for the entire local…
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techspacekh
June 28, 2018
1. Overview There could be many reasons to always upgrade Cisco ASA firewall IOS software to the latest version. The most common reasons are first to fix the bug, second to fix security vulnerability, and the last one is for the stability reason. In the clustering environment of Cisco…
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techspacekh
June 28, 2018
1. Overview There could be many reasons to always upgrade Cisco ASA firewall IOS software to the latest version. The most common reasons are first to fix the bug, second to fix security vulnerability, and the last one is for the stability reason. Since the firewall is not clustered,…
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techspacekh
June 15, 2018
1. Overview To achieve the high availability purpose of site-to-site IPSec VPN between head office and remote branch offices, we need to combine Virtual Router Redundancy Protocol (VRRP) with IPSec protocol. VPN devices at the remote branch offices will peer with virtual IP address of VRRP in head office….
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techspacekh
June 10, 2018
1. Overview Virtual Router Redundancy Protocol (VRRP) is the open standard version of Cisco proprietary protocol called HSRP, so it can support products from different vendors including Huawei devices. The VRRP protocol works exactly the same as HSRP in providing a gateway using one virtual IP address. One of…
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