Monthly Archive: June 2018

Upgrading Active/Standby Clustering Cisco ASA From Version 9.8.2 to 9.9.2

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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Configuring High Availability Site-to-Site IPSec VPN Using VRRP With Huawei Routers

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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Configuring High Availability Site-to-Site IPSec VPN Using HSRP With Cisco Routers

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 Hot Standby Router Protocol (HSRP) with IPSec protocol. VPN devices at the remote branch offices will peer with virtual IP address of HSRP in head office….
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Configuring High Availability Site-to-Site IPSec VPN Using HSRP Between Cisco Routers and ASA Firewall

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 Hot Standby Router Protocol (HSRP) with IPSec protocol. VPN devices at the remote branch offices will peer with virtual IP address of HSRP in head office….
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