One of the most common tasks dealing with Cisco 881 and other routers is building a site to site VPN tunnel between different geographic locations. Today we will look at an example setting up a VPN tunnel between a main office and a remote branch office.. At our disposal, we have: Cisco 2800 router in the main office (R-MAIN) Main office user LAN 192.168.10.0 /24

1. Overview . In the previous article we had talked about configuring IPSec VPN site-to-site between head office and branch office with two Cisco ASA firewall appliances. Sometime, there is a case that both sites are not using the same devices. In this article will show you how to configure IPSec VPN site-to-site between Cisco ASA firewall appliance and Cisco Router. Configuring a Site-to-Site VPN on a Cisco Router Configuring a Site-to-Site VPN The process of configuring a site-to-site VPN involves several steps: 1. Phase One configuration involves configuring the key exchange. This process uses ISAKMP to identify the hashing algorithm and authentication method. It is also one of two places where you must identify the peer at the opposite end of the tunnel. Microsoft Azure To Cisco ISR Router Site to Site VPN Azure to Cisco VPN – ‘Failed to allocate PSH from platform’ So the firewall was a non-starter, but Cisco ISR routers are supported, and they can handle virtual tunnel interfaces (VTI’s). So I used a Cisco ISR 1921 router, sat that beside the firewall, and gave that a public IP.

Hi, im searching for solution to my problem with vpn connection. On one site i have ASA on other site is a dsl line with d-link router and cisco 871 router. Scheme is in attachement. I need to setup site-to-site ipsec VPN between my cisco 871 (ethernet WAN/LAN) and ASA. I can`t switch D-link to

Site to Site VPN between Cisco ASA and Router

Part 2: Configure a Site-to-Site VPN with Cisco IOS

crypto isakmp policy 1 encr aes hash sha authentication pre-share group 2 lifetime 86400 crypto isakmp key SecretK3y address 1.1.1.1 ip access-list extended VPN-ACL permit ip 20.20.20.0 0.0.0.255 10.10.10.0 0.0.0.255 crypto ipsec transform-set VPN-TS esp-aes esp-sha-hmac crypto map VPN-C-MAP 10 ipsec-isakmp set peer 1.1.1.1 set transform-set VPN-TS match address VPN-ACL interface Serial0/1/0