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VPN connection between two sites

Please i want to configure site to site VPN between my company head office router and my company branch routers through a firewall wall to access sets of linus servers at the head office.please i need simple documentation or sample configuration to achieve this.Also i would like to know where the firewall will come in and what is the configuration for it.thanks for usual assistance on this forum

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Re: VPN connection between two sites

Hi,

This is a simple document that shows how to establish a Site-to-Site VPN between two cisco routers (including a VPN client also):

http://www.cisco.com/en/US/tech/tk583/tk372/technologies_configuration_example09186a0080094685.shtml

Also, if the tunnel goes through a Firewall, make sure the following is allowed:

Protocol ESP

UDP port 500

UDP port 4500

Federico.

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