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Configuring IPCop Firewalls by James Eaton-Lee, Barrie Dempster

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Planning Site-To-Site VPN Topologies

In addition to local services such as those illustrated previously with our IPCop deployment, we may also be using the IPSec software in IPCop to configure a 'site-to-site' VPN to a branch or parent office, business partner, support company, or second site. In such situations, topology planning can become important as a network grows.

It is important, if we have more than one site, to consider exactly how we configure our VPN tunnels in order to provide a balance of service and stability to our clients. In a situation in which two branch offices attached to a main office both contain fileservers synchronizing content with each other, for instance, it would make little or no sense to setup two VPN tunnels from ...

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