> For the complete documentation index, see [llms.txt](https://docs.pritunl.com/kb/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.pritunl.com/kb/vpn/servers/site-to-site.md). # Site-to-Site Site-to-site VPN with linked servers Site-to-site configurations are often unnecessary and should be avoided. If the only use for a site-to-site configuration is to provide remote users access to multiple sites creating a server at each site without linking will be more reliable and maintainable. Remote users can then connect to each site individually. If communication between servers at each site is required or users need to be able to connect to a single VPN server several services are available to interconnect networks such as AWS Direct Connect, Google Direct Peering and Azure ExpressRoute. These services partner with network providers using dedicated networks and hardware and will outperform any site-to-site VPN running on virtual instances. Additionally features such as replication are not available with linked servers. --- # Agent Instructions This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com. ## Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation by asking a question. Perform an HTTP GET request on the following URL with the `ask` and `goal` query parameters: ``` GET https://docs.pritunl.com/kb/vpn/servers/site-to-site.md?ask=&goal= ``` `ask` is the immediate question: it should be specific, self-contained, and written in natural language. `goal` is what the user is ultimately trying to achieve, the reason they need the answer. Sharing it helps GitBook give you a better, more relevant answer. A goal is most helpful when it describes the outcome the user wants rather than restating the question. For example, with `ask=how do I create an API token`, a goal like `automate deployments from our CI pipeline` lets GitBook tailor the answer to that use case. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.