> For the complete documentation index, see [llms.txt](https://docs.jtokenapp.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.jtokenapp.com/router-v520s/configuration/application/gre-tunnel.md).

# GRE Tunnel

## GRE Tunnel

In this section, it allows the user to configure GRE tunnel. But before setting, please try to obtain the related parameters of VPN server first. Please check below details:

![](/files/-MSwJZSVCN71pHvlMcVj)