Vyatta NOS documentation

Learn how to install, configure, and operate Vyatta Network Operating System (Vyatta NOS), which helps to drive our virtual networking and physical platforms portfolio.

A GRE tunnel with authentication

In this section, some additional parameters are specified for the tunnel interfaces that are defined in the previous section.

  • A key is specified so that the hosts can authenticate each other. This key must match on the two endpoints. Note that authentication is not encryption.
  • The time to live (TTL), Type of Service (ToS), and maximum transmission unit (MTU) are specified for each endpoint.
  • A firewall rule set is applied to each tunnel interface.