Vyatta Network OS Documentation

Learn how to install, configure and operate the Vyatta NOS, which helps drive our virtual networking & physical platforms portfolio.

Packet processing

The following figure shows the forwarding pipeline stages for processing of incoming IPv6 packets. Incoming IPv6 packets are processed by IPv6 (in) and IPv4 (in), and IPv4 (out) firewalls.

Figure 1. Forwarding pipeline stages

The following figure shows the reverse pipeline stages for processing incoming IPv4 packets. Outgoing IPv4 packets are processed by the IPv4 (in), and IPv6 (in) and IPv6 (out) firewalls.

Figure 2. Reverse pipeline stages