Open Software Projects

Linux Kernel

The IPv6 dataplane functionalities for Segment Routing are available in the Linux Kernel. Find out how to start using SR on any Linux host.


P4 (named for “Programming Protocol-independent Packet Processors”) is a domain specific programming language for expressing how packets are processed by the data plane of a forwarding element such as a hardware or software switch, network interface card, router, or network appliance.

The Fast Data Project (

Cisco has funded an extensive implementation of SRv6 in open-source project VPP. Find out how to leverage this platform in your network architecture.

SR-aware applications


SERA is a SEgment Routing Aware firewall that extends the Linux iptables firewall. It’s capable of applying the iptables rules to the inner packet of received SR traffic.


Snort is an open-source network intrustion detection and prevention system. SR-Snort is an extended version of Snort with added capabilities.


TCPdump is a common packet analyzer.


Wireshark is a free and open source packet analyzer. It is used for network troubleshooting, analysis, software and communications protocol development, and education.


nftables replaces the popular {ip,ip6,arp,eb}tables. This software provides a new in-kernel packet classification framework. We have added SR capabilities to it.


SRv6 aware tool for analyzing SRv6 packets on the wild internet.