Projects / XORP


XORP is the eXtensible Open Router Platform, an open-source router software stack. The goal is to develop a software router platform that is stable and fully featured enough for production use, and flexible and extensible enough to enable network research. It implements routing protocols for IPv4 and IPv6 and a unified means to configure them.


Recent releases

  •  23 Jun 2012 03:56

    Release Notes: Numerous bugfixes.

    •  29 Nov 2011 19:39

      Release Notes: This release adds async-XRL support. It fixes a bug in deleting non-VLAN interfaces. It fixes a BSD-related crash when adding an interface with the same ifindex as a previous interface. It fixes a multicast bug that totally breaks XORP multicast on recent Linux kernels.

      •  11 Apr 2011 06:57

        Release Notes: Numerous bugfixes and enhancements were made.

        •  03 Feb 2009 18:38

          Release Notes: Improved memory performance in the BGP code. XRL performance improvements. Improved policy code. VRRP support. Numerous bugfixes and code cleanups.

          •  22 Mar 2007 00:39

            Release Notes: This release implements OSPFv3 (draft-ietf-ospf-ospfv3-update-14.txt). It also contains numerous bugfixes and cross-compilation support for various processors: IA-64, MIPS (Broadcom for Linksys WRT54G), PowerPC-603, Sparc64, and XScale. The new supported systems are: DragonFlyBSD 1.8, FreeBSD 6.2, Linux Fedora Core6, Linux Debian 3.1 (sarge), NetBSD 3.1, and OpenBSD 4.0.

            Recent comments

            21 Sep 2011 17:46 greear


            Could the owner of the 'xorp' account please contact me (Ben Greear: I would like to coordinate updating this entry when I do a xorp release.



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