Dear OpenWrt Developers, this is Vasileios Lakafosis, who, as a member of the Cisco Locator/ID Separation Protocol team <http://lisp.cisco.com/> at San Jose, has ported the LISP functionality to OpenWrt. As per the LISP IETF drafts<http://tools.ietf.org/wg/lisp/>, the following source code adds basic LISP xTR (Ingress and Egress Tunnel Router) functionality to OpenWrt-enabled routers providing the OpenWrt users with a way to access and try out the LISP Beta Network<http://www.lisp4.net/beta-network/> and allowing them to benefit from everything LISP can offer, namely IP portability when changing providers, multi-homing across different providers, simple ingress traffic engineering without BGP and, soon, rapid IPv6 transition.
Enabling LISP into OpenWrt requires the addition of essentially three new packages; the user space executable "lispd" (lisp_0.1-1_ar71xx.ipk) and the loadable kernel modules "lisp.ko" (kmod-lisp_mod_2.6.32.27+0.1-1_ar71xx.ipk) and "lisp_int.ko" (kmod-lisp_int_2.6.32.27+0.1-1_ar71xx.ipk). That being said and given that no other pre-existing source code has been modified, you can download the patch file as well as the '.config' (reflecting the package dependency requirements compared to the original .config) from here<http://dl.dropbox.com/u/1995269/all_lisp_changes.patch.tar.gz> . A zipped folder that contains the whole source code of the four packages (the fourth, namely lispconf, being an extra utility to check the lisp map cache) can be downloaded from here<http://dl.dropbox.com/u/1995269/LISP-OpenWrt-source_packages.tar.gz> . Tested on Backfire branch at SVN revision #28461 for target system -> Atheros AR71xx and for target profile -> WRT160NL (cross-compiled with toolchain-mips_r2_gcc-4.3.3+cs_uClibc-0.9.30.1). The corresponding precompiled LISP (openwrt-lisp-ar71xx-wrt160nl-jffs2-factory.bin) image can be downloaded from here<http://dl.dropbox.com/u/1995269/openwrt-lisp-ar71xx-wrt160nl-jffs2-factory.bin> . Please let me know if there is any other information missing that I can provide. Thank you, Vasileios Lakafosis PhD candidate, Georgia Tech
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