1GNU Zebra is free software that manages various IPv4 and IPv6 routing 2protocols. 3 4Currently GNU Zebra supports BGP4, BGP4+, OSPFv2, OSPFv3, RIPv1, 5RIPv2, and RIPng. 6 7See the file INSTALL for building and installation instructions. 8 9See the file REPORTING-BUGS to report bugs. 10 11GNU Zebra is free software. See the file COPYING for copying conditions. 12 13