1RTPROT_UNSPEC 2RTPROT_REDIRECT 3RTPROT_KERNEL 4RTPROT_BOOT 5RTPROT_STATIC 6RTPROT_GATED 7RTPROT_RA 8RTPROT_MRT 9RTPROT_ZEBRA 10RTPROT_BIRD 11RTPROT_DNROUTED 12RTPROT_XORP 13RTPROT_NTK 14RTPROT_DHCP 15RTPROT_MROUTED 16RTPROT_BABEL 17