1 /* sort -k2,2n */ 2 RTPROT_UNSPEC 0 3 RTPROT_REDIRECT 1 4 RTPROT_KERNEL 2 5 RTPROT_BOOT 3 6 RTPROT_STATIC 4 7 RTPROT_GATED 8 8 RTPROT_RA 9 9 RTPROT_MRT 10 10 RTPROT_ZEBRA 11 11 RTPROT_BIRD 12 12 RTPROT_DNROUTED 13 13 RTPROT_XORP 14 14 RTPROT_NTK 15 15 RTPROT_DHCP 16 16 RTPROT_MROUTED 17 17 RTPROT_BABEL 42 18 RTPROT_BGP 186 19 RTPROT_ISIS 187 20 RTPROT_OSPF 188 21 RTPROT_RIP 189 22 RTPROT_EIGRP 192 23