ipsec vpn
源代码在线查看： spi1-output.txt
IP 192.1.2.23 > 192.1.2.45: ESP(spi=0x01000583,seq=0x1), length 104: IP 192.0.2.1 > 192.0.1.1: ICMP echo request seq 1280, length 64 (ipip-proto-4) IP 192.1.2.23 > 192.1.2.45: ESP(spi=0x01000583,seq=0x2), length 104: IP 192.0.2.1 > 192.0.1.1: ICMP echo request seq 1536, length 64 (ipip-proto-4) IP 192.1.2.23 > 192.1.2.45: ESP(spi=0x01000583,seq=0x3), length 104: IP 192.0.2.1 > 192.0.1.1: ICMP echo request seq 1792, length 64 (ipip-proto-4) IP 192.1.2.23 > 192.1.2.45: ESP(spi=0x01000583,seq=0x4), length 104: IP 192.0.2.1 > 192.0.1.1: ICMP echo request seq 2048, length 64 (ipip-proto-4) IP 192.1.2.23 > 192.1.2.45: ESP(spi=0x01000583,seq=0x5), length 104: IP 192.0.2.1 > 192.0.1.1: ICMP echo request seq 2304, length 64 (ipip-proto-4) IP 192.1.2.23 > 192.1.2.45: ESP(spi=0x01000583,seq=0x6), length 104: IP 192.0.2.1 > 192.0.1.1: ICMP echo request seq 2560, length 64 (ipip-proto-4) IP 192.1.2.23 > 192.1.2.45: ESP(spi=0x01000583,seq=0x7), length 104: IP 192.0.2.1 > 192.0.1.1: ICMP echo request seq 2816, length 64 (ipip-proto-4) IP 192.1.2.23 > 192.1.2.45: ESP(spi=0x01000583,seq=0x8), length 104: IP 192.0.2.1 > 192.0.1.1: ICMP echo request seq 3072, length 64 (ipip-proto-4)
