4 # Example ESP Tunnel for VPN.
6 # ========= ESP =========
8 # Network-A Gateway-A Gateway-B Network-B
9 # 192.168.1.0/24 ---- 200.200.200.10 ------ 200.200.200.20 ---- 192.168.2.0/24
11 # ====== 83xx board A ====== ===== 83xx board B =====
14 # 192.168.1.130 200.200.200.10 200.200.200.20 192.168.2.130
19 # Flush the SAD and SPD
23 # I am gateway A (eth0:192.168.1.130, eth1:200.200.200.10)
26 spdadd 192.168.1.0/24 192.168.2.0/24 any -P out ipsec
27 esp/tunnel/200.200.200.10-200.200.200.20/require;
29 spdadd 192.168.2.0/24 192.168.1.0/24 any -P in ipsec
30 esp/tunnel/200.200.200.20-200.200.200.10/require;
33 # ESP SAs doing encryption using 192 bit long keys (168 + 24 parity)
34 # and hmac-sha2-256 authentication using 256 bit long keys
35 add 200.200.200.10 200.200.200.20 esp 0x10513 -m tunnel
36 -E 3des-cbc 0x7aeaca3f87d060a12f4a4487d5a5c3355920fae69a96c831
37 -A hmac-sha2-256 0x4de03bebf6beb4fdef5a67d349a09580466cc4e54503333b2a5fd34538c91198;
39 add 200.200.200.20 200.200.200.10 esp 0x10514 -m tunnel
40 -E 3des-cbc 0xf6ddb555acfd9d77b03ea3843f2653255afe8eb5573965df
41 -A hmac-sha2-256 0x5e01eb780b7ecc074ca2ca4fa4a5ea2ff841c977da0ce61c49d1fe767ea5452c;