TunnelModus - howto

Tunnel modus um zwei netze zu verbinden

1.!/usr/sbin/setkey -f
Flush the SAD and SPD

flush; spdflush;

Attention: Use this keys only for testing purposes!
Generate your own keys!
AH SAs using 128 bit long keys 1.add 172.20.15.93 172.20.2.206 ah 0x200 -A hmac-md5 0xc0291ff014dccdd03874d9e8e4cdf3e6; 1.add 172.20.2.206 172.20.15.93 ah 0x300 -A hmac-md5 0x96358c90783bbfa3d7b196ceabe0536b;
- 1.DEBUG
1.add 172.20.15.93 172.20.2.206 ah 0x200 -A null; 1.add 172.20.2.206 172.20.15.93 ah 0x300 -A null;
ESP SAs using 192 bit long keys (168 + 24 parity)

add 172.20.15.93 172.20.2.206 esp 0x201 -m tunnel -E twofish-cbc 0x7aeaca3f87d060a12f4a4487d5a5c3355920fae69a96c8 31; add 172.20.2.206 172.20.15.93 esp 0x301 -m tunnel -E twofish-cbc 0xf6ddb555acfd9d77b03ea3843f2653255afe8eb5573965d f;

1.DEBUG

1.add 172.20.15.93 172.20.2.206 esp 0x201 -m tunnel -E simple ""; 1.add 172.20.2.206 172.20.15.93 esp 0x301 -m tunnel -E simple "";
Security policies

spdadd 172.20.15.93 172.20.2.206 any -P in ipsec esp/tunnel/172.20.15.93-172.20.2.206/require; #ah/tunnel/172.20.98.246-172.20.2.206/require;

spdadd 172.20.2.206 172.20.15.93 any -P out ipsec esp/tunnel/172.20.2.206-172.20.15.93/require; #ah/tunnel/172.20.98.246-172.20.2.206/require;