west:~# ping -n -c 4 192.0.2.254 PING 192.0.2.254 (192.0.2.254): 56 data bytes 64 bytes from 192.0.2.254: icmp_seq=0 ttl=257 time=999 ms 64 bytes from 192.0.2.254: icmp_seq=1 ttl=257 time=999 ms 64 bytes from 192.0.2.254: icmp_seq=2 ttl=257 time=999 ms 64 bytes from 192.0.2.254: icmp_seq=3 ttl=257 time=999 ms --- 192.0.2.254 ping statistics --- 4 packets transmitted, 4 packets received, 0% packet loss round-trip min/avg/max = 3.1/4.5/9.26 ms west:~# iptables -A INPUT -i eth1 -s 192.0.2.0/24 -j DROP west:~# ping -n -c 4 192.0.2.254 PING 192.0.2.254 (192.0.2.254): 56 data bytes --- 192.0.2.254 ping statistics --- 4 packets transmitted, 0 packets received, 100% packet loss west:~# TESTNAME=alias-01 west:~# source /testing/pluto/bin/westlocal.sh west:~# ipsec setup start ipsec_setup: Starting Libreswan IPsec VERSION west:~# ipsec auto --add westnet-eastnet-alias west:~# ipsec auto --add westnet-eastnet-second west:~# ipsec whack --status | grep westnet-eastnet 000 "westnet-eastnet-alias": 192.0.1.0/24===192.1.2.45[@west]...192.1.2.23[@east]===192.0.2.0/24; unrouted; eroute owner: #0 000 "westnet-eastnet-alias": myip=unset; hisip=unset; 000 "westnet-eastnet-alias": ike_life: 3600s; ipsec_life: 28800s; rekey_margin: 540s; rekey_fuzz: 100%; keyingtries: 3 000 "westnet-eastnet-alias": policy: RSASIG+ENCRYPT+TUNNEL+PFS; prio: 24,24; interface: eth1; 000 "westnet-eastnet-alias": newest ISAKMP SA: #0; newest IPsec SA: #0; 000 "westnet-eastnet-alias": aliases: franklin 000 "westnet-eastnet-second": 192.0.1.0/24===192.1.2.45[@west]...192.1.2.23[@east]===192.0.2.0/24; unrouted; eroute owner: #0 000 "westnet-eastnet-second": myip=unset; hisip=unset; 000 "westnet-eastnet-second": ike_life: 3600s; ipsec_life: 28800s; rekey_margin: 540s; rekey_fuzz: 100%; keyingtries: 3 000 "westnet-eastnet-second": policy: RSASIG+ENCRYPT+TUNNEL+PFS; prio: 24,24; interface: eth1; 000 "westnet-eastnet-second": newest ISAKMP SA: #0; newest IPsec SA: #0; 000 "westnet-eastnet-second": aliases: abigail franklin west:~# echo done done west:~# /testing/pluto/bin/wait-until-pluto-started west:~# ipsec auto --up franklin 000 initiating all conns with alias='franklin' 104 "westnet-eastnet-alias" #1: STATE_MAIN_I1: initiate 003 "westnet-eastnet-alias" #1: received Vendor ID payload [Libreswan 003 "westnet-eastnet-alias" #1: received Vendor ID payload [Dead Peer Detection] 106 "westnet-eastnet-alias" #1: STATE_MAIN_I2: sent MI2, expecting MR2 108 "westnet-eastnet-alias" #1: STATE_MAIN_I3: sent MI3, expecting MR3 004 "westnet-eastnet-alias" #1: STATE_MAIN_I4: ISAKMP SA established {auth=OAKLEY_RSA_SIG cipher=aes_128 prf=oakley_sha group=modp1536} 117 "westnet-eastnet-alias" #2: STATE_QUICK_I1: initiate 004 "westnet-eastnet-alias" #2: STATE_QUICK_I2: sent QI2, IPsec SA established tunnel mode west:~# ipsec look west NOW 192.0.1.0/24 -> 192.0.2.0/24 => tun0xIPIP@192.1.2.23 esp0xESPSPI@192.1.2.23 ipsec0->eth1 mtu=16260(9999)->1500 tun0xTUN#@192.1.2.23 IPIP: dir=out src=192.1.2.45 natencap=none natsport=0 natdport=0 esp0xKLIPSPIK@192.1.2.23 ESP_AES_HMAC_SHA1: dir=out src=192.1.2.45 iv_bits=128bits iv=0xIVISFORRANDOM000IVISFORRANDOM000 ooowin=64 alen=160 aklen=160 eklen=128 natencap=none natsport=0 natdport=0 esp0xKLIPSPIK@192.1.2.45 ESP_AES_HMAC_SHA1: dir=in src=192.1.2.23 iv_bits=128bits iv=0xIVISFORRANDOM000IVISFORRANDOM000 ooowin=64 alen=160 aklen=160 eklen=128 natencap=none natsport=0 natdport=0 tun0xTUN#@192.1.2.45 IPIP: dir=in src=192.1.2.23 policy=192.0.2.0/24->192.0.1.0/24 flags=0x8<> natencap=none natsport=0 natdport=0 ROUTING TABLE 192.1.2.0/24 dev eth1 proto kernel scope link src 192.1.2.45 192.1.2.0/24 dev ipsec0 proto kernel scope link src 192.1.2.45 192.0.2.0/24 dev ipsec0 scope link default via 192.1.2.254 dev eth1 west:~# echo done done west:~# west:~# ipsec look west NOW 192.0.1.0/24 -> 192.0.2.0/24 => tun0xIPIP@192.1.2.23 esp0xESPSPI@192.1.2.23 ipsec0->eth1 mtu=16260(9999)->1500 tun0xTUN#@192.1.2.23 IPIP: dir=out src=192.1.2.45 natencap=none natsport=0 natdport=0 esp0xKLIPSPIK@192.1.2.23 ESP_AES_HMAC_SHA1: dir=out src=192.1.2.45 iv_bits=128bits iv=0xIVISFORRANDOM000IVISFORRANDOM000 ooowin=64 alen=160 aklen=160 eklen=128 natencap=none natsport=0 natdport=0 tun0xTUN#@192.1.2.23 IPIP: dir=out src=192.1.2.45 natencap=none natsport=0 natdport=0 esp0xKLIPSPIK@192.1.2.23 ESP_AES_HMAC_SHA1: dir=out src=192.1.2.45 iv_bits=128bits iv=0xIVISFORRANDOM000IVISFORRANDOM000 ooowin=64 alen=160 aklen=160 eklen=128 natencap=none natsport=0 natdport=0 esp0xKLIPSPIK@192.1.2.45 ESP_AES_HMAC_SHA1: dir=in src=192.1.2.23 iv_bits=128bits iv=0xIVISFORRANDOM000IVISFORRANDOM000 ooowin=64 alen=160 aklen=160 eklen=128 natencap=none natsport=0 natdport=0 tun0xTUN#@192.1.2.45 IPIP: dir=in src=192.1.2.23 policy=192.0.2.0/24->192.0.1.0/24 flags=0x8<> natencap=none natsport=0 natdport=0 ROUTING TABLE 192.1.2.0/24 dev eth1 proto kernel scope link src 192.1.2.45 192.1.2.0/24 dev ipsec0 proto kernel scope link src 192.1.2.45 192.0.2.0/24 dev ipsec0 scope link default via 192.1.2.254 dev eth1