# add transfer network to eth0 (as secondary IP address), since strongswan expects packets from/to 172.20.0.0/22 ip addr add 172.20.0.1/22 dev eth0 # start strongswan systemctl start strongswan # start all ipsec tunnels/associations strongswan up cmts-cm strongswan up cmts-cpepriv strongswan up cmts-mta # get routes - note that they originate from 172.20.0.1, thus going through the tunnel ip r get 10.0.31.254 10.0.31.254 via <cmts-ip> dev eth0 src 172.20.0.1 ip r get 100.64.3.254 100.64.3.254 via <cmts-ip> dev eth0 src 172.20.0.1 ip r get 100.96.3.254 100.96.3.254 via <cmts-ip> dev eth0 src 172.20.0.1 # ping all bundle interface ip addresses ping -c1 10.0.31.254 PING 10.0.31.254 (10.0.31.254) 56(84) bytes of data. 64 bytes from 10.0.31.254: icmp_seq=1 ttl=255 time=0.475 ms ping -c1 100.64.3.254 PING 100.64.3.254 (100.64.3.254) 56(84) bytes of data. 64 bytes from 100.64.3.254: icmp_seq=1 ttl=255 time=0.696 ms ping -c1 100.96.3.254 PING 100.96.3.254 (100.96.3.254) 56(84) bytes of data. 64 bytes from 100.96.3.254: icmp_seq=1 ttl=255 time=0.495 ms # teardown all ipsec tunnels/associations strongswan down cmts-mta strongswan down cmts-cpepriv strongswan down cmts-cm # stop strongswan systemctl stop strongswan
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