Openswan ipsec transport tunnel not going up

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http://serverfault.com – On ClusterA and B I have installed the "openswan" package on Debian Squeeze. ClusterA ip is, B is When they ping one another, it does not reach the destination. /etc/ipsec.conf: version 2.0 # conforms to second version of ipsec.conf specification config setup protostack=netkey oe=off conn L2TP-PSK-CLUSTER type=transport left= right= auto=start ike=aes128-sha1-modp2048 authby=secret compress=yes /etc/ipsec.secrets: : PSK "L2TPKEY" 172.1 (HowTos)