I am using RHEL8 and libreswan to make a tunnel directly to a cisco asa. using a basic config we are getting this error 002 "mytunnel" #7: initiating Main Mode 104 "mytunnel" #7: STATE_MAIN_I1: initiate 003 "mytunnel" #7: ignoring informational payload NO_PROPOSAL_CHOSEN, msgid=00000000, length=12 003 "mytunnel" #7: received and ignored notification payload: NO_PROPOSAL_CHOSEN 010 "mytunnel" #7: STATE_MAIN_I1: retransmission; will wait 0.5 seconds for response 010 "mytunnel" #7: STATE_MAIN_I1: retransmission; will wait 1 seconds for response 010 "mytunnel" #7: STATE_MAIN_I1: retransmission; will wait 2 seconds for response 010 "mytunnel" #7: STATE_MAIN_I1: retransmission; will wait 4 seconds for response config file:
config setup protostack=netkey plutodebug=all logfile=/var/log/pluto.log conn mytunnel leftid=@cisco left=100.64.3.31 rightid=@syslog right=100.64.3.30 #cisco-unity=yes keyexchange=ike authby=secret # use auto=start when done testing the tunnel #remote_peer_type=cisco #ikelifetime=24h #salifetime=24h auto=add pfs=yes rekey=yes keyingtries=3 type=tunnel # ike=aes-sha1 # phase2alg=aes-sha1 # ike=aes-sha1;modp2048 ike=aes-sha1;dh14 # phase2alg=aes-sha1;modp2048 phase2alg=aes-sha1;dh14 ikev2=never
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