<div dir="ltr">I'm trying to setup a VPN between RHEL7 and Google Cloud VPN. I keep getting this cryptic error:<div class="gmail_signature"><div dir="ltr"><div></div></div></div>
<div><br></div><div>"google-tunnel" #6: ignored CCM/GCM ESP proposal 1: integrity transform must be IKEv2_AUTH_NONE or absent<br></div><div> ikev2_parent_inI2outR2_tail returned STF_FAIL with v2N_NO_PROPOSAL_CHOSEN"</div><div><br></div><div>This is with a barebones configuration like:</div><div><div>conn google-tunnel</div><div> authby=secret</div><div> auto=start</div><div> type=tunnel</div><div> left=x.x.x.x</div><div> leftid=x.x.x.x</div><div> leftsourceip=x.x.x.x</div><div> leftsubnet=x.x.x.x/24</div><div> right=y.y.y.y</div><div> rightsubnet=y.y.y.y/16</div><div> rightsourceip=y.y.y.y</div></div><div><br></div><div>As well as if I try to force some algorithm like:</div><div><div> ike=aes-sha1</div><div> ikev2=insist</div><div> phase2=esp</div><div> phase2alg=aes_gcm_c-128-null</div></div><div><br></div><div>Anybody have any ideas?</div></div>