[Openswan Users] Negotiating NATT

Michael mjm159 at ext.canterbury.ac.nz
Wed Jul 6 23:24:54 CEST 2005

Hi all,

I want to use NATT over a connection.  I have configured the other end
(not an Openswan device) to use NATT. However, I receive "NAT-Traversal:
Only 0 NAT-D - Aborting NAT-Traversal" during the negotiation.

I'm not looking for the complete answer here, but I would like to know
where I should be checking and what "Only 0" is supposed to mean.

For the future, how should I go about looking up this kind of error?

michael:/home/michael# ipsec auto --up ***
112 "atr" #3: STATE_AGGR_I1: initiate
003 "atr" #3: received Vendor ID payload [XAUTH]
003 "atr" #3: received Vendor ID payload
[draft-ietf-ipsec-nat-t-ike-02_n] method set to=106
003 "atr" #3: ignoring unknown Vendor ID payload
003 "atr" #3: NAT-Traversal: Only 0 NAT-D - Aborting NAT-Traversal
004 "atr" #3: STATE_AGGR_I2: sent AI2, ISAKMP SA established
041 "atr" #3: *** prompt for Username:
Name enter:   *****
040 "atr" #3: atr prompt for Password:
Enter secret:
004 "atr" #3: STATE_XAUTH_I1: XAUTH client - awaiting CFG_set
004 "atr" #3: STATE_XAUTH_I1: XAUTH client - awaiting CFG_set
117 "atr" #4: STATE_QUICK_I1: initiate
004 "atr" #4: STATE_QUICK_I2: sent QI2, IPsec SA established
{ESP=>0x2e9621f2 <0x9d0862ee xfrm=3DES_0-HMAC_SHA1}


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