[Openswan Users] Tunnel established but no traffic

Paul Wouters paul at xelerance.com
Mon Apr 25 19:20:28 CEST 2005

On Mon, 25 Apr 2005, Mark Maiden wrote:

> I've set up two linux boxes with OpenSwan and the tunnel has been established 
> correctly per these messages :
> Apr 25 16:39:49 ftptest pluto[9113]: "dublin-to-boston" #1: ISAKMP SA 
> established
> Apr 25 16:39:49 ftptest pluto[9113]: "dublin-to-boston" #4: initiating Quick 
> Mode PSK+ENCRYPT+TUNNEL+PFS+UP {using isakmp#1}
> Apr 25 16:39:49 ftptest pluto[9113]: "dublin-to-boston" #4: transition from 
> state STATE_QUICK_I1 to state STATE_QUICK_I2
> Apr 25 16:39:49 ftptest pluto[9113]: "dublin-to-boston" #4: sent QI2, IPsec 
> SA established {ESP=>0xd0862f55 <0x7a7cfd70}
> But I can't establish a route between the two private networks(192.168.1.x & 
> 192.168.100.x) and I can't transmit info between the two.

I do not see enough information to see what this could be. Post an 'ipsec barf'
somewhere for us to look at.

> I have iptables firewalls on both boxes and made the appropriate changes to 
> exclude packets from traversing the tunnel with NAT.

You have a lot of rules. try to either disable them for a minute for testing,
or temporarily insert some accept rules to bypass all the rules.


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