Hello guys,

i am a newbie about openswan and a support service ask me to create a VPN connection with them using just only public IP addresses.

So i'm trying from several days to establish the following connection ( in a simulated network environment)

left subnet ----------------->left VPN gw ---------------------------------> right VPN gw ------------------> right subnet 88.xxx.yyy.abc/32 --------->88.xxx.yyy.rst -------------------------------> 85.ttt.www.npq ------------------> 85.ttt.www.def/32

where

88.xxx.yyy is the same subnet for VPN gw and left subnet and the same is for 85.ttt.www.

left and right subnets has 88.xxx.yyy.rst and 85.ttt.ww.npq as their own network gateways respectively.

Both Vpn gateways, in the simulated network environment, have openswan 2.49 on linux kernel 2.6.24-19 and shorewall 4.0.6 single interface as firewall The two subnet hosts have linux kernel 2.6.24-19 and shorewall 4.0.6 single interface as firewall.

I can establish the VPN connection between gateways as resulting from message :

ipsec auto --status
....
r...@rightvpngw:~# #428: "VpnTest":500 STATE_QUICK_R2 (IPsec SA established); EVENT_SA_REPLACE in 1256s; newest IPSEC; eroute owner 000 #428: "VpnTest" [email protected] [email protected] [email protected] [email protected] 000 #426: "VpnTest":500 STATE_MAIN_R3 (sent MR3, ISAKMP SA established); EVENT_SA_REPLACE in 826s; newest ISAKMP; lastdpd=-1s(seq in:0 out:0) r...@rightvpngw:~# 000 #428: "VpnTest" [email protected] [email protected] [email protected] [email protected]

but it seems I cannot reach the two hosts in the subnets.

I check the firewall and i found no reject or drop messages, so i think it is a routing problem

Is anyone can help me asap?

Thanks in advance and Regards.
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