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Tunnel on ASA not working

Posted on 2008-11-04
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Last Modified: 2011-10-19
I get the following messages
 Oct 30 15:06:24 192.168.231.12 %ASA-3-305005: No translation group found for tcp src outside:172.31.70.4/2714 dst inside:10.74.14.124/1025
Oct 30 15:06:24 192.168.231.12 %ASA-7-609002: Teardown local-host outside:172.31.70.4 duration 0:00:00

asavpnext10-28.TXT
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Question by:axl13
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Author Comment

by:axl13
ID: 22886427
Do i need to supply any more info???
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by:harbor235
ID: 22923819


Looks like IP address 10.74.14.124 is not directly connected to your ASA but traffic destined to this address is routed to your ASA. You have a route for  it here;

"route inside 10.74.14.0 255.255.255.0 192.168.231.62"

Which means that network is located behing the gateway 192.168.231.62. The problem you are having
is that when traffic reaches your outside interface it does not find any NAT translation for this range.

There is no need to NAT this in a strict sense but you must let the ASA know what to do with it since
you do have RFC1918 on your inside networks. Configure the identity NAT which tells it not to modify the address and pass it through normally.

static (inside,outside) 10.74.14.124 10.74.14.124 NETMASK 255.255.255.255

If the host 10.74.14.124 need internet access are you supposed to provide it ?
I am also not sure how/why someone is allowed to route private IP addresses through your frontend?
Why isn't the 10.74.14.x network connected directly to  your ASA? This would make things easier

harbor235 ;}
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Author Comment

by:axl13
ID: 22923842
One problem I have is one of the sites cannot have 10. ip addesses so we nat them to a 192. address. I would need to have thosee 192 nat back to a 10.. I cannot have two statics, can I ...
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by:harbor235
ID: 22927118


ok,  you can keep it the way it is, however, when a packet destined for 10.74.14.x reaches the outside interface of your ASA and you are doing NAT for all your internal networks it interprets that you should be doing NAT for this IP as well.  It needs a translation too tell it how to treat this address, add the identity NAT via the static I showed you above.  It may complain about receiving a packet from a source IP that is not in the range of one of it's inside interfaces. You may need to disable reverse path forwarding on the inside interface to get around this issue, if confi g ured.

harbor235 ;}
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axl13 earned 0 total points
ID: 23193335
need to create a second peer end point
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