ASA 7.2 5510   portmap translation creation failed for tcp src inside

Posted on 2008-11-14
Medium Priority
Last Modified: 2012-05-05
Hi ive got a NAT problem, the asa shows up a the error: "portmap translation creation failed for tcp src inside" when trying to access a specific lan, here are the network config
OUTSIDE is xx.xx.xx.xx
TEMPNET is > NET behind tempnet is /24
The Problem is i have only 2 IPs i can use in Tempnet, so i have to NAT all my internal IPs to 1 IP from the TEMPNET, TEMPNet is provided by another company and got its own router which forwards pakets into several foreign networks, to prevent routing issues (tempnet routers dont know routes into my local net) i need to nat all my local ips to lets say
I added a route for example route tempnet /24 (1.2 is the router from the TEMPNET).
Now here are my nat / global / statements:
access-list NAT_TEMP permit ip
access-list NAT_ANYDESTINATION permit ip any
nat (inside) 1 access-list NAT_ANYDESTINATION
nat (inside) 2 access-list NAT_TEMP
global (inside) 1 interface
global (tempnet) 2 interface

when trying to access i receive the errorcode: portmap translation creation failed..
when i change this:
no nat (inside) 2 access-list NAT_TEMP
no global (tempnet) 2 interface
global (tempnet) 1 interface

it works like a charm, but why isnt it working with the other config, lets say i want to split it more up and work with more then 1 nat rules based on source and destination it wont work, why do i cannot use multiple nat/global statements?

Question by:netcrew
1 Comment
LVL 79

Accepted Solution

lrmoore earned 2000 total points
ID: 22958935
The way you have it, traffic hits nat rule 1  before rule 2 it always matches rule1

You can try this:
nat (inside) 10 access-list NAT_ANYDESTINATION
nat (inside) 2 access-list NAT_TEMP
global (outside) 10 interface
global (tempnet) 2 interface

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