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NAT: translation failed (A), dropping packet

RubinoM
Level 1
Level 1

Hi,

I have a router 1760 with a ADSL interface.

Sometime, without any reason, it stop to work. I see that the problem is NAT, because, when I do debug ip nat the message console is:

NAT: translation failed (A), dropping packet

If I reload it, the router works correctly for some time.

I see in CCO, but the problem isn't subnet zero.

The configuration is:

...

interface FastEthernet0/0

ip address xxx.yyy.zzz.233 255.255.255.248

ip address 172.16.10.100 255.255.255.0 secondary

[...]

ip nat inside

ip policy route-map OLD_NEW

speed auto

...

interface ATM1/0.1 point-to-point

[...]

ip nat outside

pvc 8/35

encapsulation aal5snap

ip nat pool NAVIGA xxx.yyy.zzz.234 xxx.yyy.zzz.234 prefix-length 29

ip nat inside source list 101 pool NAVIGA overload

Any idea?

Thanks.

2 Replies 2

thomas.chen
Level 6
Level 6

you need to check for the caveats in that particular IOS. Which IOS version are you using ?

Version 12.2(2)XK2