Error setting up NAT from CCA2.1

Unanswered Question
Oct 22nd, 2009

inluded is the screen shot...

UC520

Anyone else having this?

Going into security - NAT

Just adding a basic NAT

click apply and error

NatErrorCCA21.JPG

I have this problem too.
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chris unger Tue, 10/27/2009 - 07:39

this error happens with a default config, I tested in our lab.  Anyone doing NAT from CCA2.1?

updated pic also, maybe more clear... also attached.  I can delete the Firewall settings, delete the NAT settings.  Create a vlan, try to use NAT and BOOM, error

Error saving basic NAT settings.jpg

Saurabh Verma Wed, 10/28/2009 - 05:51

This may be a configuration error. Are you trying to use vlan 100 for outside interface? VLAN 100 is used for voice subnet. You may want to use interface fastethernet 0/0 (WAN) for outside interface.

-Saurabh

chris unger Wed, 10/28/2009 - 06:42

of course im using FastEthernet0/0.

From a brand new config this is how the error is reproduced.

First delete all firewall settings

Second delete NAT settings

create a VLAN, say 50, create DHCP pool, etc

Make sure FastEthernet0/0 is DHCP

now go into NAT, and try anything that makes a change and requires saving...  BOOM  error

this is with CCA2.1

from the CLI I have NAT outside for FastEthernet0/0

Nat inside for the VLANs 1 and 50, but not the BVIs (maybe thats an issue)

I also have attempted doing the "VLAN database" and recreating the vlan.dat

so I can ping from the FastEthernet0/0 to outside, but can not ping the outside from any other interface (vlan)