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IOU and NAT on GNS3 1.0 Beta 1.
http://forum.gns3.net/topic11820.html
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Author:  coldsnapu [ Tue Sep 02, 2014 7:19 pm ]
Post subject:  IOU and NAT on GNS3 1.0 Beta 1.

Hello,

Tried using IOU for a router and attempted to enable NAT on an interface, and received mallocfail error:

After saving and closing gns3, and coming back and loading the lab again, the router that had the mallocfail error, would just
constantly shut down after couple of seconds.

Not sure if IOU issue, or something with gns3.

Following are the details of the output
==============================

System image file is "unix:/home/gns3/GNS3/images/i86bi-linux-l3-adventerprisek9-15.4.1T.b"


Router(config)#int e0/0
Router(config-if)#ip address 10.1.1.100 255.255.255.0
Router(config-if)#no sh
Router(config-if)#
*Sep 2 19:09:32.724: %LINK-3-UPDOWN: Interface Ethernet0/0, changed state to up
*Sep 2 19:09:33.730: %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet0/0, changed state to up
Router(config-if)#ip nat outside
Regex parse error, please reconfigure!

Regex parse error, please reconfigure!

% NBAR Error: Activation failed due to insufficient Dynamic Memory
% NBAR Error: Stile could not add protocol node
%NAT: Error activating CNBAR on the interface Ethernet0/0
Router(config-if)#
*Sep 2 19:09:42.034: %SYS-2-MALLOCFAIL: Memory allocation of 10260 bytes failed from 0xBBD6AF5, alignment 8
Pool: Processor Free: 110752 Cause: Memory fragmentation
Alternate Pool: None Free: 0 Cause: No Alternate pool
-Process= "Exec", ipl= 0, pid= 3
-Traceback= 9B75D13z C1FAF44z C1F7D86z D86A619z BBD6AF5z BBD45B5z BBD9B54z BBD5E04z BBD58E4z BBD6E34z BBD3BD2z BFCFB57z BFCF6C2z BFCF7ACz BFCF7ACz BFCF7ACz
*Sep 2 19:09:42.036: %NBAR-6-PDL_ERRORS: PDL parsing error: Failed to compile regexp
*Sep 2 19:09:42.096: %NBAR-6-PDL_ERRORS: PDL parsing error: Failed to compile regexp
Router(config-if)#
*Sep 2 19:09:42.629: %LINEPROTO-5-UPDOWN: Line protocol on Interface NVI0, changed state to up
Router(config-if)#

Author:  qerim88 [ Tue Sep 02, 2014 7:32 pm ]
Post subject:  Re: IOU and NAT on GNS3 1.0 Beta 1.

set more ram-memory to the iou device.

Author:  coldsnapu [ Wed Sep 03, 2014 12:42 pm ]
Post subject:  Re: IOU and NAT on GNS3 1.0 Beta 1.

Thank you, changed the ram for the IOU device to 512M from 256M and so far no errors being generated by the nat commands

Encountered another issue, when i Have 2 IOU routers connected via built in ethernet switch. Cant seem to ping between the 2 IOU routers when i have default ethernet switch between them.

Thanks

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