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Cisco ASA routing two external networks

Posted on 2015-01-29
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Last Modified: 2015-11-25
Hi,

I have a Cisco ASA 5510 with 4 NICS. They are:
E0/0 - MPLS (172.28.90.1/24) connect to MPLS router with IP 172.28.90.2
E0/1 - Internal (172.28.0.0/22)
E0/2 - ExtDSL (192.168.0.1/24) connected to BT ADSL router with IP 192.168.0.1
E0/3 - GuestWifi (172.16.0.1/22)

I would like to NAT the Guest Wifi over the  ExtDSL Ethernet connection.

However in my static routes I have 0.0.0.0 0.0.0.0 going to the E0/0 MPLS connection.

Is there anyway to NAT the E0/3 Guestwifi traffic out of the E0/2 ExtDSL connection ?

Thanks,
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Question by:bhangrageeza
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7 Comments
 
LVL 57

Expert Comment

by:Pete Long
ID: 40578619
yes, the commands would depend on your OS though, what version are you running? (show version)

Pete
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Author Comment

by:bhangrageeza
ID: 40579166
Thanks for the reply Pete

ASA Version: 8.4(1)
ASDM Version 6.4(1)
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LVL 57

Accepted Solution

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Pete Long earned 1000 total points
ID: 40579548
OK

object network OBJ-NAT-ALL-WIRELESS
 subnet 172.16.0.0 255.255.0.0
nat (GuestWifi ,ExtDSL) dynamic interface

should do :)
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Author Comment

by:bhangrageeza
ID: 40579643
Just set this up, and it's still not working.

Do I need to add in anything else ?
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Author Comment

by:bhangrageeza
ID: 40579663
ASA-NAT-Rule.jpg
ASA-Ping.jpg
I have carried out a ping using command line interface going out of the ExtDSL line, and it comes back with packet loss. Do I need to add in a route somewhere ?
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LVL 57

Expert Comment

by:Pete Long
ID: 40582356
Do you have any ACL applied to the wireless interface?
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Author Closing Comment

by:bhangrageeza
ID: 41311297
didn't fix the issue
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