Multiple internal subnets on asa 5510

Firewalls, PIX, ASA, VPN, Access Control List, User Authentication, Data Encryption and Best Practices.
Hello I'm new here
Posts: 2
Joined: Wed Jun 27, 2012 6:45 pm

Multiple internal subnets on asa 5510

Post by TazMan1 » Wed Jun 27, 2012 6:54 pm

Hello All,

I am implementing a 5510 to replace our old pix firewall that we have. I have a few 5505's installed throughout the network and don't have this issue with them. With the 5510 I have 2 internal subnets on my router. A 10.10.10.x and a 10.10.20.x. I can get anything on a 10.10.10.x to access the internet but anything with a 10.10.20.x can't. What am I missing here? I am using 2 interfaces on the asa, one outside and one inside and have the asa set to route anything with a 10.x.x.x to my router. I can ping 10.10.10.x things from the asa but not 10.10.20.x. Any thoughts would be greatly helpful.


Site Admin
Posts: 19
Joined: Wed Apr 27, 2011 8:06 pm

Re: Multiple internal subnets on asa 5510

Post by john » Mon Mar 25, 2013 9:13 pm

Check your nat settings and make sure your NAT ACL includes both subnets.


Post Reply