topic PAT with VPN doesnt work in Network Security https://community.cisco.com/t5/network-security/pat-with-vpn-doesnt-work/m-p/999160#M918058 <P>Hi guys,</P><P>with reference to the above, i dont know why only one ip in the 10.10.10.x range passes traffic via the tunnel while the rest does not. I have the following nat policy configured</P><P>nat (inside) 1 access-list xxx</P><P>global (outside) 1 200.200.200.1-200.200.200.30 netmask 255.255.255.0</P><P>access-list xxx permit ip 10.10.10.x 255.255.255.0 50.50.x.x 255.255.0.0</P><P>access-list crypto permit ip 200.200.200.0 255.255.255.0 host 50.50.50.5</P><P>isakmp nat-traversal 20</P><P>sysopt connection permit-vpn </P> Mon, 11 Mar 2019 13:01:48 GMT o.ilesanmi 2019-03-11T13:01:48Z PAT with VPN doesnt work https://community.cisco.com/t5/network-security/pat-with-vpn-doesnt-work/m-p/999160#M918058 <P>Hi guys,</P><P>with reference to the above, i dont know why only one ip in the 10.10.10.x range passes traffic via the tunnel while the rest does not. I have the following nat policy configured</P><P>nat (inside) 1 access-list xxx</P><P>global (outside) 1 200.200.200.1-200.200.200.30 netmask 255.255.255.0</P><P>access-list xxx permit ip 10.10.10.x 255.255.255.0 50.50.x.x 255.255.0.0</P><P>access-list crypto permit ip 200.200.200.0 255.255.255.0 host 50.50.50.5</P><P>isakmp nat-traversal 20</P><P>sysopt connection permit-vpn </P> Mon, 11 Mar 2019 13:01:48 GMT https://community.cisco.com/t5/network-security/pat-with-vpn-doesnt-work/m-p/999160#M918058 o.ilesanmi 2019-03-11T13:01:48Z Re: PAT with VPN doesnt work https://community.cisco.com/t5/network-security/pat-with-vpn-doesnt-work/m-p/999161#M918060 <HTML><HEAD></HEAD><BODY><P>better disable the monitoring for the interface whose static translation is created.you need to open esp protocol for source and destination and also open udp port 500 ( isakmp) for vpn traffic to work .</P><P></P></BODY></HTML> Wed, 25 Jun 2008 13:03:35 GMT https://community.cisco.com/t5/network-security/pat-with-vpn-doesnt-work/m-p/999161#M918060 owillins 2008-06-25T13:03:35Z