topic Re: maximum concurrent NAT/PAT in Network Security https://community.cisco.com/t5/network-security/maximum-concurrent-nat-pat/m-p/671354#M1034671 <HTML><HEAD></HEAD><BODY><P>Hi Daniel, </P><P></P><P>thanks for the explanation! </P><P></P><P>regards</P><P>Gerald</P></BODY></HTML> Mon, 08 Jan 2007 09:30:45 GMT gerald.stickler 2007-01-08T09:30:45Z maximum concurrent NAT/PAT https://community.cisco.com/t5/network-security/maximum-concurrent-nat-pat/m-p/671352#M1034663 <P>What is the maximum concurrent NAT/PAT translation number on a PIX 535?</P><P></P><P>The Firewall Service Module (FWSM) supports 256,000 concurrent NAT and 256,000 concurrent PAT translations. </P><P></P><P>THX.</P> Mon, 11 Mar 2019 09:14:55 GMT https://community.cisco.com/t5/network-security/maximum-concurrent-nat-pat/m-p/671352#M1034663 gerald.stickler 2019-03-11T09:14:55Z Re: maximum concurrent NAT/PAT https://community.cisco.com/t5/network-security/maximum-concurrent-nat-pat/m-p/671353#M1034666 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>I don't think Cisco mentions this for PIX, since every connection is translated (NAT 0 is still a transaltion) <span class="lia-unicode-emoji" title=":slightly_smiling_face:">🙂</span></P><P>You should look for the number of connections. </P><P></P><P><A class="jive-link-custom" href="http://cisco.com/en/US/products/hw/vpndevc/ps2030/products_data_sheet09186a008007d05d.html" target="_blank">http://cisco.com/en/US/products/hw/vpndevc/ps2030/products_data_sheet09186a008007d05d.html</A></P><P></P><P>PIX 535</P><P></P><P>? Cleartext throughput: Up to 1.7 Gbps</P><P></P><P>? Concurrent connections: 500,000</P><P></P><P>Keep in mind that for a given Public IP, a PAT can sustain a max number of 4000 private IPs. The higher the number, the lower the performance.</P><P></P><P>Please rate if this helped.</P><P></P><P>Regards,</P><P>Daniel</P><P></P><P></P></BODY></HTML> Sat, 06 Jan 2007 23:48:47 GMT https://community.cisco.com/t5/network-security/maximum-concurrent-nat-pat/m-p/671353#M1034666 5220 2007-01-06T23:48:47Z Re: maximum concurrent NAT/PAT https://community.cisco.com/t5/network-security/maximum-concurrent-nat-pat/m-p/671354#M1034671 <HTML><HEAD></HEAD><BODY><P>Hi Daniel, </P><P></P><P>thanks for the explanation! </P><P></P><P>regards</P><P>Gerald</P></BODY></HTML> Mon, 08 Jan 2007 09:30:45 GMT https://community.cisco.com/t5/network-security/maximum-concurrent-nat-pat/m-p/671354#M1034671 gerald.stickler 2007-01-08T09:30:45Z