topic PIX 520 Upgrade to 5.1 with DES Activation key in Network Security https://community.cisco.com/t5/network-security/pix-520-upgrade-to-5-1-with-des-activation-key/m-p/19968#M655934 <P>I have an old PIX 520, and want to do encryption with it. I did upgrade to 5.1 and properly entered activation key for DES encryption, but after reload, I don't see in show version that DES encryption is available. Furthermore, if I enter the command sh isakmp, I receive VPN DES is not enabled.</P><P></P><P>Tha old PIX 520 has connection based licence, so I assume that I have to upgrade first to feature based licence (if possible at all) and after that to DES licence. </P><P></P><P>Can anyone confirm this issue, or give me some input.</P><P></P><P>Thanks,</P><P>Sasa</P> Fri, 21 Feb 2020 06:01:53 GMT s.vidanovic 2020-02-21T06:01:53Z PIX 520 Upgrade to 5.1 with DES Activation key https://community.cisco.com/t5/network-security/pix-520-upgrade-to-5-1-with-des-activation-key/m-p/19968#M655934 <P>I have an old PIX 520, and want to do encryption with it. I did upgrade to 5.1 and properly entered activation key for DES encryption, but after reload, I don't see in show version that DES encryption is available. Furthermore, if I enter the command sh isakmp, I receive VPN DES is not enabled.</P><P></P><P>Tha old PIX 520 has connection based licence, so I assume that I have to upgrade first to feature based licence (if possible at all) and after that to DES licence. </P><P></P><P>Can anyone confirm this issue, or give me some input.</P><P></P><P>Thanks,</P><P>Sasa</P> Fri, 21 Feb 2020 06:01:53 GMT https://community.cisco.com/t5/network-security/pix-520-upgrade-to-5-1-with-des-activation-key/m-p/19968#M655934 s.vidanovic 2020-02-21T06:01:53Z Re: PIX 520 Upgrade to 5.1 with DES Activation key https://community.cisco.com/t5/network-security/pix-520-upgrade-to-5-1-with-des-activation-key/m-p/19969#M656039 <HTML><HEAD></HEAD><BODY><P>It sounds like you don&#146;t have the right feature key. Contact Cisco&#146;s licensing at <A href="mailto:licensing@cisco.com">licensing@cisco.com</A> for help obtaining the right key.</P></BODY></HTML> Mon, 22 Apr 2002 19:17:44 GMT https://community.cisco.com/t5/network-security/pix-520-upgrade-to-5-1-with-des-activation-key/m-p/19969#M656039 ssoberlik 2002-04-22T19:17:44Z