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Post the output of the &quot;show ver&quot; command from the CLI.<br />
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Have you tried to do it from the SDM? &nbsp;(Security Device Manager)<br />
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I believe you can get to it under Configure-Additional Tasks-Router Access-Management Access and then checking the box for HTTPS at the bottom of that screen.
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Post the output of the "show ver" command from the CLI.

Have you tried to do it from the SDM?  (Security Device Manager)

I believe you can get to it under Configure-Additional Tasks-Router Access-Management Access and then checking the box for HTTPS at the bottom of that screen.

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I have found the problem. The check box for HTTPS is greyed out in Additiopnal Tasks-Router Access-Management Access. Further research shoed that I do not have the IPSec ISO Image - hence no HTTPS. 
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I have found the problem. The check box for HTTPS is greyed out in Additiopnal Tasks-Router Access-Management Access. Further research shoed that I do not have the IPSec ISO Image - hence no HTTPS.

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I am trying to enable https on my 1841 router using the command:<br />
Router(config)# ip http secure-server<br />
but I keep getting the error &quot;% invalid input detected at '^' marker&quot;<br />
I do not understand what could be the problem.
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I am trying to enable https on my 1841 router using the command:
Router(config)# ip http secure-server
but I keep getting the error "% invalid input detected at '^' marker"
I do not understand what could be the problem.

Cannot enable https on 1841 Router

A router is a networking device that forwards data packets between computer networks. Routers perform the "traffic directing" functions on the Internet. The most familiar type of routers are home and small office cable or DSL routers that simply pass data, such as web pages, email, IM, and videos between computers and the Internet. More sophisticated routers, such as enterprise routers, connect large business or ISP networks up to the powerful core routers that forward data at high speed along the optical fiber lines of the Internet backbone. Though routers are typically dedicated hardware devices, use of software-based routers has grown increasingly common.