Is it possible to use anyconnect sslvpn on Cisco 1841?

[bjosu]

And does anyone know a version that works?

I have some faint memory that i used it on a Cisco 1812 and a Cisco 871.

[balaji.bandi]

for Cisco 1841 to work VPN you need advanced feature IOS licenses.

here is any connect VPN configuration guide: it has basic requirement of IOS

https://www.cisco.com/c/en/us/support/docs/security/anyconnect-secure-mobility-client/200533-AnyConnect-Configure-Basic-SSLVPN-for-I.html