http://tech-recipes.disqus.com/Cookbook of Tech TutorialsenThu, 09 Apr 2009 12:54:53 -0000http://www.tech-recipes.com/rx/409/authenticate_cisco_rip_version_2_ripv2_routers/#comment-8009865It's likely your IOS version or feature set. I just verified this command is in a 2811 using 12.4-22T SP Services code.ahbanksThu, 09 Apr 2009 12:54:53 -0000http://www.tech-recipes.com/rx/409/authenticate_cisco_rip_version_2_ripv2_routers/#comment-4239507well i dont know why i cant create a key chain in the router configuration in the packet tracer <br>every time i try to write the KEY CHAIN command this msg appear (Invalid input detected at '^' marker.) <br>anybody have explanation plz contactsherifSun, 07 Dec 2008 18:14:16 -0000