Hi,I want to ping between pc from different vlans using router on a stick. I can ping pc in the same vlan.Interface between router and switch appears down.Thank you

Hi, I'm trying to ping two PCs on packet tracer and between the two PC are two routers. I'm trying to add an ip route with ipv6 route command but after I type the command the route does not show in the show ipv6 route static command. Thank you