Cisco packet tracer help

[jamieWIS]

We built a network for a company with multiple floors. The computers on the same floor can ping each other but the if a computer pings a computer on a different floor it won't go through. What are the errors in the network? 

 

[Martin L]

You can attach your PT file here (must be in a zip format).

Regards, ML
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[Martin L]

if you use RIP, u must use version 2 and no auto-summary on all RIP routers.  PC is set in vlan 20 but you have no such vlan on router.  You have vlan 20 and 30 on switch, so  router should be set with trunking interface Fa0/0 with Dot1Q encapsulation , aka ROAS.  configure router -on-a-stick on routers so that PCs can ping router and ping others in different vlan. PC in vlan 20 cannot ping PC ion vlan 20 without routing on Router or L3 switch. 

Regards, ML
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[jamieWIS]

Thanks for the help! but what exactly are the steps to do that. I still wasn't able to get it to work.