R3-R2-R1-S1-S3-PC PC dhcp request failed, everything else pings each other and dont know that is wrong between the pc and the switch (fa18),any thoughts? There is a PC attached to S1 and there are no issues with that one. PC that doesnt communicate i...

S1 can ping R1 vlan 99 192.168.99.1 and vlan 31 192.168.31.1, but S3 cannot ping R1 vlan 99 192.168.99.1 or vlan 33 192.168.33.1 and help please?R1#sho runBuilding configuration...Current configuration : 1300 bytes!version 15.1no service timestamps l...