According to the show spanning-tree command, your switch is not forwarding packets out of port Fa0/1. Recheck your physical connection. Also type "show int fa 0/1" and post that. I can ping the 2960+ no problem but I cannot ping the 2960X from the router, and likewise cannot ping the router from the 2960X. I have checked configs, port errors etc and can't find anything wrong. Router config: 2960X config: ip default-gateway 192. Here is the partial config of the switch: (a complete config file attached) interface Vlan19 The strange thing is, from the switch I'm not able to ping the. Switch can ping PC1, DCs, Other Switches, and all devices on the same vlan (192. and from others vlans cannot ping the switch.