Did you configure the line console 0 ?do a show running-config to check, if there is no password as line console not a login entry, you can't access by it. I think you configure only vty, so there is no problem to access via ssh, but that is the on...

can you ping TP-link by a pc over R2900?If the answer is yes, there are no problem for internal route.you have to check the routing table on TP-link.There shall be at least 3 routes:-default route to ISP-the route to wifi-the route to internal networ...

Hi Marie,If the gateway is the TP-Link 3G access point, all pc are link to the catalyst switch, what is the purpouse of the 2900?You can simply enable DHCP on the TP-Link then turn off 2900.But if you use the R2900 other than dhcp, it's a bit more co...

hi, when a switch recive a packet to a unknown destination, the switch flood it on every port. That normal.You can show the mac-address-table of the switch: if the destination IP of the packet isn't present, that mean the switch can't know the correc...

are you sure he call you? If you ISP use nat, you can reach him, with your correct public address (natted by isp), no problem about port (calling him you use the ephemerals). If he try to call you, the correct ports (depend on the communication progr...