In a 6513 core when i gave 'sh version'it shows the following114 Virtual Ethernet/IEEE 802.3 interfaces146 Gigabit Ethernet/IEEE 802.3 interfaceshere what does the 114 vitual ethernet interface mean ?. Could you please explain.

is there any way we can find that a switch will support L3 functions. What to check is it the model or the IOS

Say a router is connected to 2 ISPs(one is promary and other is secondary ) and its in OSPF area 0 as well. Would like to advertise only the primary link to the internal network. How i can do this config ? Is there any way i could track the WAN link ...