Testing your GBIC per ping command
Step 1: Enter the configuration mode.
Step 2: Type interface vlan1 in.
Step 3: Now you can award a ip address. Type following in ip address [Ip- Address][Subnetmask].
Step 4: Activate the settings with no shutdown.
Step 5: Leave this mode with exit.
Step 7: Enter the GBIC interface. Type interface gigabit 0/1 or 0/2 in to get on the GBICs.
Step 8: Activate the interface with no shutdown.
Step 9: Go back to the priveligate mode.
Step 10: Type ping <destination- IP- Address> to send echos to the other GBIC.