Cisco spanning-tree故障处理 - %SPANTREE-7-BLOCK_PORT_TYPE:
Wehaveacore4506switchwith2WS-X4306-GBandasupervisorII+.AlldistributionswitchesconnectviafibertotheGBICslots.OnoneGBICslot,thefibergoestoanetscreenfirewall.thefirewallhasaGBICmoduleaswell.TheyareallSXm