寫寫筆記

CDP 1.CDP會有安全性的疑慮,建議非必要還是關掉! 2.Data Link Layer, Multicast S2950# show cdp neighbors Capability Codes: R - Router, T - Trans Bridge, B - Source Route Bridge                   S - Switch, H - Host, I - IGMP, r - Repeater, P - Phone Device ID        Local Intrfce     Holdtme    Capability  Platform  Port ID Switch           Fas 0/8            145          S I      WS-C3750G- Gig 1/0/9 S2950# show cdp entry Switch ------------------------- Device ID: Switch Entry address(es):   IP address: 192.168.1.150 Platform: cisco WS-C3750G-24T,  Capabilities: Switch IGMP Interface: FastEthernet0/8,  Port ID (outgoing port): GigabitEthernet1/0/9 Holdtime : 131 sec Version : Cisco IOS Software, C3750 Software (C3750-IPSERVICESK9-M), Version 12.2(55)SE9, RELEASE SO     ...