第七章 A培训之ManagerCisco本章目标通过本章的学习,您应该掌握以下内容:A培训之ManagerCiscoCDP协议 CiscoDiscoveryProtocol是一个提供关于直接相连的交换机、essProtocol(SNAP)上层地址Cisco专有的链路层协议介质必须能够支持SNAPTCP/:#shcdp?DPstatistics<cr>RouterA(config)#nocdprunRouterA(config)#interfaceserial0RouterA(config-if)#A培训之ManagerCisco交换机A同时也显示其Mac地址使用showcdpneighbor命令RouterA#shcdpneighborsCapabilityCodes:R-Router,T-TransBridge,B-SourceRouteBridgeS-Switch,H-Host,I-IGMP,r-#shcdpentry*-------------------------DeviceID:RouterBEntryaddress(es):IPaddress::cisco2522,Capabilities:RouterInterface:Serial0,PortID(outgoingport):Serial1Holdtime:168secVersion:workOperatingSystemSoftwareIOS(tm)2500Software(C2500-JS-L),(3),RELEASESOFTWARE(fci)Copyright(c)1986-1999byciscoSystems,piledMon08-Feb-9918:#DPcounters: Packetsoutput:56,Input:38 Hdrsyntax:0,Chksumerror:0,Encapsfailed:3 Nomemory:0,Invalidpacket:0,Fragmented:0RouterA#shcdpinterfaceBRI0isadministrativelydown,##,100-,timeoutis2seconds:!!!!!essrateis100percent(5/5),round-tripmin/avg/max=4/4/4msRouter##A培训之ManagerCisco路由器加电/启动顺序加电自检(POST)A培训之ManagerCisco
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