網(wǎng)絡(luò)環(huán)境管理Cisco發(fā)現(xiàn)協(xié)Cisco發(fā)現(xiàn)協(xié)議是一 應(yīng)用程序，用于提供直連的交換機、由器和其它Cisco設(shè)備 信息Cisco發(fā)現(xiàn)協(xié)議會發(fā)現(xiàn)鄰居設(shè)備，無論它們運行的是何種協(xié)議簇物理介質(zhì)必須支持SNAP使用Cisco發(fā)現(xiàn)協(xié)議發(fā)現(xiàn)鄰Cisco發(fā)現(xiàn)協(xié)議在CiscoIOS設(shè)備上運行信息包括設(shè)備標識地址列端口標識功能列平使用Cisco發(fā)現(xiàn)協(xié)議 #showcdp

InformationforspecificneighborentryCDPinterfacestatusandconfigurationCDPneighborsentriesCDP (config)#nocdp (config)#interface (config-if)#nocdp#showcdp#showcdpInformationforspecificneighborentryCDPinterfacestatusandconfigurationCDPneighborentriesCDP… (config)#nocdp!DisableCDP (config)#interface (config-if)#nocdp!DisableCDPonjustthis使用showcdpneighbors命 #showcdpCapabilityCodes:R-Router,T-TransBridge,B-SourceRouteS-Switch,H-Host,I-IGMP,r-DeviceID LocalIntrfce tformPortID SI WS-C2960-fa0/2 RSI 使用showcdpentry命DeviceID:RouterBIPaddress:tform:Cisco2811,Capabilities:RouterSwitchIGMPHoldtime:155secVersionCiscoIOSSoftware,2800Software(C1841-ADVIPSERVICESK9-M),VersionTechnical Copyright(c)1986-2006byCiscoSystems,Inc.CompiledFri17-Nov-0612:02byprod_rel_teamCisco發(fā)現(xiàn)協(xié)議的其它命 #showcdptrafficCDPcounters:Totalpacketsoutput:8680,Input:Hdrsyntax:0,Chksumerror:0,Encapsfailed:5Nomemory:0,Invalidpacket:0,Fragmented:0CDPversion1advertisementsoutput:0,Input:0CDPversion2advertisementsoutput:8680,Input: #showcdpinterfaces0/0/0Serial0/0/0isup,lineprotocolisupEncapsulationSendingCDPpacketsevery60secondsHoldtimeis180seconds創(chuàng)建網(wǎng)絡(luò)總結(jié)設(shè)備有關(guān)的信息Cisco發(fā)現(xiàn)協(xié)議Cisco發(fā)現(xiàn)協(xié)議鄰居交換信息可以全面或逐端口地啟用或禁用路由器上的Cisco發(fā)現(xiàn)協(xié)showcdpneighbors命令可顯示路由器Cisco發(fā)現(xiàn)協(xié)議鄰居showcdpentry、showcdptrafficshowcdpinterface令可顯示Cisco設(shè)備上的Cisco發(fā)現(xiàn)協(xié)議詳細信息障排LAN連接使 net連接 設(shè)查 net連接RouterB#show查看SSHRouterB#show0Session暫停和恢 net會關(guān) net會話使 和traceroute命 TypeescapesequencetoSending5,100-byteICMPEchosto0,timeoutis2Successrateis100percent(5/5),round-tripmin/avg/max=4/4/4RouterX#traceTypeescapesequencetoabort.Tracingtherouteto011p1r1(9)20msec16msec162p1r2(8)48msec* 44msec測試 設(shè)備的連通性和路總結(jié)連接 設(shè)備后，您可能希望 本地設(shè)備的同