ccnp 3 4implementing advanced cisco ios features以伙伴關(guān)系幫助客戶成功員工合作伙伴

ImplementingAdvancedCiscoIOSFeatures DynamicHostConfigurationConfiguringaDHCPRouter(config)#ipRouter(config)#ipdhcppool[poolEnablesaDHCPpoolforusebyRouter(config-dhcp)#networkRouter(config-dhcp)#network[networkaddress][subnetSpecifiesthenetworkandsubnetmaskoftheRouter(config-dhcp)#default-routerRouter(config-dhcp)#default-router[hostSpecifiesthedefaultrouterforthepooltoRouter(config-ipipaddressEnablesaCiscoIOSdevicetoobtainanIPaddressdynamicallyfromaDHCPserverHelperAddressingRoutersdonotforwardbroadcasts,byHelperaddressprovidesselectiveWhyUseaHelper sdonotknowtheserverHelperschangebroadcasttounicasttoreachIPHelperAddressiphelper-addressiphelper-addressEnablesforwardingandspecifiesdestinationaddressformainUDPbroadcastpacketsChangesdestinationaddressfrombroadcasttounicastordirectedbroadcastaddressipipforward-protocol{udp[port]SpecifieswhichprotocolswillbeOption電路ID（即CircuitID）: ID（即RemoteID）， 接入交換機(jī)的vlanMAC地址。DHCPVerificationshowshowipdhcp ysrecentactivityontheDHCPshowshowipdhcpserverShowscountinformationaboutstatisticsandmessagessentandreceivedshowshowiproute ysroutesaddedtotheroutingtablebydebugdebugipdhcpserver{events|packets|EnablesdebuggingontheDHCP %SYS-5-CONFIG_I:Configuredfromconsoleby%FACILTY-SUBFACILITY-SEVERITY-MNEMONIC:message%SYS-5-CONFIG_I:Configuredfromconsolebyconsole;-FACILITY-描述哪個(gè)協(xié)議、模塊或者進(jìn)程產(chǎn)生的信息，如SYSSEVERITY:設(shè)備上 級別分為0到7總共8個(gè)級0Emergency緊急、1Alert：警報(bào)、2 、3Error:4Warning:警告5notifications：通知、6Informational：信息、7Debugging:調(diào)試MNEMONIC:AcodethatidentifiestheactionSP et成功，幫助員工成功，幫助合作伙伴成功IPIPSLAisafeaturethatenablesaCiscorouterorswitchtosimulatespecifictypesoftrafficandsendittoareceiver,calledaresponder. IPSLAprobescansimulatevarioustypesoftraffic,suchasHTTP,FTP,DHCP,UDPjitter,UDPecho,HTTP,TCPconnect,ICMPecho,ICMPpathecho,ICMPpathjitter,andDNS,andcanreportstatisticssuchaspathSNMPSNMP定義為應(yīng)用層協(xié)議，因而它依賴于UDPSNMP1）?絡(luò)管理系統(tǒng)（NMS，Network-management2）被管理的設(shè)備（managed 者網(wǎng)絡(luò)管理系統(tǒng) 收集網(wǎng)絡(luò)設(shè)備信息的方式：定期輪詢、Trap報(bào)MIB：ManagementInformationBase：管理信息庫可以通 認(rèn)證控 read-only(RO)orread-SNMP版本：V1V2 2、SNMPv3——noAuthNoPriv——authNoPriv——authPriv:Thefollowingconfigurationcreatesastandardaccesslistthatallowsonlytrafficsourcedfromthehostat.CreatedCommunity-String“c1sc0”forread-writeaccess.Read-writeaccessispermittedonlyfromthehostspecifiedinaccesslist1.Next,theSNMPserveraddressisgiven,alongwiththetosendtrapsmessagestothatserver.s