思科cisco3560

知NTP韦家宁2020-05-30发表S12508与思科3560对接NTP典型组网配置案例组网及说明S12508与思科3560对接NTP典型组网配置,其中S12508为时钟源,思科3560为客户端S12508版本信息如下:H3CComwarePlatformSoftwareComwareSoftware,Version5.
20,Release1828P05Copyright(c)2004-2014HangzhouH3CTech.
Co.
,Ltd.
Allrightsreserved.
H3CS12508uptimeis58weeks,4days,15hours,32minutesLastrebootreason:Userreboot思科3560版本信息如下:CiscoIOSSoftware,C3560Software(C3560-IPSERVICES-M),Version12.
2(35)SE5,RELEASESOFTWARE(fc1)Copyright(c)1986-2007byCiscoSystems,Inc.
CompiledThu19-Jul-0718:15bynachenImagetext-base:0x00003000,data-base:0x01300000ROM:BootstrapprogramisC3560bootloaderBOOTLDR:C3560BootLoader(C3560-HBOOT-M)Version12.
2(25r)SEE4,RELEASESOFTWARE(fc1)WAI-F7-XZC-1uptimeis31weeks,5days,17hours,24minutesSystemreturnedtoROMbypower-onSystemrestartedat23:07:18chinaSunOct202019Systemimagefileis"flash:c3560-ipservices-mz.
122-35.
SE5/c3560-ipservices-mz.
122-35.
SE5.
bin"ciscoWS-C3560G-48TS(PowerPC405)processor(revisionF0)with122880K/8184Kbytesofmemory.
ProcessorboardIDFOC1442Z4FZLastresetfrompower-on2VirtualEthernetinterfaces52GigabitEthernetinterfacesThepassword-recoverymechanismisenabled.
512Kbytesofflash-simulatednon-volatileconfigurationmemory.
BaseethernetMACAddress:B4:14:89:E7:D1:80Motherboardassemblynumber:73-10214-06Powersupplypartnumber:341-0107-01Motherboardserialnumber:FOC14425UBWPowersupplyserialnumber:AZS143501S4Modelrevisionnumber:F0Motherboardrevisionnumber:A0Modelnumber:WS-C3560G-48TS-ESystemserialnumber:FOC1442Z4FZTopAssemblyPartNumber:800-27479-03TopAssemblyRevisionNumber:A0VersionID:V05CLEICodeNumber:COMBG10BRAHardwareBoardRevisionNumber:0x09SwitchPortsModelSWVersionSWImage*152WS-C3560G-48TS12.
2(35)SE5C3560-IPSERVICES-MConfigurationregisteris0xF配置步骤S12508NTP时钟源配置信息如下:ntp-servicerefclock-master2interfaceVlan-interface4ipaddress10.
190.
4.
254255.
255.
255.
0vrrpvrid4virtual-ip10.
190.
4.
1vrrpvrid4priority105packet-filter3002inboundpacket-filter3002outbound思科3560NTP配置如下:ntpserver10.
190.
9.
1S12508查看NTP显示信息:disntpstatusClockstatus:synchronizedClockstratum:2ReferenceclockID:127.
127.
1.
0Nominalfrequency:100.
0000HzActualfrequency:100.
0000HzClockprecision:2^14Clockoffset:0.
0000msRootdelay:0.
00msRootdispersion:43.
43msPeerdispersion:10.
00msReferencetime:08:26:28.
027UTCMay302020(E27C9734.
072367E4)disntpsessionssourcereferencestrareachpollnowoffsetdelaydisper[12345]127.
127.
1.
0LOCL125564440.
00.
01.
0note:1source(master),2source(peer),3selected,4candidate,5configuredTotalassociations:1思科3560查看NTP显示信息:shntpstatusClockissynchronized,stratum3,referenceis10.
190.
9.
1nominalfreqis119.
2092Hz,actualfreqis119.
2075Hz,precisionis2**18referencetimeisE27C96FA.
5A6B2A48(16:25:30.
353chinaSatMay302020)clockoffsetis-0.
0319msec,rootdelayis0.
98msecrootdispersionis43.
59msec,peerdispersionis0.
06msecshntpassociationsaddressrefclockstwhenpollreachdelayoffsetdisp*~10.
190.
9.
1127.
127.
1.
024795123771.
0-0.
030.
1*master(synced),#master(unsynced),+selected,-candidate,~configured配置关键点1、确保时钟源和时钟客户端路由可达.
2、时钟源及时钟客户端都需要开启NTP功能.
3、时钟客户端指定时钟源为NTP服务器.
4、时钟源所在的设备配置为时钟源.