MTU不一致导致线路周期性丢包.docx
- 文档编号:7118614
- 上传时间:2023-01-19
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- 页数:28
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MTU不一致导致线路周期性丢包.docx
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MTU不一致导致线路周期性丢包不一致导致线路周期性丢包MTU协商不一致导致线路周期性丢包一、网络拓扑情况,二、网络大致情况说明:
该网络采用思科4507交换机作为该单位网络核心交换机设备,因前期施工和后期成本等问题,导致该网络到互联网和到上级集团公司的专线接入均在一台接入交换机原3560上,该设备和其他接入交换机一样,上行链路均采用trunk方式和思科4507连接,由于对端返程路由等配置(对端接入设备的下一跳思科4507,不是接入交换机3560)问题、此台3560接入交换机工作于透明模式。
到分公司的网络通过4507连接的一台3507路由器连接。
三、问题说明因该单位网络改造等原因,特用H3C的汇聚交换机5500替换原接入3650交换机所在网络位置(如红色圆圈表示),配置均采取和原接入交换机思科3560一致,该设备配置量只有上行接口trunk封装、用户vlan、管理地址(1.1.1.2)、指向核心设备4507的默认路由等。
UserAccessVerificationPassword:
3550-bgenPassword:
3550-bg#showrunBuildingconfiguration.Currentconfiguration:
5028bytes!
version12.2noservicepadservicetimestampsdebuguptimeservicetimestampsloguptimeservicepassword-encryption!
hostname3550-bg!
enablesecret5$1$TEZy$Z3dYM7Yz6p4tR4pfzj9O6.enablepassword7094F471A1A0A!
usernamecisconoaaanew-modelsystemmturouting1500ipsubnet-zeroiprouting!
nofileverifyautospanning-treemodepvstspanning-treeextendsystem-id!
vlaninternalallocationpolicyascending!
interfaceFastEthernet0/1descriptioninternetswitchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/2descriptionguangyuwangswitchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/3switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/4switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/5switchportaccessvlan3switchportmodeaccess!
interfaceFastEthernet0/6descriptionshipinhuiyiswitchportaccessvlan3switchportmodeaccess!
interfaceFastEthernet0/7descriptionBG-shebeibuswitchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/8descriptionBG-cheduiswitchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/9switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/10switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/11switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/12switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/13switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/14switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/15switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/16switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/17switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/18switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/19switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/20switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/21switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/22switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/23switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/24switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/25switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/26switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/27switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/28switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/29switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/30switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/31switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/32switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/33switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/34switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/35switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/36switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/37switchportaccessvlan2switchportmodeaccessspeed100duplexfull!
interfaceFastEthernet0/38switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/39switchportaccessvlan2switchportmodeaccessspeed100duplexfull!
interfaceFastEthernet0/40switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/41switchportaccessvlan2switchportmodeaccessspeed100duplexfull!
interfaceFastEthernet0/42switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/43switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/44switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/45switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/46switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/47switchportaccessvlan2switchportmodeaccess!
interfaceFastEthernet0/48descriptionHS-BGswitchporttrunkencapsulationdot1qswitchporttrunkallowedvlan2,3switchportmodetrunk!
interfaceGigabitEthernet0/1descriptionHS-BGswitchporttrunkencapsulationislswitchportmodetrunk!
interfaceGigabitEthernet0/2switchportmodedynamicdesirable!
interfaceGigabitEthernet0/3switchportmodedynamicdesirable!
interfaceGigabitEthernet0/4switchportmodedynamicdesirable!
interfaceVlan1descriptionguanliipaddress1.1.1.2255.255.255.0!
ipclasslessiphttpserver!
control-plane!
linecon0linevty04password7094F471A1A0Aloginlinevty515login!
monitorsession1sourceinterfaceFa0/1end3550-bg#核心交换机思科4507配置:
该设备配置量为用户网关、vlan配置、到集团公司、互联网、分公司的静态路由配置。
Password:
4507-misenPassword:
4507-mis#showrunBuildingconfiguration.Currentconfiguration:
16281bytes!
version12.2noservicepadservicetimestampsdebuguptimeservicetimestampsloguptimeservicepassword-encryptionservicecompress-confignoservicedhcp!
hostname4507-mis!
enablepassword7110A1016141D!
usernameciscoipsubnet-zero!
spanning-treemodepvstspanning-treeextendsystem-idpowerredundancy-moderedundant!
redundancymoderpr!
interfaceGigabitEthernet1/1!
interfaceGigabitEthernet1/2!
interfaceGigabitEthernet2/1!
interfaceGigabitEthernet2/2!
interfaceGigabitEthernet3/1descriptionHS-JKswitchporttrunkencapsulationislswitchportmodetrunk!
interfaceGigabitEthernet3/2descriptionHS-TXswitchporttrunkencapsulationislswitchportmodetrunk!
interfaceGigabitEthernet3/3descriptionHS-BGswitchporttrunkallowedvlan2switchporttrunkallowedvlanadd3switchporttrunkencapsulationdot1qswitchportmodetrunk!
interfaceGigabitEthernet3/4descriptionHS-SM-1switchporttrunkencapsulationislswitchportmodetrunk!
interfaceGigabitEthernet3/5descriptionHS-SM-2switchportaccessvlan3switchporttrunkencapsulationislswitchportmodeaccess!
interfaceGigabitEthernet3/6switchportaccessvlan4switchportmodeaccess!
interfaceGigabitEthernet4/1switchportaccessvlan4switchportmodeaccessipaccess-group1in!
interfaceGigabitEthernet4/2switchportaccessvlan4switchportmodeaccess!
interfaceGigabitEthernet4/3switchportaccessvlan4switchportmodeaccess!
interfaceGigabitEthernet4/4switchportaccessvlan4switchportmodeaccess!
interfaceGigabitEthernet4/5switchportaccessvlan4switchportmodeaccess!
interfaceGigabitEthernet4/6switchportaccessvlan4switchportmodeaccess!
interfaceGigabitEthernet5/1!
interfaceGigabitEthernet5/2!
interfaceGigabitEthernet5/3!
interfaceGigabitEthernet5/4!
interfaceGigabitEthernet5/5!
interfaceGigabitEthernet5/6switchportaccessvlan4switchportmodeaccess!
interfaceFastEthernet6/1descriptionSMswitchportaccessvlan3switchportmodeaccess!
interfaceFastEthernet6/2descriptionsisswitchportaccessvlan3!
interfaceFastEthernet6/3switchportaccessvlan3!
interfaceFastEthernet6/4descriptionHS-BGswitchporttrunkencapsulationislswitchportmodetrunk!
interfaceFastEthernet6/5switchportaccessvlan4!
interfaceFastEthernet6/6switchportaccessvlan4!
interfaceFastEthernet6/7description346-2switchportaccessvlan4!
interfaceFastEthernet6/8switchportaccessvlan4!
interfaceFastEthernet6/9switchportaccessvlan4!
interfaceFastEthernet6/10switchportaccessvlan4speed100duplexfull!
interfaceFastEthernet6/11descriptionoa-serverswitchportaccessvlan2!
interfaceFastEthernet6/12switchportaccessvlan4!
interfaceFastEthernet6/13switchportaccessvlan4!
interfaceFastEthernet6/14switchportaccessvlan4!
interfaceFastEthernet6/15switchportaccessvlan4!
interfaceFastEthernet6/16switchportaccessvlan4!
interfaceFastEthernet6/17switchportaccessvlan4!
interfaceFastEthernet6/18switchportaccessvlan4!
interfaceFastEthernet6/19switchportaccessvlan4!
interfaceFastEthernet6/20switchportaccessvlan4!
interfaceFastEthernet6/21switchportaccessvlan4!
interfaceFastEthernet6/22switchportaccessvlan4!
interfaceFastEthernet6/23switchportaccessvlan4!
interfaceFastEthernet6/24switchportaccessvlan4!
interfaceFastEthernet6/25switchportaccessvlan4!
interfaceFastEthernet6/26switchportaccessvlan4!
interfaceFastEthernet6/27switchportaccessvlan4!
interfaceFastEthernet6/28switchportaccessvlan2!
interfaceFastEthernet6/29switchportaccessvlan4!
interfaceFastEthernet6/30descriptionbeiyong-3switchportaccessvlan3!
interfaceFastEthernet6/31switchportaccessvlan3!
interfaceFastEthernet6/32switchportaccessvlan3!
interfaceFastEthernet6/33switchportaccessvlan3!
interfaceFastEthernet6/34switchportaccessvlan4!
interfaceFastEthernet6/35switchportaccessvlan3!
interfaceFastEthernet6/36switchportaccessvlan3!
interfaceFastEthernet6/37switchportaccessvlan3!
interfaceFastEthernet6/38switchportaccessvlan3!
interfaceFastEthernet6/39switchportaccessvlan3!
interfaceFastEthernet6/40switchportaccessvlan3!
interfaceFastEthernet6/41switchportaccessvlan3!
interfaceFastEthernet6/42switchportaccessvlan3!
interfaceFastEthernet6/43switchportaccessvlan3!
interfaceFastEthernet6/44switchportaccessvlan3!
interfaceFastEthernet6/45descriptiontuoliuswitchportaccessvlan3!
interfaceFastEthernet6/46descriptiontuoliuswitchportaccessvlan3!
interfaceFastEthernet6/47desc
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- MTU 不一致 导致 线路 周期性