pon常见故障处理方法.docx

常见故障1. 无法正常发现ONUl 光路问题。超出ONU接受光功率的范围。ONU正常的收光范围为-8到-24DB之间，如果超出此范围的话就会导致设备无法上线；ONU与OLT之间的距离过远。一般测量时，ONU处的接收光功率，不得小于-24db。OLT一般支持最大的ONU距离为20KM，保险的范围是15KM。分光比：距离大于30KM，分光比不超过1：2。距离在25-30KM，分光比不能超过1：4，距离在20-25KM，分光比不能超过1：8。距离在20KM以内，随着距离的远近，分光比在1：32和1：64之内调整。l OLT发光情况。OLT的发光功率在72范围内属于正常发光范围。如果在OLT的PON口上测量光功率过低或无光，需要更换光模块或直接更换PON口测试。l ONU硬件故障。可以通过在OLT上查看ONU的收发光情况判断ONU是否正常，或更换ONU测试。l 长发光ONU影响到其他设备无法正常上线。处理方法可以将光箱侧的分光器摘下，测量从ONU到分光器有没有光上来。如果有光，表示有长发光设备，需找出后更换。如果以上情况都判断没有问题。则需要在OLT侧搭建简单网络环境测试，再逐一排查故障点。2. 设备正常注册，宽带问题l 查看本地连接是否正常，不正常的话查看端口状态或更换网线测试。l 本地连接正常，拨号678问题。ONU上需要查看的问题：查看ONU VLAN 情况，宽带VLAN是否创建了ONU长查看命令：ZXAN# sho vlan sAll created vlan number : 21Details are following : 1,229,301-316,3120查看VLAN 的透传情况ZXAN# sho vlan 301id : 301name : VLAN301Member-limit : disableport(untagged): fei_0/2/1port(tagged) : gei_0/5/1查看MAC地址学习情况，是否能通过业务VLAN 学习到上层BAS和下层用户的MACZXAN# sho macPORT MAC VID TYPE5/1 FC-C8-97-A1-B2-7C 301 dynamic2/1 FC-C8-97-A7-C9-BF 301 dynamic如果无法通过业务VLAN 学习到上层设备的MAC，则需要到OLT上查看设备配置情况。OLT上需要查看的问题外层VLAN是否已经在OLT上联口透传，qinq或service port流设备是否正确。 TaiZhouWuLu_C300#sho vlan 401vlanid :401name :VLAN0401description :N/Amulticast-packet:flood-unknownport(untagged):port(tagged): gei_1/19/3 gpon-onu_1/2/1:1-3:1ZXAN#sho vlan-smart-qinqsmart-qinq item num(used): 1Ingress-Port Begin-Cvlan End-Cvlan Ether-Type Cos Svlan NewCos Error-epon-olt_1/2/1 301 1000 - - 304 - OKJN_BeiLeFen_C300#sho running-config interface epon-onu_1/2/2:1Building configuration.!interface epon-onu_1/2/2:1 admin enable sla upstream fixed 0 fixedpkt 64 assured 100000 maximum 100000 maxburst 95000priority 0 vport 1 sla downstream maximum 90000 vport 1 encrypt direction downstream enable vport 1 mac-bind disable ems-autocfg-request disable switchport mode hybrid vport 1 service-port 1 vport 1 user-vlan 301 to 500 svlan 305 service-port 2 vport 1 user-vlan 206 vlan 206OLT上MAC 地址学习情况：TaiZhouWuLu_C300#sho mac gpon onu gpon-onu_1/2/1:2Total mac address : 1Mac address Vlan id Type Port Vc Time-f4ec.3872.e7c9 401 Dynamic gpon-onu_1/2/1:2 vport 1 00022.9354.8f20 401 Dynamic gei_1/19/3 300如果以上都正常，需要查看OLT到ONU之间是否存在丢包情况，光路是否在正常范围之内，可以通过跟踪信令或到OLT侧直接模拟环境进行测试。3. 语音问题l 有电无音查看语音协议和用户标识是否正确；ZXAN(ag)#h248s /查看语音协议是否正常，OK为正常，BREAK为断开 如果语音协议断开在ONU上PING 软交换地址查看与软交换之间是否是通的。ZXAN#Ping 11.0.18.24PING 11.0.18.24: 56 data bytes64 bytes from 11.0.18.24: icmp_seq=0. time=20. ms64 bytes from 11.0.18.24: icmp_seq=1. time=10. ms64 bytes from 11.0.18.24: icmp_seq=2. time=10. ms64 bytes from 11.0.18.24: icmp_seq=3. time=10. ms64 bytes from 11.0.18.24: icmp_seq=4. time=10. ms-11.0.18.24 PING Statistics-5 packets transmitted,5 packets received,0% packet lossround-trip (ms) min/avg/max = 10/12/20如果不能PING通，则查看语音地址配置情况及语音VLAN 透传情况。ZXAN(ag)# get-voip-configmgid: 1type: mediaipaddr: 10.4.1.10submask: 255.255.255.0nexthop: 10.4.1.1port: 10000-mgid: 1type: controlipaddr: 10.4.1.10submask: 255.255.255.0nexthop: 0.0.0.0port: 2944ZXAN(ag)# sho vlan 3120id : 3120name : VLAN3120Member-limit : disableport(untagged):port(tagged) : gei_0/5/1如果能PING通再查看软交换地址配置是否正确。ZXAN(ag)# get-mgc mgcid 1MGCID: 1MGCTYPE: 2MGCIP: 11.0.18.24MGCPORT: 2944DOMNAME:MGCINFO: USE IPMD5INFO: 0- 1 rows are effected如果语音协议是起来的，则需要查看语音用户标识是否正确配置，语音资源是否正常。ZXAN(ag)#get-slctermidslot3 /查看槽位3的语音用户标识WanKeA7_1_4_F821(ag)# get-slctermid slot 2 slot 2circuit: 0termid: A0mgid: 1-circuit: 1termid: A1mgid: 1-circuit: 2termid: A2mgid: 1-circuit: 3termid: A3mgid: 1-circuit: 4termid: A4mgid: 1-circuit: 5termid: A5mgid: 1-circuit: 6termid: A6mgid: 1-circuit: 7termid: A7mgid: 1-circuit: 8termid: A8mgid: 1-circuit: 9termid: A9mgid: 1-circuit: 10termid: A10mgid: 1-circuit: 11termid: A11mgid: 1-circuit: 12termid: A12mgid: 1-circuit: 13termid: A13mgid: 1-circuit: 14termid: A14mgid: 1-circuit: 15termid: A15mgid: 1- 16 rows are effected查看用户资源是否正常ZXAN(ag)#get-ipsstatus /查看 语音小板的状态idlenum32busynum0blocknum0circuitstatus0IDLE1IDLE2IDLE3IDLE4IDLE5IDLE6IDLE7IDLE8IDLE9IDLE10IDLE11IDLE12IDLE13IDLE14IDLE15IDLE16IDLEl 提机忙音查看语音协议和用户标识及语音资源是否正确；查看外线是否混线。ZXAN(ag)#get-slcstatusbeginslot3 /查看语音板3 的端口状态（IDLE空闲，SIZE为占用，POWEROFF|FAULT为不可用）idlenum8busynum0blocknum24circuitstatus3-0IDLE3-1SIZE3-2IDLE3-3IDLE3-4IDLE3-5IDLE3-6IDLE3-7IDLEl 无电无音查看用户线缆或单板硬件是否正常ZXAN(ag)#get-slcstatusbeginslot4 /查看语音板4 的端口状态（IDLE空闲，SIZE为占用，POWEROFF|FAULT为不可用）4-0POWEROFF|FAULT4-1POWEROFF|FAULT4-2POWEROFF|FAULT4-3POWEROFF|FAULT4-4POWEROFF|FAULT4-5POWEROFF|FAULT4-6POWEROFF|FAULT4-7POWEROFF|FAULT4-8POWEROFF|FAULTl 单通查看设备的语音网关是否配置l 正常呼入，无法呼出，拨号忙音查看号码的匹配方式是否正确ZXAN(ag)# get-mgcapabiliTRACTNUM: 6000SDPCHO: 63RETRANNUM: 6RESDELAY: 60RETRANMIN: 4LKPTTIME: 32PENDTIME: 4PENDCOUNT: 30KPRESTIME: 8TRANIDMAX: 80000TRANIDMIN: 0SIGTOS: 0FAXPRI1: VBDFAXPRI2: T38SUBSUSPENDRTP: SUBHOTLINEWITHSPACE: With Space2833TYPE: RTPIPSTHRESHOLD: 80CONGESTTIME: 10CONGESTTONE: Congestion ToneMATCHTYPE: short matchtypeALLOWPR: AllowedRINGDELAY: 0-mod-mgcapabili matchtype 2或mod-system matchtype 2l 被叫正常