1、Alcatel MFS 高级培训,MFS高级培训,MFS overview B8 Improvement GPRS信令跟踪简介 常见问题和解决思路,MFS高级培训,MFS overview B8 Improvement GPRS信令跟踪简介 常见问题和解决思路,MFS overview,MFS equipmentMFS position in network MFS equipped with the AS800 server rackMFS equipped with the DS10 RC23 server rackMFS equipped with the DS10 RC40 serve
2、r rackHardware Overview,MFS equipment,MFS overview,MFS position in network,MFS overview,MFS equipped with the AS800 server rack,MFS overview,MFS equipped with the DS10 RC23 server rack,MFS overview,MFS equipped with the DS10 RC40 server rack,MFS overview,Different between MFS DS10 RC40 server rack a
3、nd RC23,MFS overview,BDTRU,MFS overview,BDTRU,MFS overview,Telecom rack,This subrack contains:Fan unit Power unit Telecommunication,MFS overview,FAN,MFS overview,FAN,If the system overheats:There is a station switch-overThe converter switches the power supply off, if it detects a temperature above 7
4、0,FAN LED,MFS overview,BE35B2,BE35B2 LED,JBETI,MFS overview,JBETI LED,MFS overview,GPU,GPU LEDAttention: When insert/remove JBGPU wait at least 30 seconds before another insert/remove operation.,MFS overview,With AS800,With DS10,IOLAN,MFS overview,The IOLAN is only used for the AS800 or DS10 server
5、subrack configuration or maintenance. If the IOLAN fails there is no effect on the telecom functions and the replacement can be carried out without any effect on traffic.LED,AS800 server subrack,MFS overview,AS800,MFS overview,AS800,MFS overview,AS800 server,AS800 server LEDs(from left to right ),AS
6、800 local disk LEDs(from upper to lower ),MFS overview,AS800 local disk,AS800 shared disk LEDs (from upper to lower ),MFS overview,AS800 shared disk,MFS overview,DS10,DS10 server,MFS overview,DS10 server LEDs(from left to right ),MFS overview,DS10 RC23-storage work shelf,Storageworks shared disk LED
7、s,MFS overview,DS10 RC23-storage work shelf,DS10 RC23-storage work shelf,MFS overview,Storageworks power supply LEDs,MFS overview,Clock synchronization:Autonomous mode Central clock modeFix synchronization source mode,Clock synchronization,MFS overview,MFS IMT,MFS IMT(Installation and maintenance Te
8、rminal)Local and remote terminal of the MFSAlcatel platform for GPRSFunction: Backup, Software change, alarm, Nectar and GPU status, parameter, switchover, synchronize mode, reset data, reset all, MFS version, board trace, BUI, etc.,MFS overview,MFS IMT,MFS overview,OMC-R,OMC-RFunction: Configure GP
9、RS, declare MFS, some operation about GPRS, etc.,MFS overview,日常维护的几个主要内容：MFS与OMC连接backup MIB查看nectar状态查看counter生成是否正常查看MFS alarm. 文件系统的容量,MFS overview,MFS与OMC的连接打开OMC上的DCN/OAM窗口，检查MFS与OMC-R的连接状态是否正常：supervision state:supervisedoperational state:enable,MFS overview,MFS与OMC的连接,MFS overview,Backup MIB
10、Manual backup Automatic backup,MFS overview,Backup,MFS overview,Nectar view,AS800,MFS overview,Nectar view,DS10 RC23,MFS overview,Nectar view,DS10 RC40,MFS overview,文件系统容量,#df k 若结果为 Filesystem 1024-blocks Used Available Capacity Mounted on root_domain#root 512000 93941 412224 19% / /proc 0 0 0 100%
11、 /proc usr_domain#usr 1536000 686791 829840 46% /usr var_domain#var 1024000 1017484 1344 100% /var user_domain#user 1024000 16 1019624 1% /user system_domain#system 2560000 16 2555432 1% /system,MFS overview,MFS日常维护的几个注意点：所有的操作流程都应当按照相关文档执行Switchover前一定要检查两个server的进程、状态; switchover过程中不要接入shared disk
12、Backup文件要及时存放在安全地方（local disk or OMC）在MFS运行正常的情况下不要轻易去停止nectar有任何问题及时联系Alcatel工程师,MFS高级培训,MFS overview B8 Improvement GPRS信令跟踪简介 常见问题和解决思路,B8 Improvement Coding Schemes,GPRS Coding Schemes (CS):EGPRS Modulation and Coding Schemes (MCS):,New B8,New B8,B8 Improvement TRX Transmission Pools,5 Types of
13、TRX Transmission Pool are defined,Abis,32 Timeslots,Reservation on Abis new concepts on Abis: Extra Abis TS (EXTS)- Abis TS reserved for the additional HSDS traffic TRX Transmission Pools- Pool of Extra Abis TS,B8 Improvement TRX Transmission Pools,B8 Improvement New O&M parameters,Per TRX: No more
14、GPRS-Pref-mark TRX-Pref-Mark = 0 PS traffic allowed,Per Cell:Max_Gprs_CS CS2, CS3 or CS4 EN_EGPRS = True MCS1-MCS9 allowed PS_PREF_BCCH_TRX = True PS on BCCH Max_EGPRS_CS MCS1-MCS9 En_fast_initial_GPRS_access enable or disable TBF_DL_INIT_MCS MCS1-MCS9 TBF_UL_INIT_MCS MSC1-MCS4CS3/CS4 and EGPRS are
15、two optional features,B8 Improvement New O&M parameters,B8 Improvement New O&M parameters,B8 Improvement General New B8 Requirements,PS allocation on BCCH TRX may be favored by operator DR TRE shall be preferentially used for CS allocations G4 TRE or M5M shall be preferentially used for PS allocatio
16、n TRE with 8-PSK HP capability shall be preferentially used for PS allocation,B8 Improvement,Increase your data network capacity .,SUPPORT OF 30 GPUs + 2 SPARE PER MFS (only for DS10 hardware),Only 22 GPUs supported per MFS in the previous release,MFS高级培训,MFS overview B8 Improvement GPRS信令跟踪简介 常见问题和
17、解决思路,GPRS信令跟踪简介 GSL,K12XX logical link setup设置如下：Handle as：Monitoring Pair First in Pair：选择对应的模块和端口号 Protocol Stack： Gsl_BscXp_B8.stk (B8) Level 2 Method： HDLC Timeslot：在Number中选取gsl所在的第28时隙 （Highway 100%给gprs使用时）在BitRate中选择64KBit/s在 Subslot中选择 not available Suppression: full(注意：如果目标小区所在bsc配置多路highw
18、ay承载gprs，应全部跟踪，否则可能遗漏目标小区的相关信令。),K12XX logical link setup设置如下：Handle as：Monitoring Pair First in Pair：选择对应的模块和端口号 Protocol Stack：gprs_gb_31.stk default Level 2 Method： Fractional Mode (见备注） Timeslot：选中Fractional ，在时隙映射表中选中gb接口占用的时隙，可以多个64Kbit/s连选。 Suppression: full （备注：如果在Level 2 Method中没有Fractional
19、 Mode选项，应在主菜单中选Tools -DS1/E1 Default Start Mode ，在弹出窗口中选择 Special Mode系统会要求重新启动K1297，确定后退出。重新打开K1297后，在Level 2 Method中就可以找到Fractional Mode ） （注意：如果目标小区所在bsc有多路Gb接口，应全部跟踪，否则可能遗漏目标小区的相关信令。）,GPRS信令跟踪简介 GB,MFS高级培训,MFS overview B8 Improvement GPRS信令跟踪简介 常见问题和解决思路,常见问题和解决思路,MFS与OMC连接中断 GSL is disabled Gb配
20、好后有告警 MFSUSM窗口不能正常打开 Cell gprs function disabled,常见问题和解决思路 MFS与OMC连接中断,MFS和OMC连接中断原因： 传输、MFSIM进程解决方案：检查MFS和OMC的物理连接检查MFS station是否正常重启MFSIM进程,GSL is disabled原因： 主要问题在于传输方面解决方案：检查传输检查ASMB, DTC检查GPU错误的操作检查GB配置,常见问题和解决思路 GSL is disabled,Gb配好后有告警：“no reply from network” 或 “no reply from SGSN”原因： 主要问题在于传
21、输方面解决方案：检查Gb传输是否好检查配置的数据是否与SGSN一致如果MFS和SGSN之间还有其他设备，确保时隙对应对于Gb数据，应当有书面备份，并及时更新数据,常见问题和解决思路 Gb配好有告警,常见问题和解决思路 MFSUSM窗口不能正常打开,MFSUSM窗口不能正常打开Case 1:此时MFS与OMC-R连接正常 当至少有一个bssim进程 (对应的BSS是associate到MFS的)不正常工作，此时MFS equipment是不能完全打开的，它将进入“Limited Mode”(Ater supervision window是空的，但Gb部分是不受影响的).解决方案： 等待bssim
22、进程处理正常，重新打开MFSUSM窗口 如果上述方法无效，在DCN窗口中Force Remove相关的BSS.,MFSUSM窗口不能正常打开Case 2: 此时MFS与OMC-R连接正常 当MFSUSM窗口在开启状态下，至少有一个bssim进程(对应的BSS是associate到MFS的)不正常工作，将弹出一个确认消息（Communication error with OMC3 agent. Exiting from MFSUSM），关闭MFSUSM窗口. 解决方案： 等待bssim进程处理正常，重新打开MFSUSM窗口 如果上述方法无效，在DCN窗口中Force Remove相关的BSS.,常见问题和解决思路 MFSUSM窗口不能正常打开,常见问题和解决思路 Cell gprs function disabled,Cell gprs function is disabled主要原因：承载GPRS的载频硬件故障不当操作导致RSL-TRX mapping问题解决方案：排除硬件故障调整承载GPRS的TRX,Thanks！,www.alcatel-,
