opnet核心网仿真问题

问题描述：

请教各位，

这个问题怎么解决呀？谢谢！

我原以为要在SGSN中配置GTP（像在GGSN配置一样），但SGSN中没有这个attribute，那这个该怎么办呢？

Beginning simulation of SN-scenario2 at 11:46:04 ÐÇÆÚÈý ËÄÔÂ 08 †
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Kernel: optimized, sequential
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Simulation terminated by process (umts_gtp) at module (top.Logical Network.sgsn.gtp)
T (0), EV (239), MOD (top.Logical Network.sgsn.gtp), PROC (op_sim_end)
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Error in GTP process model:
Wrong Core Netwrok Configuration.
Simulation will stop.
No corresponding GTP module was found in a RNC or SGSN nodes.

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Simulation Completed - Collating Results.
Events: Total (265), Average Speed (770 events/sec.)
Time: Elapsed (0.34 sec.), Simulated (0.00 sec.)
Simulation Log: 1 entries
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DES log messages have been generated.
These typically report on simulation behavior, misconfiguration issues, etc.
You may wish to examine these log messages by selecting DES->Open DES Log.

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