[ndnSIM] questions about AppDelayTrace

[石珊姗]

hi，i have ran ndnsim 1.0 on TCP/UDP protocol using the Helpers of IpFacesHelper.
And i use the ndn::AppDelayTrace to get the trace file ,but when it runs, i can’t get the ndn::AppDelayTrace file ，namely the  ndn::AppDelayTrace file is empty.
the error code:
msg="Unknown NDN header. Should not happen", file=../src/ndnSIM/model/ndn.cc, line=196
> terminate called after throwing an instance of 'ns3::ndn::UnknownHeaderException’


actually，i am not sure whether i use the IpFacesHelper correctly or not，and if need，i can send you the daemon ,can you help me？thank you.



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石珊姗
中国科学院计算机网络信息中心
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