[Nfd-dev] IncomingFaceIdTag is null

[郝广宇]

Dear team,
Below, egw and igw implement intranet/extranet access penetration by creating a TCP link between  egw and igw NFD. Now we encounter a problem: igw always gets faceid as 0 when calling `interest.getTag<ndn::lp::IncomingFaceIdTag>`. Therefore, we cannot obtain the faceid of the TCP link between egw and igw from the interest packet. We want to know why `ndn::lp::IncomingFaceIdTag` is not working. We have confirmed that the interest packet is received via the TCP link. Could it be that support for `IncomingFaceIdTag` is disabled in the compilation of NFD or ndn-cxx, or is there another reason? We need this feature to work. Thank you very much!



BR.
GuangYu
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