https://www.ccdtt.com/gre-with-ipsec-vs-svti-simos-exam-topics/
GRE with IPSEC VS SVTI | SIMOS Exam Topics - CCDTT
Sep 2, 2019 - A major benefit of VTI is that the configuration does not require a static mapping of an IPsec session to a physical interface.
exam topicsgreipsecvssvti