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SGW - Security Gateway

In an LTE deployment, security gateways are used as VPN concentrators, terminating IPSec connections between the eNB at the cell site and the SGW in the EPC. In particular, both the S1-MME and S1-U will be protected using an IPSec tunnel which terminates at the SGW.


  • Fully interactive 3GPP based network map
  • Narrated call flows
  • Detailed network procedures

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