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Cisco ePDG Evolved Packet Data Gateway

Strong, Highly Secure Support for Mobile Networks

Cisco Evolved Packet Data Gateway (ePDG) is critical to the network function of the 4G mobile core network, known as the evolved packet core (EPC). The ePDG is responsible for interworking between the EPC and untrusted non-3GPP networks that require secure access, such as a WiFi, LTE metro, and femtocell access networks. The ePDG function is supported by the industry-leading Cisco ASR 5000 Series and provides:

  • High throughput
  • High call transaction rates
  • Industry leading IPSec tunnels terminated
  • Rapid packet processing
  • Significant memory resources

Security for Mobile Roaming, and More

The ePDG can use either IPSec/IKEv2  or proxy mobile IPv6 (in case the mobile subscriber is roaming in an untrusted non-3GPP system)  for highly secure access to the EPC network. The ePDG builds strength and security into the network using:

  • Tunnel authentication and authorization
  • Transport level packet marking in the uplink
  • Policy enforcement of Quality of Service (QoS) based on information received via Authorization, Authentication, Accounting (AAA)
  • Lawful interception, and other functions

ePDG Primary Features

  • Integration of multiple core network functions in a single node
  • Superior performance and backhaul security through IPSec tunnels, tunnel set-up rates, throughput, and deep packet inspection (DPI)
  • Real-time subscriber, service, and application intelligence with enforcement through Cisco's In-line Services
  • High-availability and 99.999 percent system availability.

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EPC Considerations Video Blog (Part 1 of 3)

Learn about 10 EPC considerations. (3:43 min)

EPC Considerations Video Blog (Part 1 of 3)

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EPC Considerations Video Blog (Part 2 of 3)

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EPC Considerations Video Blog (Part 2 of 3)

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EPC Considerations Video Blog (Part 3 of 3)

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