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Cisco Bug: CSCuq00861 - PGW accepts UE GRE Packets from spoofed HSGW address on eHRPD network

Last Modified

Dec 25, 2016

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

15.0(19) 20.0.0 20.0.v0

Description (partial)

Symptom:
PGW accepts UE GRE Packets from spoofed HSGW address on eHRPD network

Conditions:
On ASR5500 setup, after session is brought up in eHRPD network, HSGW sends UE user data packets through a Firewall to the PGW. 
PGW is expected to drop the packets since they have a spoofed HSGW address.
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