SessMgr
There are two sessions, Sxa and N4, that exist on the same SessMgr instance. To converge them, the following logic is used to identify the session:
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For Uplink Packet: Egress FARs F-TEID matches with Ingress PDRs F-TEID.
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For Downlink Packet: Ingress FAR’s F-TEID should match with Egress PDR’s F-TEID.
The F-TEID includes both Tunnel Identifier and the endpoint IP address. After the session is identified, the required information is used in datapath to build the converged datapath.