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This guide details the configuration of Multi-PDN and Multi-Aux connections in eHRPD environments. It explains the setup of default and auxiliary PDN connections, emphasizing the differences between virtual and real auxiliary connections. It provides step-by-step instructions for configuring network nodes, assigning APNs, and ensuring correct PDN connection flows through diagrams. The guide serves as a practical reference for network engineers looking to implement robust Multi-PDN and Multi-Aux configurations, while maintaining compatibility with standard eHRPD setups.
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Agenda • Config Nodal • Config Node • Message Flow and pcap
Introduction • PDN connections setup: Main service connection(Main A10) is responsible for creating the default PDN connection. aux SoType = 59 is responsible for creating additional PDN connections. • If you configure an “Aux SoType = 59” on Landslide GUI, it’s not a real Aux connection, it just represents an addtionational PDN connection. Its corresponding APN indicates which PDN it connects to. • If you configure an “Aux SoType = 67” on Landslide GUI, it’s a real Aux Connection. Its corresponding APN indicates which PDN this Aux is related with. • If configuring total N PDN connections including main service connection and M real auxiliary service connection, you should set the aux number to N-1+M. • In this test case, I take 2 PDN, and 3 real auxiliary for example.
Presupposition • In successor pages, we use main for short of main service connection, Aux for short of auxiliary service connection. • I just show the difference between Multi-PDN and Multi-Aux with normal eHRPD case. Other parts are configured the same with normal eHRPD case.
Nodal Network Device - Cont The number of LMA Node is the same of number of PDN.
Nodal RP-RP-PDN1 • We should assign N PDN on the first N connections. • The Item in “service instance APN Assignments” is associated with that in “Service Instance Setting”. That is: • Main -> P0 • Aux-1 -> P1 • Aux-2 -> P2 • Aux-3 -> P3 • Aux-4 -> P4
Message Flow for PDN Connection Please refer to section 5.5.4.1.1 of X.S0057-v3 for details.