The local node table contains overall SCCP (MAP and CAP) addressing setup for all entities of the WXC2 System. The local table is used for SCCP addressing. The IP 0 and 1 are IP addresses of the dual server 0 and 1 respectively. Generally the SSN, IP 0 and IP1 are fixed in the local node table, and only MSISDN field needs filling. For All-in-one server (MSS), the IP addresses of MSC, VLR HLR, PPS, SSF, AUC and EIR are same, MSS 0 IP is 172.18.98.1, MSS 1 IP is 172.18.99.1. To modify the local node of a server, click on the name of the server to open the local node set window.