LTE CPE B2368 User's
Guide 8 Network Address Translation (NAT)
Issue 01 Copyright © Huawei Technologies Co., Ltd. 74
IP addresses to escape the global address, which is required for communication with hosts on other networks. It replaces
the original default IP address (and source port number, TCP or UDP NAT translation at N: 1 or M: N) in each packet,
which is then sent to the Internet. LTE modem keeps a record of the original IP addresses and port numbers so incoming
packets can easily restore the original values. The following diagram describes the principle described above.
Figure 8-7 How NAT works Figure 8-7 How NAT works
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