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B622-335 LTE CPE
Product Description
Issue01 (2021-07-22)
Copyright © SOYEA TECHNOLOGY CO.,
LTD.
17
3.6 IP Pass-Through
The LTE CPE obtains the WAN IP address and passes it through to the PC (Case 1) or Router
(Case 2), and then the PC (Case 1) or Router (Case 2) can directly use the WAP IP address.
LTE
CPE
SGW
PGW
Internet
RJ45
ROUTER
PC
LTE
CPE
RJ45
PC
CASE 1
CASE 2
3.7 IPv6 Only and IPv4v6 Dual Stack
3.7.1 IPv4v6 Dual Stack
CPE provides dual stack function.
3.7.2 IPv6 Only (CLAT)
The LTE CPE supports IPv6 only with the transition solution CLAT for IPv4 device.
SGW
PGW
MME
IPv6 bear
PLAT
V6
V6
V4
Internet IPv6
Internet IPv4
LTE
UE
IPv6
only
device
IPv4
only
device
CLAT
CPE
When the IPv6 only (CLAT) function is enabled, NAT-based functions (like DMZ/Port
Forwarding/Port tigger) cannot be used.
When an IPv4 device accesses the Internet, the performance is degraded because packets need
to be packetized and unpacked. However, IPv6 devices are not affected.