System Manual

Figure [TBD]: Network/ Internet tab for Router/ NAT mode settings (modify screenshot IP Type to
IPv4)
3.8.1.2 L2 bridge mode
The following parameters should be configured (please, refer to the settings shown in the below
screenshot):
Connection Mode defines the CPE networking mode. Should be set to "L2 Bridge"
MGMT and Data interface not relevant for the L2 bridge mode. Leave default value "combined".
MTU defines the Maximum Transmit Unit (maximum IP-level datagram size) before IP-layer
fragmentation. For L2 traffic, it should be changed to "Manual" with value "1600" (bytes). The actual
supported L2 datagram maximum packet size will be 1576 bytes.
IP Type defines the IP stack of the CPE. The following values are available IPv4, IPv6, IPv4v6 (dual
stack). Set to IPv4.