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CRADLEPOINT CBA750 | USER MANUAL Firmware ver. 1.9.0
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4.5.2 Packet Settings
Use this section to configure the WAN packet settings.
MTU. The MTU, or maximum transmission unit, is the size in bytes of the largest packet that can pass through the
network. Enter 0 to set this to the default MTU.
4.5.3 DNS Settings
Use the WAN Configuration sub-menu to configure the network settings for the modem WAN.
DNS Address. You can acquire a DNS Address automatically from your ISP/Cellular Provider or set the DNS address
manually. Choose from the following options to set the DNS address:
Get Automatically from ISP/Cellular Provider.
Use the Following DNS Servers. Select this option if you want WiFi clients to access DNS servers that you use
for customized addressing or if you have a local DNS server on your network. Then fill in the following fields:
o Primary DNS Server. Enter the IP address of the server you want as your Primary DNS Server in this field.
o Secondary DNS Server. Enter the IP address of the server you want as your Secondary DNS Server in this
field.
4.5.4 WAN Ping
Enable WAN Ping Respond. If you enable this feature, the
WAN port of your router will respond to ping requests from the
Internet that are sent to the WAN IP Address.