Change The Mtu Size - NETGEAR Orbi RBR50 User Manual

Note: The default setting of the Connection Mode field is Always On to provide a
steady IPv6 connection. The router never terminates the connection. If the connection
is terminated, for example, when the modem is turned off, the router attempts to
reestablish the connection immediately after the PPPoE connection becomes available
again.
9. Select an IPv6 Domain Name Server (DNS) Address radio button:
• Get Automatically from ISP. Your ISP uses DHCP to assign your DNS servers.
Your ISP automatically assigns this address.
• Use These DNS Servers. If you know that your ISP requires specific servers, select
this option. Enter the IP address of your ISP's primary DNS server. If a secondary
DNS server address is available, enter it also.
10. Select an IP Address Assignment radio button:
• Use DHCP Server. This method passes more information to LAN devices, but
some IPv6 systems might not support the DHCv6 client function.
• Auto Config. This is the default setting.
This setting specifies how the router assigns IPv6 addresses to the devices on your
home network (the LAN).
11. (Optional) Select the Use This Interface ID check box and specify the interface ID
that you want to be used for the IPv6 address of the router's LAN interface.
If you do not specify an ID here, the router generates one automatically from its MAC
address.
12. Select an IPv6 Filtering radio button:
• Secured. In secured mode, which is the default mode, the router inspects both
TCP and UDP packets.
• Open. In open mode, the router inspects UDP packets only.
13. Click the Apply button.
Your settings are saved.

Change the MTU size

The maximum transmission unit (MTU) is the largest data packet a network device
transmits. When one network device communicates across the Internet with another,
the data packets travel through many devices along the way. If a device in the data path
Specify Your Internet Settings
Orbi WiFi System
41 User Manual