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Orbi Pro WiFi 6 AX5400 Router Model SXR50 and Orbi Pro WiFi 6 AX5400 Satellite Model SXS50
proxying is disabled. If you clear the check box, IGMP proxying is enabled and
you can select which type of IGMP messages are forwarded by the router:
-
Auto: The router automatically detects the supported protocol (IGMPv3 or
IGMPv2) and forwards the message accordingly. This is the default setting,
which we recommend.
-
IGMPv3: The router forwards IGMPv3 messages but can also forward IGMPv2
messages. (IGMPv3 is backward compatible with IGMPv2.).
-
IGMPv2: The router forwards IGMPv2 messages only and ignores IGMPv3
messages.
If you do not need this feature, select the check box to disable it.
• MTU Size (in bytes). The normal MTU (maximum transmit unit) value for most
Ethernet networks is 1500 bytes, or 1492 bytes for PPPoE connections. Change
the MTU only if you are sure that it is necessary for your ISP connection. See MTU
size on page 50.
• NAT Filtering. Network Address Translation (NAT) determines how the router
processes inbound traffic. Secured NAT protects computers on the LAN from
attacks from the Internet, but might prevent some Internet games, point-to-point
applications, or multimedia applications from working. Open NAT provides a
much less secured firewall, but allows almost all Internet applications to work.
• Disable SIP ALG. The application-level gateway (ALG) for the Session Initiation
Protocol (SIP) is enabled by default for enhanced address and port translation.
However, some types of VoIP and video traffic might not work well when the SIP
ALG is enabled. For this reason, the router provides the option to disable the SIP
ALG.
6. Click the Apply button.
Your settings are saved.
Dynamic DNS
Internet service providers (ISPs) assign IP addresses to identify each Internet account.
Most ISPs use dynamically assigned IP addresses, which means that the IP address can
change at any time. If you know your IP address, you can use it to access your business
network remotely. However, because the IP address is assigned dynamically, it can
change.
To make it easier to connect, you can get a free account with a Dynamic DNS service
that lets you use a domain name instead of an IP address to access your business network.
To use this account, you must set up the router to use Dynamic DNS. The router then
Manage the WAN and other
Network Settings
128
User Manual
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