On Networks N300RM User Manual - Manual (Page 36)

Modem Router Setup
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N300 WiFi ADSL2+ Modem Router (N300RM)
until the problem goes away. The following table describes common MTU sizes and
applications.
Table 2. Common MTU sizes
MTU Application
1500 The largest Ethernet packet size and the default value. This setting is typical for
connections that do not use PPPoE or VPN, and is the default value for On Networks
modem routers, adapters, and switches.
1492 Used in PPPoE environments.
1472 Maximum size to use for pinging. (Larger packets are fragmented.)
1468 Used in some DHCP environments.
1458 Used in PPPoA environments.
1460 Usable by AOL if you do not have large email attachments, for example.
1436 Used in PPTP environments or with VPN.
1400 Maximum size for AOL DSL.
576 Typical value to connect to dial-up ISPs.
 To change the MTU size:
1.
Select Advanced > Setup > WAN Setup.
2. In the MTU Size field, enter a value from 64 to 1500.
3.
Click Apply to save the settings.
LAN Setup
The LAN Setup screen allows configuration of LAN IP services such as Dynamic Host
Configuration Protocol (DHCP) and Routing Information Protocol (RIP).
The modem router is shipped preconfigured to use private IP addresses on the LAN side and
to act as a DHCP server. The modem router’s default LAN IP configuration is:
• LAN IP address. 192.168.0.1
• Subnet mask. 255.255.255.0
These addresses are part of the designated private address range for use in private
networks and are suitable for most applications. If your network requires a different IP
addressing scheme, you can change these settings in the LAN Setup screen.
Note: If you change the LAN IP address of the modem router while connected
through the browser, you will be disconnected. You will have to open a new
connection to the new IP address and log in again.