Netgear AC1900 Nighthawk™ 사용자 매뉴얼

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Specify Your Internet Settings 
42
Nighthawk AC1900
 Smart WiFi Router 
5. 
In the MTU Size field, enter a value from 64 to 1500.
6. 
Click the Apply button.
Your change is saved.
If you suspect an MTU problem, a common solution is to change the MTU to 1400. If you are 
willing to experiment, you can gradually reduce the MTU from the maximum value of 1500 
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. This setting is typical for connections that do not use 
PPPoE or VPN, and is the default value for NETGEAR 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.
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.
 
Enable the Bridge or Add a VLAN Tag Group
Some devices, such as an IPTV, cannot work behind a router’s network address translation 
(NAT) or firewall. Based on what your Internet Service Provider (ISP) requires, to allow the 
device to connect to the ISP’s network directly, you must enable the bridge between the device 
and the router’s Internet port or add new VLAN tag groups to the bridge. 
Enable the Bridge 
If your device, such as an IPTV, is connected to the router’s Ethernet port or WiFi network, 
you can enable the bridge so that the packets sent between the device and the router’s 
Internet port are not processed through the router’s network address translation (NAT).
To enable the bridge:
1. 
Launch an Internet browser from a computer or wireless device that is connected to the 
network.
2. 
Type http://www.routerlogin.net or http://www.routerlogin.com.