Quick Reference Guide

ProSafe Wireless-N VPN Firewall SRXN3205 Reference Manual
2-14 Connecting to the Internet (WAN)
v1.0, January 2010
d. If your dynamic DNS provider allows the use of wildcards in resolving your URL, check
Use wildcards to activate this feature.
For example, the wildcard feature will cause anything.yourhost.dyndns.org to be aliased
to the same IP address as yourhost.dyndns.org
e. If your dynamic DNS provider requires you to renew your account monthly, check
Update every 30 days to have the VPN firewall renew the account automatically.
5. Click Apply to save your configuration.
Configuring the Advanced WAN Options (Optional)
To configure the Advanced WAN options:
1. Select Network Configuration > WAN Settings from the main/submenu. The WAN ISP
Settings screen displays.
2. Click the Advanced link to the right of the tabs. The WAN Advanced Options screen is
displayed.
3. Edit the default information you want to change.
a. MTU Size. The normal MTU (Maximum Transmit Unit) value for most Ethernet
networks is 1500 Bytes, or 1492 Bytes for PPPoE connections. For some ISPs, you may
need to reduce the MTU. This is rarely required, and should not be done unless you are
sure it is necessary for your ISP connection.
Figure 2-12