Verizon 7500 User's Guide Page 118

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030-300613 Rev A 118 August 2009
User Guide VersaLink Wireless Gatewa
y
(
Model 7500
)
RIP Global Enable Click this check box to enable or disable both LAN and WAN RIP feature. By
default, RIP Global Enable is disabled (unchecked).
RIP Configuration
Interface Type
Click this drop-down menu to configure RIP for the LAN side or the WAN side
(WAN side is receive-only).
Receive Click this drop-down menu to select the version of RIP to be accepted.
None
RIPv1
RIPv2
RIPv1 or RIPv2
Transmit Click this drop-down menu to select the version of RIP to be transmitted.
(WAN side RIP never transmits.)
None
RIPv1
RIPv2
RIPv1 or RIPv2
RIPv2 Authentication Mode Click this drop-down menu to select the type of authentication to use if utilizing
RIP V2.
None
Clear Text
MD5 (If MD5 authentication, the password)
Advanced
Default Gateway Click this check box to enable or disable the Default Gateway, which
determines whether the Gateway advertises itself as a gateway (the default
route). By default, Default Gateway is disabled (unchecked).
RIP Timer Rate Displays how often the local routing table is updated.
RIP Supply Interval Displays how often to advertise routes to neighbors.
RIP Expire Time Displays how long routes received from neighbors become invalid if no refresh
of the route is received.
RIP Garbage Collection Time Displays how long to advertise invalid routes after they have expired.
14.4.9 Dynamic DNS
The following screen will appear if you select Advanced > WAN > Dynamic DNS from the main menu. Dynamic
DNS allows a dynamic IP address to be aliased to a static hostname. For example, consider a situation where you’re
hosting a server on your Gateway’s LAN and your Gateway receives a dynamic WAN IP address from your ISP.
Without Dynamic DNS, if your WAN IP address changes, external users will have no way of knowing what your new
WAN IP address is, and therefore, will not be able to access your server.
To address this situation, a number of companies (dynamic DNS ISPs) offer a service through which you may obtain
a URL hostname for the server that you’re hosting. This hostname is associated with the WAN IP address of your
Gateway. The Gateway incorporates an “update client” that monitors for WAN IP address changes. If a change is
detected, the update client notifies the dynamic DNS service provider of your new IP address. The dynamic DNS ISP
then updates your DNS record by associating your new IP address to your hostname. Thus, external users access your
server using your hostname and are unaffected by a change in your IP address.
If you change the settings in this screen, click save and then OK. If you click discard, the screen will return to its
previous settings.
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