Information Technology Reference
In-Depth Information
Enabling Name Protection is possible only with Secure Dynamic Updates enabled. Enabling
Name Protection will set the following DHCP server settings:
■
DHCP Server honors requests for registration from Windows DHCP clients.
■
DHCP Server dynamically updates A (or AAAA) and PTR records for non-Windows
DHCP clients.
■
DHCP Server discards the A (or AAAA) and PTR records when the client lease is
deleted.
The Secure Updates option is set in the DNS Manager console and is set at the zone level.
To change the setting, open the DNS Manager, right-click the zone you want to change, and
select properties from the menu. On the General tab, select one of three options:
■
Secure Only
Only devices that are in the same DNS domain are permitted to register
their DNS records.
■
Nonsecure And Secure
Any device can update a dynamic DNS record.
■
None
No dynamic updates are accepted. All DNS records must be manually
maintained.
Thought experiment
Configuring round robin
In this thought experiment, apply what you've learned about this objective. You can
find answers to these questions in the “Answers” section at the end of this chapter.
You are the network administrator for TreyResearch.net. Engineering users run
specialized applications on a trio of dedicated Remote Desktop Session Host (RDSH)
servers to reduce the need to install them on each workstation locally. Especially
because there is a large amount of computer churn in the department as compute
resources get scavenged for other uses. These computers are all on the same sub-
net, and each has a single IP address.
1.
Currently, users connect to one or another RDSH server, depending on how their
client is configured. If their primary RDSH is down, they connect to one of the
alternate ones manually, which doesn't provide a good user experience. How
can you use DNS round robin to distribute the load across the RDSH servers and
improve the user experience?
2.
How would you configure the round robin records? (Assume that the three RDSH
servers are rdsh1, rdsh2, and rdsh3.)
