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Chapter 7
7 - 6
Configuration note
Please note that when you are working with more than one 3-DNS
Controller, you create your entire configuration on one system and
then add the second system using the
3dns_add
script. The
3dns_add
script copies the entire configuration from the first system
onto the second system, and synchronizes all of the settings. For
details on configuring additional 3-DNS Controllers in existing
networks, using the
3dns_add
script, see Chapter 10,
Adding a
3-DNS Controller to an Existing Network
.
Adding load balancing servers
Now you are ready to let the 3-DNS Controller know about any BIG-IP
systems, EDGE-FX systems, or hosts that you have in your data centers.
The servers and virtual servers that you add to this configuration are the
servers that load balance your origin site content. For specific information
on configuring any of these server types, please review
Setting up servers
,
on page 5-6.
Adding wide IPs and pools
Once you have added all the physical elements to the 3-DNS configuration,
you can begin configuring wide IPs and pools for the CDN configuration. In
addition to setting up the wide IPs and pools for your origin site, you also set
up a pool for the CDN provider.
Before you start adding wide IPs, verify that you have configured all the
virtual servers you need for load balancing for your origin site. The
following instructions describe how to set up the CDN configuration shown
in Figures 7.1 and 7.2.
To add a wide IP and pool using the Configuration utility
1. In the navigation pane, click
Wide IPs
.
The Wide IP List screen opens.
2. Click
Add Wide IP
on the toolbar.
The Add a New Wide IP screen opens.
3. Add the wide IP address, name, and port information. For our
example, the wide IP name is
www.download.siterequest.com
.
4. For the
Pool LB Mode
, select
Topology
and click
Next
.
The Configure Load Balancing for New Pool screen opens.
5. In the Configure Load Balancing for New Pool screen, update these
settings:
a) Add the pool name.
For our example, the first pool name is
origin
.
b) Check the
Use Dynamic Ratio
option.
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