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Manual Chapter: Defining Wide IPs
Manual Chapter
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After you configure the virtual servers that the Link Controller system manages, you need to group the configured virtual servers into wide IPs. A wide IP is a mapping of a fully-qualified domain name (FQDN) to a set of virtual servers that host the domains content, such as a web site, an e-commerce site, or a CDN.
Before defining the first wide IP, you should gather your configuration information for the Link Controller system so you can easily see which virtual servers have the content you want to map to a domain name.
After you determine which virtual servers you should place in which wide IP, you are ready to add the first wide IP to the configuration.
1.
On the Main tab of the navigation pane, click Link Controller and then click Inbound Wide IPs.
The main wide IP screen opens.
2.
Click the Create button.
The New Wide IP screen opens.
3.
In the Name box, type the identifying name for this wide IP.
4.
In the Load Balancing Method section, select the appropriate preferred, alternate, and fallback load balancing methods.
For more information on load balancing, see Chapter 9, Inbound Load Balancing.
5.
In the Member List section, select the virtual servers that you want to add to the wide IP.
6.
Click the Create button to save your changes.
The Link Controller system supports wildcard characters in both wide IP names and wide IP aliases. You can use the wildcard characters to simplify your maintenance tasks if you have a large quantity of wide IP names and/or wide IP aliases. The wildcard characters you can use are: the question mark ( ? ), and the asterisk ( * ). The guidelines for using the wildcard characters are as follows:
The question mark ( ? )
You can use the question mark to replace a single character, with the exception of dots ( . ).
You can use more than one question mark in a wide IP name or alias.
You can use both the question mark and the asterisk in the same wide IP name or alias.
The asterisk ( * )
You can use the asterisk to replace multiple consecutive characters, with the exception of dots ( . ).
You can use more than one asterisk in a wide IP name or alias.
You can use both the question mark and the asterisk in the same wide IP name or alias.
???.mydomain.net
www.??domain.net
www.my*.net
www.??*.net
www.my*.*
???.my*.*
*.*.net
www.*.???
Once you have defined the basic settings for a wide IP, you can modify the wide IP settings, the load balancing properties, and the virtual server members at any time.
When you first add a wide IP to the configuration, you configure the basic settings. You may later decide to modify those settings.
1.
On the Main tab of the navigation pane, click Link Controller and then click Inbound Wide IPs.
The main wide IP screen opens.
4.
Click Update to save your changes.
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