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Manual Chapter: Defining Connectivity Options
Manual Chapter
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About connectivity profiles

In the BIG-IP® Access Policy Manager®, a connectivity profile is the profile that you select in a virtual server definition to define connectivity and client settings for a network access session.

The connectivity profile contains:

  • Network access connection compression settings
  • Client settings for virtual servers and location awareness
  • Client update settings
  • Password caching settings
  • Citrix® client settings
  • Mobile client settings

Creating a connectivity profile

You create a connectivity profile to configure client connections for a network access tunnel and clients.
  1. On the Main tab, click Access Policy > Secure Connectivity > Connectivity Profiles.
  2. Click Create.
  3. Type a Name for the connectivity profile.
  4. Select a Parent Profile for the connectivity profile, if required.
  5. If you want to change network access compression settings, select the Custom check box, and configure the compression settings.
  6. If you want to change application tunnel compression settings, select the Custom check box, and configure the compression settings.
  7. Click Finished.
The connectivity profile appears in the list.
To provide functionality with a connectivity profile, you must add the connectivity profile and an access profile to a virtual server.

About connectivity profile compression settings

Compression settings specify the available compression codecs for server-to-client connections. The server compares the available compression types configured in the connectivity profile with the available compression types on the client, and chooses the most effective mutual compression setting.

Connectivity profile general settings

You can configure the following general settings in a connectivity profile.

Setting Value Description
Name Specifies the name of the connectivity profile.
Parent Profile A connectivity profile, selected from a list. When you select a connectivity profile from the list and click Update, the current connectivity profile changes to match the settings configured in the parent profile.

Connectivity profile network access compression settings

You can configure the following network access compression settings in a connectivity profile.

Setting Value Description
Compression Buffer Size Number of bytes. The default is 4096. Specifies the size of the output buffers containing compressed data.
gzip Compression Level A preset, or a value between 1 and 9. Specifies the degree to which the system compresses the content. Higher compression levels cause the compression process to be slower and the result to be more compressed. The default compression level is 6 - Optimal Compression, which provides a balance between level of compression and CPU processing time. You can also select compression level 1 - Least Compression (Fastest), the lowest amount of compression, which requires the least processing time, or 9 - Most Compression (Slowest), the highest level of compression, which requires the most processing time. You can also select Other, then type a number between 1 and 9, or type 0 to disable compression.
gzip Memory Level 1-256 kb. Specifies the number of kilobytes of memory that the system uses for internal compression buffers when compressing data. You can select a value between 1 and 256.
gzip Window Size 1-128 kb. Specifies the number of kilobytes in the window size that the system uses when compressing data. You can select a value between 1 and 128.
CPU Saver Enabled or Disabled Specifies, when enabled, that the system monitors the percentage of CPU usage and adjusts compression rates automatically when the CPU usage reaches either the CPU Saver High Threshold or the CPU Saver Low Threshold.
CPU Saver High Threshold Percentage Specifies the percentage of CPU usage at which the system starts automatically decreasing the amount of content being compressed, as well as the amount of compression which the system is applying.
CPU Saver Low Threshold Percentage Specifies the percentage of CPU usage at which the system resumes content compression at the user-defined rates.

Connectivity profile application tunnel compression settings

You can configure the following application tunnel compression settings in a connectivity profile.

Available Codec Value Description
LZO Enable or Disable Select the LZO check box to enable LZO compression. LZO compression offers a balance between CPU resources and compression ratio, compressing more than Deflate compression, but with less CPU resources than Bzip2.
Deflate Enable or Disable Select the Deflate check box to enable Deflate compression. Deflate compression uses the least CPU resources, but compresses the least effectively.
Bzip2 Enable or Disable Select the Bzip2 check box to enable Bzip2 compression. Bzip2 compression uses the most CPU resources, but compresses the most effectively.
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