Specifications

Pools
BIG-IP® Reference Guide 4-29
To configure the cookie persistence hash option using the
Configuration utility
Before you follow this procedure, you must configure at least one pool.
1. In the navigation pane, click Pools.
The Pools screen opens.
2. In the Pools list, click the pool for which you want to set up hash
mode persistence.
The properties screen for the pool you clicked opens.
3. Click the Persistence tab.
The Persistence screen opens.
4. Click the Cookie Hash button.
Set the following values (see the following Table 4.5 for more
information):
• Cookie Name
Type the name of an HTTP cookie being set by the Web site.
This could be something like Apache or SSLSESSIONID. The
name depends on the type of web server your site is running.
• Hash Values
The Offset is the number of bytes in the cookie to skip before
calculating the hash value. The Length is the number of bytes to
use when calculating the hash value.
5. Click the Apply button.
To configure the hash cookie persistence option from the
command line
Use the following syntax to configure the hash cookie persistence option:
b pool <pool_name> { \
<lb_mode_specification> \
persist_mode cookie \
cookie_mode hash \
cookie_name <cookie_name> \
cookie_hash_offset <cookie_value_offset> \
cookie_hash_length <cookie_value_length> \
<member definition> }