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Pools

BIG-IP® Reference Guide 4-27

6. Type the timeout value in days, hours, minutes, and seconds. This

value determines how long the cookie lives on the client computer

before it expires.

7. Click the Apply button.

To activate Rewrite mode cookie persistence from the

command line

To activate Rewrite mode from the command line, use the following syntax:

b pool <pool_name> { \

<lb_mode_specification> \

persist_mode cookie \

cookie_mode rewrite \

cookie_expiration <timeout> \

<member definition> }

The <timeout> value for the cookie is written using the following format:

<days>d hh:mm:ss

Passive mode

If you specify Passive mode, the BIG-IP does not insert or search for blank

Set-Cookies in the response from the server. It does not try to set up the

cookie. In this mode, the server provides the cookie formatted with the

correct node information and timeout.

In order for Passive mode to work, there needs to be a cookie coming from

the web server with the appropriate node information in the cookie. With

Apache variants, the cookie can be added to every web page header by

adding an entry in the httpd.conf file:

Header add Set-Cookie: "BIGipServer my_pool=184658624.20480.000; expires=Sat, 19-Aug-2002

19:35:45 GMT; path=/"

In this example, my_pool is the name of the pool that contains the server

node, 184658624 is the encoded node address and 20480 is the encoded

port. You can generate a cookie string with encoding automatically added

using the bigpipe makecookie command:

b makecookie <server_address:service> [ > <file> ]

The command above prints a cookie template, similar to the following two

examples below, to the screen or the redirect file specified.

Set-Cookie:BIGipServer[poolname]=336268299.20480.0000; path=/

Set-Cookie:BIGipServer[poolname]=336268299.20480.0000; expires=Sat, 01-Jan-2002 00:00:00

GMT; path=/

To create your cookie from this string, type the actual pool names and the

desired expiration date and time.

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