Cisco Explorer 4700 Installation Guide download pdf (Page 289)

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Device Manager Guide, Cisco ACE 4700 Series Application Control Engine Appliance

OL-26645-02

Chapter 7 Configuring Stickiness

Configuring Sticky Groups

Step 4 Do the following:

• Click Deploy Now to deploy this configuration on the ACE appliance. To configure sticky statics,

see Configuring Sticky Statics, page 7-21.

• Click Cancel to exit the procedure without saving your entries and to return to the Sticky Groups

table.

• Click Next to save your entries and to configure another sticky group.

Enable Sticky For

Response

This check box option appears for sticky types: Layer 4 Payload and SSL.

Check this check box to instruct the ACE to parse the response bytes from a server and perform

sticky learning. Clear the check box when you do not want the ACE to perform this operation.

Sticky Server Farm Select a server farm you want to associate with this sticky group.

Backup Server Farm This field appears when a server farm is selected.

Select a backup server farm to be associated with this sticky group. If the primary server farm is

down, the ACE appliance uses the backup server farm.

Aggregate State This field appears when a server farm and backup server farm are selected.

Check this check box to indicate that the state of the backup server farm is tied to the virtual server

state. Clear this check box if the backup server farm is not tied to the virtual server state.

Enable Sticky on

Backup Server Farm

This field appears when a server farm and backup server farm are selected.

Check this check box to indicate that the backup server farm is sticky. Clear this check box if the

backup server farm is not sticky.

Buddy Group This field appears when a server farm is selected.

Associate the server farm with an existing buddy sticky group or create a buddy sticky group.

When you associate multiple server farms with the same buddy group, client requests are stuck to

the same real server even when the requests are processed by different server farms. For more

information, see the “Buddy Sticky Groups” section on page 7-6.

Note The ACE does not support the buddy group feature for SSL or RTSP sticky types.

Replicate on HA Peer Check this check box to indicate that the ACE appliance to replicate sticky table entries on the

standby ACE appliance. If a failover occurs and this option is selected, the new active ACE

appliance can maintain the existing sticky connections.

Clear this check box to indicate that the ACE appliance is not to replicate sticky table entries on

the standby ACE appliance.

Timeout (Minutes) Enter the number of minutes that the ACE appliance keeps the sticky information for a client

connection in the sticky table after the latest client connection terminates. Valid entries are integers

from 1 to 65535; the default is 1440 minutes (24 hours).

Timeout Active

Connections

Check this check box to specify that the ACE appliance is to time out sticky table entries even if

active connections exist after the sticky timer expires.

Clear this check box to specify that the ACE appliance is not to time out sticky table entries even

if active connections exist after the sticky timer expires. This is the default behavior.

Table 7-1 Sticky Group Attributes (continued)

Field Description

1 ... 288 289 290 ... 648

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