Cisco Explorer 4700 Installationsanleitung PDF herunterladen (Seite 239)

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

OL-26645-02

Chapter 6 Configuring Real Servers and Server Farms

Configuring Server Farms

Step 6 In the Type field, specify the action to be taken and related options using the information in Table 6-8.

Step 7 Do the following:

• Click Deploy Now to deploy this configuration on the ACE appliance.

• Click Cancel to exit this procedure without saving your entries and to return to the Retcode Map

table.

• Click Next to save your entries and to add another retcode map.

Related Topics

• Using Virtual Contexts, page 4-2

• Configuring Virtual Context Class Maps, page 12-8

Table 6-8 Return-Code Type Configuration Options

Option Description

Count The ACE tracks the total number of return codes received for each return code number that you specify.

Log The ACE generates a syslog error message when the number of events reaches a specified threshold.

1. In the Threshold field, enter the number of events that the ACE is to receive before generating a syslog error

message. Valid entries are integers from 1 to 4294967295.

2. In the Reset field, enter the time interval in seconds for which the ACE checks for the return code. Valid entries

are integers from 1 to 2147483647 seconds.

Remove The ACE generates a syslog error message when the number of events reaches a specified threshold and then

removes the server from service.

1. In the Threshold field, enter the number of events that the ACE is to receive before generating a syslog error

message and removing the server from service. Valid entries are integers from 1 to 4294967295.

2. In the Reset field, enter the time interval in seconds for which the ACE checks for the return code. Valid entries

are integers from 1 to 2147483647 seconds.

3. In the Resume Service field, enter the number of seconds that the ACE waits before it resumes service for the

real server automatically after taking the real server out of service. Valid entries are 30 to 3600 seconds. By

default, this field is not configured. The setting of this field affects the behavior of the real server in the failed

state, as follows:

–

When this field is not configured, the real server remains in the failed state until you manually remove it

from service and read it.

–

When this field is not configured and then you configure it with an integer between 30 and 3,600, the failed

real server immediately transitions to the Operational state.

–

When you configure this field and then increase the value, the real server remains in the failed state for

the duration of the previously-configured value. The new value takes effect the next time the real server

transitions to the failed state.

–

When you configure this field and then decrease the value, the failed real server immediately transitions

to the Operational state.

–

When you configure this field with an integer between 30 and 3,600 and then reset it by deleting the value

from the field, the real server remains in the failed state for the duration of the previously-configured

value. The unconfigured setting takes effect the next time the real server transitions to the failed state.

Then the real server remains in the failed state until you manually remove it from service and read it.

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