8-7
User
Guide

for

the

Cisco

Application

Networking

Manager

5.2
OL-26572-01
Chapter
8






Configuring

Real

Servers

and

Server

Farms
Configuring
Real

Servers
Fail-
On-All
Field
that

appears

only

for

real

servers

identified

as

host


ser

vers.
By
default,

real

servers

with

multiple

probes

configured

for

them

have

an

OR

logic

associated

with
them,
which

means

that

if

one

of

the

real

server

probes

fails,

the

real

server

fails

and

enters

the
PROBE-FAILED
state.
Check
this

checkbox

to

configure

a

real

server

to

remain

in

the

OPERATIONAL

state

unless

all
probes
associated

with

it

fail

(AND

logic).
The
Fail-On-All

function

is

applicable

to

all

probe

types.
Min.
Connections
Minimum
number

of


connections

t

o

be

al

lowed

on

this

server

before

the

ACE

starts

sending
connections
again

after

it

has

exceeded

the

Max.

Connections

limit.

This

value

must

be

less

than

or
equal
to

the

Max.

Connections

value.

By

default,

this

value

is

equal

to

the

Max.

Connections

value.
Valid
entries

are

from

2

to

4000000.
Max.
Connections
Maximum
number

of

ac

tive

connections

al

lowed

on

this

server.

When

the

number

of


connections
exceeds
this

value,

the

ACE

stops

sending

connections

to

this

server

until

the

number

of
connections
falls

below

the

Min.

Connections

value.

Valid

entries

are

from

2

to

4000000,

and

the
default
is

4000000.
Weight
Field
that

appears

only

for

real

servers

identified

as

host

s.
Enter
the

weight

to

be

assigned

to

this

real

server

in

a

server

farm.

Valid

entries

are

from

1

to

100,
and
the

default

is

8.
Probes
Field
th

at

ap

pears

only

as

fol

lows:

•
For
all

host

real

servers.

The

Available

probe

list

contains

all

configured

probe
types.

•
For
redirect

real

servers

configured

on

ACE

devices

that

use

t

he

following

software

versions:

–

ACE

module:

A2(3.x)

and

later

releases

–

ACE

appliance:

A3(x)

and

later

releases
The
redirect

real

ser

ver

Available

probe

l

ist

contains

only

configured

pr

obes

of

the

t

ype
Is
Routed,

which

means

that

the

ACE

routes

the

probe

address

according

to

the

ACE

internal
routing
table

(see

the

“Configuring

Health

Monitoring

for

Real

Servers”

section

on

page

8-51 ).
In
the

Probes

field,

choose

the

probes

to

use

for

health

monitoring

in

the

Available

Items

list,

and
click
Add.

The

probes

appear

in

the

Selected

Items

list.
Note
The
probe
must

have

the

same

IP

address

t

ype

(IPv6
or
IPv4)

as

t

he
real
server.

For
example,
you

cannot

configure

an

IPv6

probe

to

an

IPv4

real

server.

IPv6

requires

ACE
module
and

ACE

appliance

sof

tware

Version

A5(1.0)

or


later.
Note
The
list
of
available

probes

does

not

include

VM

probes

used

to
monitor
local

VM

usage.
To
remove

probes

that

you

do

not

want

to

use

for

health

monitoring,

choose

them

in

the

Selected
Items
list,

and

click

Remove.

The

probes

appear

in

the

Available

probe

list.
Table
8-1
Real
Server

Attributes

(continued)
Field
Description