9-14
User
Guide

for

the

Cisco

Application

Networking

Manager

5.2
OL-26572-01
Chapter
9






Configuring

Stickiness
Configuring
Sticky

Groups
Layer
4

Payload

Sticky

Group

Attributes
Ta
b

l

e


9-7

describes

the

Layer

4

pa

yload

sticky

group

at

tributes.
RADIUS
Sticky

Group

Attributes
Ta
b

l

e


9-8

describes

the

RADIUS

sticky

group

attributes.
Ta
b

l

e


9-7
Layer
4

Payload

Sticky

Group

Attributes
Field
Description
Offset
Number
of

bytes

the

virtual

server

is

to

ignore

starting

with

the

first

byte

of

the

cookie.

Valid

entries

are
from
0

to

999.

The

default

is

0

(zero),

which

indicates

that

the

vi

rtual

server

does

not


exclude

any
portion
of

the

cookie.
Length
(Bytes)
Length
of

the

portion

of

the

cookie

(starting

with

the

byte

after

the

offset

value)

that

the

ACE

is

to

use
for
sticking

the

client

to

the

server.

Valid

entries

are

from

1

to

1000.

The

default

is

1000.
Begin
Pattern
Beginning
pattern

of

the

Layer

4

payload

and

the

pattern

string

to

match

before

hashing.

If

you

do

not
specify
a

beginning

pattern,

the

ACE

begins

parsing

immediately

after

the

offset

byte.

You

cannot
configure
different

beginning

and

ending

patterns

for

di

fferent

server

farms

that

are

part

of

the

same
traffic
classification.
Valid
entries

are

unquoted

text

strings

with

no

spaces

and

a

maximum

of

255

alphanumeric

characters.
You
can

enter

a

text

string

with

spaces

provided

that

you

enclose

the

entire

string

in

quotation

marks
(").
The

ACE

supports

regular

expressions

for

matching

string

expressions.

Ta

b

l

e


14-33

lists

the
supported
characters

that

you

can

use

for

matching

string

expressions.
End
Pattern
Pattern
that

marks

the

end

of

hashing.

If

you

do

not

specify

an

end

pattern

or

a

length,

the

ACE

continues
to
parse

the

data

until

it

reaches

the

end

of

the

field

or

packet,

or

until

it

reaches

the

maximum

body
parse
l

ength.

You

cannot

configure

different

beginning

and

ending

patterns

for

di

fferent

server

farms
that
are

part

of

the

same

traffic

classification.
Valid
entries

are

unquoted

text

strings

with

no

spaces

and

a

maximum

of

255

alphanumeric

characters.
You
can

enter

a

text

string

with

spaces

provided

that

you

enclose

the

entire

string

in

quotation

marks
(").
The

ACE

supports

regular

expressions

for

matching

string

expressions.

Ta

b

l

e


14-33

lists

the
supported
characters

that

you

can

use

for

matching

string

expressions.
Enable
Sticky

For
Response
Check
box

that

enables

the

ACE

to

parse

server

responses

and

perform

sticky
learning.

The

ACE

uses
a
hash

of

the

server

response

bytes

to

populate

the

sticky

database.

The

next

time

that

the

ACE

receives
a
client

request

with

those

same

bytes,

it

sticks

the

client

to

the

same

server.
Uncheck
the

check

box

to

reset

t

he

behavior

of

t

he

ACE

t

o

the

default

of

not


par

sing

server

responses
and
performing

st

icky

learning.
Ta
b

l

e


9-8
RADIUS
Sticky

Group

Attributes


Field
Description
RADIUS
Types
Choose
the

RADIUS

attribute

to

use

for

sticking

client

connections:

•
N/A—This
option

is
not
configured.

•
RADIUS
Calling

ID—Stickiness

is

based

on

the

RADIUS

framed
IP
attribute

and

the

calling
station
ID

attribute.

•
RADIUS
User

Name—Stickiness

is

based

on

the

RADIUS

framed

IP

attribute

and

the
username
attribute.