10-10

User

Guide

for

the

Cisco

Application

Networking

Manager

5.2

OL-26572-01

Chapter

10

Configuring

Parameter

Maps

Configuring

HTTP

Parameter

Maps

Ta

b

l

e

10-5

HTTP

Parameter

Map

Attributes

Field

Description

Parameter

Name

Unique

name

for

the

parameter

map.

Valid

entries

are

unquoted

text

strings

with

no

spaces

and

a

maximum

of

64

alphanumeric

characters.

Description

Field

that

appears

for

ACE

module

A2(1.5),

ACE

appliance

A3(2.3),

and

later

releases

of

either

device

type.

If

you

attempt

to

use

the

Description

feature

with

an

ACE

that

is

running

an

earlier

software

version,

ANM

displays

an

invalid

command

detected

error

message

and

does

not

deploy

t

he

parameter

map.

Brief

description

of

the

parameter

map.

Enter

a

text

string

with

a

maximum

of

240

alphanumeric

characters

(A–Z,

a–z,

0–9).

Spaces

and

special

characters

are

allowed.

Double

quotes

must

be

entered

as

matching

pairs.

Case-Insensitive

Check

box

that

instructs

the

ACE

to

be

case

insensitive.

Uncheck

this

check

box

to

indicate

that

the

ACE

is

to

be

case

sensitive.

This

check

box

is

cleared

by

default.

Header

Modify

Per-Request

Check

box

to

require

that

SSL

information

is

inserted

for

every

HTTP

GET

request.

Current

functionality

only

requires

that

the

information

be

inserted

at

the

first

GET

request.

Exceed

Max.

Parse

Length

Action

t

hat

the

ACE

t

akes

t

o

handle

cookies,

HTTP

headers,

and

URLs

that

exceed

t

he

maximum

parse

length.

The

choices

are

as

follows:

•

Continue—The

ACE

is

to

continue

load

balancing.

When

this

option

is

selected,

the

HTTP

Persistence

Rebalance

option

is

disabled

if

the

total

length

of

all

cookies,

HTTP

headers,

and

URLs

exceeds

the

maximum

parse

value.

•

Drop—The

ACE

is

to

stop

load

balancing

and

to

discard

the

packet.

HTTP

Persistence

Rebalance

Check

box

that

instructs

the

ACE

to

do

the

following:

•

Separately

load

balance

each

subsequent

HTTP

request

on

the

same

TCP

connection.

•

Insert

the

header

and

cookie

for

every

request

instead

of

onl

y

t

he

first

request.

Uncheck

this

check

box

to

indicate

that

this

option

is

disabled.

This

option

is

enabled

by

default.

TCP

Server

Connection

Reuse

Check

box

that

instructs

the

ACE

to

reduce

the

number

of

ope

n

connections

on

a

se

rver

by

allowing

connections

to

persist

and

be

reused

by

multiple

client

connections.

If

you

enable

this

feature,

perform

the

following

tasks:

•

Ensure

that

the

ACE

maximum

segment

size

(MSS)

is

the

same

as

the

server

maximum

segment

size.

•

Configure

port

address

translation

(PAT)

on

the

interface

that

is

connected

to

the

real

server.

•

Configure

on

the

ACE

the

same

TCP

options

that

exist

on

the

TCP

server.

•

Ensure

that

each

server

farm

is

homogeneous

(all

real

servers

within

a

server

farm

have

identical

configurations).

Uncheck

this

check

box

to

disable

this

option.

Content

Max.

Parse

Length

(Bytes)

Maximum

number

of

bytes

to

parse

in

HTTP

content.

Valid

entries

are

from

1

to

65535.

The

default

is

4096.

Header

Max.

Parse

Length

(Bytes)

Maximum

number

of

bytes

to

parse

for

the

total

length

of

cookies,

HTTP

headers,

and

URLs.

Valid

entries

are

from

1

to

65535.

The

default

is

4096.