Server Load-Balancing Guide vA5(1.0), Cisco ACE Application Control Engine
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Index

Table Of Contents

Symbols - A - B - C - D - E - F - G - H - I - K - L - M - N - O - P - Q - R - S - T - U - V - W -

Index

Symbols

"xST" metacharacter for Layer 4 generic data parsing 3-25

A

action list

associating with a Layer 7 policy map 3-65

configuring 3-13

alias IP address 6-2, 6-3, 6-4, 6-6, 6-19

appending port information, configuring for probes 4-33

application response, load-balancing method 1-2, 2-73

asymmetric routing 1-8

asymmetric server normalization 2-91

B

backup

server, configuring 2-82

server farm, behavior with stickiness 5-8

server farm, configuring 2-77, 2-91

server farms 3-72

bandwidth rate limiting 2-14, 2-87

booster, UDP 3-127

bursting threshold, VM probe 2-12

C

caching for regex parsing, configuring for probes 4-32

case-sensitivity matching 3-82, 3-96

cipher-based load balancing 3-43

cipher suites

HTTPS probes, configuring for 4-35

Cisco Overlay Transport Virtualization. See OTV

class map

configuration example 3-156

configuring 3-1, 3-97

description, entering 3-20, 3-79, 3-82, 3-95, 3-98

Layer 7 3-31

overview 3-2

use with real servers 2-2

compression

content types supported 3-68

HTTP parameter map 3-83

Layer 7 SLB policy action 3-66, 3-83

Layer 7 SLB policy action, excluding specific files/MIME types for HTTP compression 3-45

configurational examples

HTTP cookie stickiness 5-54

HTTP header stickiness 5-68

IP address stickiness 5-20

probe 4-63

RADIUS load-balancing 3-140, 3-141

real server 2-21

server farms 2-98

SIP load-balancing 3-154, 3-155

SLB traffic policy 3-156

standard firewall 6-33, 6-34

stealth firewall 6-36, 6-38

stickiness 5-129

connection keepalive. See HTTP persistence rebalance

connections

clearing for real servers 2-108

connection failure, specifying server farm action 2-28

connection termination, TCP 4-20

displaying for real servers 2-105

displaying for server farms 2-116

rate limiting 2-14, 2-87

content

length 2-58

matching HTTP 3-34

offset 5-38

cookie

client 5-5

configuring stickiness 5-43

ignoring malformed 3-90

insertion 2-85, 5-50

length 2-64, 3-89, 5-39, 5-51

match criteria 3-35

maximum bytes to parse 3-80, 3-87, 3-88, 3-96

offset 5-51

sticky client identification 5-5

string 2-85

credentials (mailbox), configuring for IMAP probes 4-45

D

database entries

sticky, clearing 5-128

sticky, displaying 5-121

Data Center Interconnect. See DCI

DCI 2-1, 2-4

delimiters, URL 3-86

destination IP address 2-57, 2-106, 2-117, 3-2, 3-15, 3-71, 5-4, 5-11, 5-14, 5-17, 6-3

destination server status code, configuring for SMTP probes 4-43

differentiated services code point. See DSCP

displaying

probe configuration information 4-77

real server configuration information 2-101

server farm configuration information 2-109

sticky configuration information 5-120

DNS

load balancing 3-127

probes, configuring 4-40

domain

name, configuring for DNS probes 4-41

DSCP 3-77

DWS

configuration guidelines 2-5

configuring 2-3

displaying statistics 2-15

enabling a server farm 2-14

overview 2-1

prerequisites 2-4

real server locality, displaying 2-20

real server locality in server farm, displaying 2-19

server farm attributes 2-13

server farm state, displaying 2-19

VIP state, displaying 2-18

dynamic workload scaling. See DWS

E

Echo probes, configuring 4-24

e-commerce

applications, sticky requirements 5-3

using stickiness 5-3

expressions, regular 3-15, 3-16, 3-18, 3-22, 3-24, 3-34, 3-35, 3-37, 3-41

F

failover

server farm 2-77

Finger probes, configuring 4-25

firewall

alias IP address 6-2, 6-3, 6-4, 6-6, 6-19

configuration examples 6-33

configurations, displaying 6-32

configurations, supported 6-3

disabling NAT 2-91

load balancing 6-1, 6-3, 6-6, 6-18

overview 6-2

standard configurational diagram 6-4

stealth configurational diagram 6-5, 6-6

traffic distribution 6-3

types 6-2, 6-3

FTP probes, configuring 4-38

G

generic protocol

data parsing 3-22

load balancing 3-60

graceful server shutdown 2-19, 2-20, 2-90, 4-20

H

hash load-balancing methods

address 1-2, 2-57

content 1-2, 2-58

cookie 1-2, 2-60

header 1-2, 2-61

secondary cookie 2-60

url 1-2, 2-64

header

deletion 3-19

insertion 3-13, 3-14, 3-70

rewrite 3-13, 3-17

health monitoring

configuring 4-1

inband 2-49

real servers 2-8

HTTP

compression 3-66, 3-83

content match criteria 3-34

load balancing 3-61

persistence rebalance 3-91, 3-93

persistence strict 3-93

probes, configuring 4-25, 4-27, 4-52

request method, configuring for probes 4-28

return error code checking 2-75

statistics, displaying 3-167, 3-178

URL hit count statistics, displaying 3-177

URL match criteria 3-41, 3-52

URL match criteria, excluding for HTTP compression 3-45

HTTP content

length 2-58, 5-39

offset 2-58, 5-39

HTTP cookie

length 2-64, 5-51

match criteria 3-35

offset 2-64, 5-51

stickiness 5-43

HTTP header

deletion 3-19

insertion 3-13, 3-14, 3-70

length 3-89

match criteria 3-36, 3-50

maximum bytes to parse 3-80, 3-87, 3-88, 3-96

rewrite 3-13, 3-17

sticky client identification 5-6

HTTP parameter map

case-sensitivity matching 3-82, 3-96

compression 3-83

configuring 3-78, 3-81, 3-94

ignore malformed cookies 3-90

maximum bytes to parse 3-80, 3-87, 3-88, 3-96

maximum parse length exceeded 3-89

persistence rebalance 3-91, 3-93

persistence rebalance strict 3-93

statistics, displaying 3-167

TCP server reuse 3-93

URL delimiters 3-86

HTTP return codes

server farms, displaying 2-115

HTTPS

cipher suite for probes 4-35

probes, configuring 4-34

I

ICMP

probes, configuring 4-19

IMAP probes, configuring 4-44

inband health monitoring 2-49

interface

applying Layer 3 and Layer 4 policy to 3-120

interval, configuring for probes 4-14

IP address

alias 6-2, 6-3, 6-4, 6-6, 6-19

configuring a probe under a redirect server 2-10

configuring destination for probes 4-7

configuring stickiness 5-11

destination 2-57, 2-106, 2-117, 3-2, 3-15, 3-71, 5-4, 5-11, 5-14, 5-17, 6-3, 6-13, 6-27

entering for real servers 2-6

expected for DNS probes 4-41

match criteria 3-27, 3-55

source 2-57, 2-106, 2-117, 3-14, 3-15, 3-27, 3-55, 3-70, 3-71, 5-4, 5-11, 5-14, 5-17, 5-123, 6-3, 6-9, 6-21

sticky client identification 5-4

sticky configuration requirements 5-9

virtual 2-91, 3-14, 3-70, 3-97, 3-98, 3-105, 3-113, 3-114, 3-118, 5-119, 6-10, 6-16, 6-22, 6-23, 6-30

IPv4 to IPv6 Load Balancing 3-125

IPv6 to IPv4 Load Balancing 3-124

K

keepalive-appliance protocol (KAL-AP)

clearing statistics 4-76

configuring 4-64, 4-68

displaying load information 4-74

displaying statistics 4-75

keepalives. See probes

L

Layer 3 and 4 policy map

SLB, configuring 3-105

Layer 3 and Layer 4 class map

associating with policy map 3-107

configuring 3-97

overview 3-2

Layer 3 and Layer 4 SLB policy actions

configuration quick start 3-10

connection parameter map, associating with Layer 3 and Layer 4 policy map 3-110

enabling a VIP for load balancing 3-118

enabling UDP per packet load balancing 3-115

enabling VIP address advertising 3-113

enabling VIP reply to ICMP request 3-114

HTTP parameter map, associating with Layer 3 and Layer 4 policy map 3-110

Layer 7 policy map, associating with Layer 3 and Layer 4 policy map 3-109

specifying 3-108

Layer 4 payload

"xST" metacharacter 3-25

length for sticky 5-30

match criteria for generic data parsing 3-23

offset for sticky 5-30

Layer 7 class map

associating with Layer 7 policy map 3-64

configuration quick start 3-5

configuring 3-31

HTTP cookie 3-35

HTTP header 3-36, 3-50

HTTP URL 3-41, 3-52

HTTP URL, excluding specific files/MIME types for HTTP compression 3-45

nesting 3-58

overview 3-2

source IP address 3-27, 3-55

SSL cipher 3-43

Layer 7 policy map

configuration quick start 3-5

configuring 3-60

defining inline match statements 3-62

Layer 7 class map association 3-64

Layer 7 SLB policy actions

associating with Layer 3 and Layer 4 SLB policy 3-78

compress packets 3-69

discarding requests 3-69

forwarding requests 3-70

HTTP compression 3-66, 3-83

HTTP compression, excluding specific files/MIME types 3-45

HTTP header insertion 3-13, 3-14, 3-70

IP differentiated services code point 3-77

load balancing to server farm 3-72

SSL proxy service 3-78

sticky server farm 3-76

least bandwidth, load-balancing method 1-3, 2-65

leastconns, load-balancing method 1-3, 2-67

least loaded, load-balancing method 1-3, 2-69

load balancing

application response 1-2, 2-73

configurational diagram 3-4

configuring real servers and server farms 2-1

configuring traffic policies 3-1

definition 1-1

DNS 3-127

enabling a VIP 3-118

example 3-156

firewall 6-1, 6-3, 6-6, 6-18

hash address 1-2, 2-57

hash content 1-2, 2-58

hash cookie 1-2, 2-60

hash header 1-2, 2-61

hash url 1-2, 2-64

least bandwidth 1-3, 2-65

leastconns 1-3, 2-67

least loaded 1-3

least-loaded 2-69

operating ACE exclusively for 1-8

overview 1-1

predictor method 2-55

RADIUS 3-61, 3-133

RDP 3-61, 3-130

roundrobin 1-3, 2-74

RTSP 3-61, 3-143

SIP 3-61, 3-149

standard firewall 6-6

statistics, clearing 3-185

statistics, displaying 3-160

stealth firewall 6-18

load threshold, VM probe 2-12

M

mailbox, configuring for IMAP probes 4-45

match criteria

HTTP cookie 3-35

HTTP header 3-36, 3-50

HTTP URL 3-41, 3-52

HTTP URL, excluding for HTTP compression 3-45

Layer 4 payload 3-23

nested HTTP class map 3-58

RADIUS calling station ID 3-49

RADIUS username 3-49

RTSP header 3-50

RTSP URL 3-52

single match statement 3-62

SIP header 3-53

source IP address 3-27, 3-55

SSL cipher 3-43

MD5 hash value, configuring for probes 4-30

method

IMAP probes 4-46

POP3 probes 4-48

Multipurpose 3-45

N

NAS address, configuring for RADIUS probes 4-56

NAT

disabling 2-91

Network Access Server, configuring for RADIUS probes 4-56

Nexus 7000 series switches 2-1, 2-4

Nexus device

configuring 2-5

credentials 2-7

IP address 2-6

statistics, displaying 2-15

non-RADIUS data forwarding 3-138

O

OTV 2-1, 2-4

P

parameter map

case-sensitivity matching 3-82, 3-96

configuring 3-78, 3-81, 3-94

HTTP compression 3-83

HTTP statistics, displaying 3-167

ignore malformed cookies 3-90

maximum bytes to parse 3-80, 3-87, 3-88, 3-96

maximum parse length exceeded 3-89

persistence rebalance 3-91, 3-93

persistence rebalance strict 3-93

RTSP 3-94

TCP server reuse 3-93

URL delimiters 3-86

partial server farm failover 2-77

password credentials

IMAP probes 4-45

POP3 probes 4-47

RADIUS probes 4-55

payload length 5-30

persistence rebalance 3-91, 3-93

policy map

associated class map 3-107

configuration example 3-156

configuring 3-1

Layer 3 and Layer 4 3-105

Layer 7 3-60

POP3 probe, configuring 4-46

port

number, configuring for probes 4-8

probe port inheritance 4-10

predictor

application response 1-2, 2-73

hash address 1-2, 2-57

hash content 1-2, 2-58

hash cookie 1-2, 2-60

hash cookie secondary 2-60

hash header 1-2, 2-61

hash url 1-2, 2-64

least bandwidth 1-3, 2-65

leastconns 1-3, 2-67

least loaded 1-3

least-loaded 2-69

roundrobin 1-3, 2-74

probe

active, defining 4-4

active script file statistics, displaying A-28

associating with server farms 2-53, 2-83

clearing statistics 4-85

configuration example 4-63

configurations, displaying 4-77

configuring 4-2, 4-6

configuring for real servers 2-8

configuring for scripts A-11

description, entering 4-7

DNS 4-40

DNS domain name 4-41

DNS expected IP address 4-41

Echo 4-24

Finger 4-25

FTP 4-38

FTP server status code 4-38

global scripted probe statistics, displaying A-27

HTTP 4-25

HTTP enabling regex parsing caching 4-32

HTTP for appending port information 4-33

HTTP header fields 4-27, 4-52

HTTP MD5 hash value 4-30

HTTP request method 4-28

HTTPS 4-34

HTTP server status code 4-29, 4-50, 4-53

ICMP 4-19

IMAP 4-44

IMAP credentials 4-45

IMAP mailbox 4-45

IMAP request method 4-46

IP destination address 4-7

POP3 4-46

POP3 credentials 4-47

POP3 request method 4-48

port inheritance 4-10

port number 4-8

RADIUS 4-54

RADIUS credentials 4-55

RADIUS NAS address 4-56

retry count 4-15

RTSP, configuring 4-51

scripted 4-61

scripted, debugging A-30

scripted probe information, displaying A-24, A-25

scripting quick start A-4

scripting using TCL A-2

script name 4-62

script-writing example A-23

SIP, configuring 4-48

SIP request method 4-49, 4-52

SMTP 4-42

SMTP destination server status code 4-43

SNMP-based server load, configuring 4-56

SSL cipher suite 4-35

SSL version 4-36

statistics, clearing 4-85

statistics, displaying 4-76

status code 4-43

TCP connection termination 4-20

TCP type 4-19

Telnet 4-40

threshold 4-15

time interval 4-14

timeout for a response 4-18

TLS version 4-36

types 2-53

UDP 4-23

VM, configuring 2-10

wait interval 4-15, 4-17

wait period 4-15

writing scripts for A-11

protocol, generic data parsing 3-22

protocol, generic load balancing 3-60

Q

quick start

HTTP-content stickiness configuration 5-34

HTTP-cookie stickiness configuration 5-45

HTTP-header stickiness configuration 5-58

IP address stickiness configuration 5-12

Layer 3 and Layer 4 SLB traffic policy configuration 3-10

Layer 4 payload stickiness configuration 5-24

Layer 7 Traffic Policy Configuration 3-5

probe scripting A-4

RADIUS-attribute stickiness configuration 5-74

RTSP-Session stickiness configuration 5-81

SIP Call-ID stickiness configuration 5-88

Standard FWLB Configuration for ACE A 6-8

Standard FWLB Configuration for ACE B 6-12

Stealth FWLB Configuration for ACE A 6-20

Stealth FWLB Configuration for ACE B 6-25

R

RADIUS

calling station ID 3-49

load balancing 3-49, 3-61, 3-133

load-balancing configuration examples 3-140, 3-141

match criteria 3-49

probes, configuring 4-54

username 3-49

rate limiting

bandwidth 2-14, 2-87

connection 2-14, 2-87

RDP load balancing 3-61, 3-130

real server

cookie string 2-85

real servers

associating with server farm 2-79

backup 2-82

behavior 2-19

checking health 2-8

clearing connections 2-108

clearing statistics 2-108

configuration examples 2-21

configuration quick start 2-3

configuring 2-1

configuring probes for 2-8

configuring weight (connection capacity) 2-17, 2-81

configuring weight for in server farm 2-81

creating 2-5

displaying configurations and statistics 2-101

displaying connections 2-105

entering description for 2-6, 2-80

entering IP address 2-6

graceful shutdown 2-19, 2-90, 4-20

managing 2-19

overview 2-2

placing in service 2-18, 2-89

rate limiting 2-14, 2-87

redirecting client requests 2-16

setting connection limits 2-12, 2-86

shutting down, gracefully 2-19, 2-90, 4-20

Real Time Streaming Protocol. See RTSP

redirect server

configuring a probe 2-10

regular expressions 3-15, 3-16, 3-18, 3-22, 3-24, 3-34, 3-35, 3-37, 3-41

Remote Authentication Dial In User Service. See RADIUS

Remote Desktop Protocol. See RDP

request methods

configuring for IMAP probes 4-46

configuring for POP3 probes 4-48

retry

count, configuring for probes 4-15

roundrobin, load-balancing predictor 1-3, 2-74

routing

asymmetric 1-8

RTSP

header 3-50

header match criteria 3-50

load balancing 3-50, 3-52, 3-61, 3-143

match criteria 3-52

maximum number of bytes to parse 3-96

parameter map, configuring 3-94

probe 4-51

URL 3-52

S

scripted probes

configuring 4-61

script name 4-62

scripts

active script file statistics, displaying A-28

configuring probes for A-11

copying A-7

copying and loading A-6

debugging A-30

displaying script file contents A-30

environment variables A-20

exit codes A-21

global scripted probe statistics, displaying A-27

information, displaying A-24, A-25

loading A-9

overview A-2

probe script example A-23

reloading modified A-10

removing from memory A-10

sample A-8

script probe array A-20

supported commands A-12

unzipping A-8

writing for health monitoring A-11

server

reuse 3-93

shutdown, graceful 2-20

server farms

assigning backup server 2-82

associating probes for 2-53, 2-83

associating real servers for use with 2-79

associating VMs as real servers 2-15

backup 3-72

backup, behavior with stickiness 5-8

backup, configuring 2-77, 2-91

clearing statistics 2-120

configuration examples 2-98

configuration quick start 2-25

configuring 2-1

creating 2-27

disabling NAT 2-91

displaying configurations 2-109

displaying connections 2-116

displaying HTTP return codes 2-115

displaying statistics 2-110

DWS attributes 2-13

enabling for DWS 2-14

enabling load balancing for 3-72

entering description for 2-28

failover, partial 2-77

HTTP return error code checking, configuring 2-75

overview 2-2, 2-24

placing real servers in service 2-89

predictor method 2-55

real server weight, configuring 2-81

setting real server connection limits 2-86

specifying failure action 2-28

sticky, configuring 3-76

server load balancing

configurational diagram 3-4

configuration example 3-156

configuring Layer 3 and Layer 4 policy map 3-105

configuring Layer 7 class map 3-31

configuring Layer 7 policy map 3-60

configuring traffic policies 3-1

definition 1-1

operating ACE exclusively for 1-8

overview 1-1

statistics, clearing 3-185

statistics, displaying 3-160

server normalization, asymmetric 2-91

server shutdown, graceful 2-90, 4-20

service policy

applying to an interface 3-120

statistics, clearing 3-186

statistics, displaying 3-171

Session Initiation Protocol. See SIP

shared secret credentials, configuring for RADIUS probes 4-55

shutdown, graceful server 2-20, 4-20

SIP

Call-ID 3-53

header match criteria 3-53

load balancing 3-53, 3-61, 3-149

load-balancing configuration examples 3-154, 3-155

probe 4-48

request method, configuring for probes 4-49, 4-52

SLB. See server load balancing

SMTP probes, configuring 4-42

SNMP

SNMP-based server load probe 4-56

sorry server. See backup server

source IP address 2-57, 2-106, 2-117, 3-14, 3-15, 3-27, 3-55, 3-70, 3-71, 5-4, 5-11, 5-14, 5-17, 5-123, 6-3, 6-9, 6-21

SSL

cipher-based load balancing 3-43

cipher match criteria 3-43

proxy service, specifying 3-78

Session ID stickiness 5-7

SSL Session-ID stickiness 5-94

version, configuring for probes 4-36

standard firewall

diagram, configurational 6-4

example, configurational 6-33, 6-34

load balancing, configuring 6-6

quick start 6-8, 6-12

statistics

active script files, displaying A-28

HTTP, displaying 3-178

HTTP parameter map, displaying 3-167

HTTP URL statement hit counts, displaying 3-177

load-balancing, clearing 3-185

load-balancing, displaying 3-160

probes, clearing 4-85

probes, displaying 4-76

real servers, clearing 2-108

real servers, displaying 2-101

scripted probes, displaying A-27

server farms, clearing 2-120

server farms, displaying 2-110

service-policy, clearing 3-186

service policy, displaying 3-171

sticky, clearing 5-128

sticky, displaying 5-120

sticky database, displaying 5-121

status code, configuring for SMTP probes 4-43

stealth firewall

diagram, configurational 6-5, 6-6

example, configurational 6-36, 6-38

IP address, configuring 6-19

load balancing, configuring 6-18

quick start 6-20, 6-25

stickiness

configurational example 5-129

database entries, clearing 5-128

displaying information 5-120

HTTP cookie 5-43

HTTP cookie configuration example 5-54

HTTP header configuration example 5-68

IP address configuration example 5-20

IP addresses, configuring 5-11

quick start, HTTP-content configuration 5-34

quick start, HTTP-cookie configuration 5-45

quick start, HTTP-header stickiness configuration 5-58

quick start, IP address sticky configuration 5-12

quick start, Layer 4 payload configuration 5-24

quick start, RADIUS stickiness configuration 5-74

quick start, RTSP-Session stickiness configuration 5-81

quick start, SIP Call-ID stickiness configuration 5-88

quick start, SSL Session ID 5-96

SLB traffic policy, configuring 5-118

SSL Session ID 5-7, 5-94

statistics, clearing 5-128

statistics, displaying 5-121

stickiness (HTTP-content)

associating server farm with sticky group 5-42

content length, configuring 5-38

content offset, configuring 5-38

quick start 5-34

replicate HTTP-content sticky table entries, enabling 5-38

server farm entry, configuring 5-42

static content, configuring 5-41

sticky group, creating 5-36

timeout, configuring 5-37

timeout for active connections, configuring 5-37

stickiness (HTTP-cookie)

associating server farm with sticky group 5-53

configuration example 5-54

cookie insertion, enabling 5-50

cookie length, configuring 5-51

cookie offset, configuring 5-51

quick start 5-45, 5-58

replicate HTTP-cookie sticky table entries, enabling 5-49

secondary cookie, configuring 5-51

server farm entry, configuring 5-53

static cookie, configuring 5-52

sticky group, creating 5-47

timeout, configuring 5-48

timeout for active connections, configuring 5-49

stickiness (HTTP-header)

associating server farm with sticky group 5-67

configuration example 5-68

cookie length, configuring 5-65

cookie offset, configuring 5-65

replicate HTTP-header sticky table entries, enabling 5-64

server farm sticky group, configuring 5-67

static HTTP-header, configuring 5-66

sticky group, creating 5-60

timeout, configuring 5-63

timeout for active connections, configuring 5-64

stickiness (IP address)

associating server farm with sticky group 5-19

configuration example 5-20

quick start 5-12

replicate IP-address sticky table entries, enabling 5-17

requirements 5-9

server farm sticky group, configuring 5-19

static IP-address table entries, configuring 5-17

sticky IP group, creating 5-14

timeout, configuring 5-15

timeout for active connections, configuring 5-16

stickiness (Layer 4 payload)

associating server farm with sticky group 5-32

overview 5-22

parameters, configuring 5-29

quick start 5-24

replicate Layer 4 payload sticky table entries, enabling 5-28

server farm entry, configuring 5-32

static entry, configuring 5-31

timeout, configuring 5-27

timeout for active connections, configuring 5-27

stickiness (RADIUS-attribute)

associating server farm with sticky group 5-78

quick start 5-74

replicate RADIUS-attribute sticky table entries, enabling 5-78

server farm sticky group, configuring 5-78

sticky group, creating 5-76

timeout, configuring 5-77

timeout for active connections, configuring 5-77

stickiness (RTSP-Session)

associating server farm with sticky group 5-87

cookie length, configuring 5-85

cookie offset, configuring 5-85

quick start 5-81

replicate RTSP-Session sticky table entries, enabling 5-84

server farm sticky group, configuring 5-87

static RTSP-Session, configuring 5-86

sticky group, creating 5-83

timeout, configuring 5-83

timeout for active connections, configuring 5-84

stickiness (SIP Call-ID)

associating server farm with sticky group 5-93

quick start 5-88

replicate SIP Call-ID sticky table entries, enabling 5-92

server farm sticky group, configuring 5-93

static SIP Call-ID, configuring 5-93

sticky group, creating 5-90

timeout, configuring 5-91

timeout for active connections, configuring 5-91

stickiness (SSL Session ID)

32-byte configuration example 5-102

configuration requirements and considerations 5-96

offset, length, and beginning pattern, configuring 5-101

overview 5-94

quick start 5-96

server farm entry, configuring 5-100

SSL Session ID learning, enabling 5-100

sticky group, creating 5-99

sticky timeout, configuring 5-99

sticky

configuration examples 5-20, 5-54, 5-68

cookies for client identification 5-5

database entries, clearing 5-128

database entries, displaying 5-121

displaying information 5-120

e-commerce application requirements 5-3

groups 5-3

HTTP header for client identification 5-6

IP address for client identification 5-4

methods 5-4

overview 5-2

purpose 5-3

statistics, clearing 5-121

statistics, displaying 5-121

table 5-7

T

TCL

copying and loading scripts A-6

copying scripts A-7

environment variables A-20

exit codes A-21

loading scripts A-9

reloading modified scripts A-10

removing scripts from memory A-10

scripts overview A-2

supported script commands A-12

unzipping scripts A-8

TCP

connection termination 4-20

probe, configuring 4-19

server reuse, configuring 3-93

Telnet

probes, configuring 4-40

threshold, configuring for probes 4-15

timeout period, configuring for probe response 4-18

TLS

version, configuring for probes 4-36

Toolkit Command Language. See TCL. A-1

traffic, distribution across firewalls 6-1, 6-3

traffic classification process 3-3

traffic policies

configurational diagram 3-4

configuration example 3-156

configuring 3-1

configuring for stickiness 5-118

overview 3-2

U

UDP

booster 3-127

per packet load balancing 3-115

probe, configuring 4-23

URL

delimiters, defining 3-86

length 3-89

maximum bytes to parse 3-80, 3-87, 3-88, 3-96

username

credentials, configuring 4-45, 4-47, 4-55

V

VIP

address, advertising 3-113

defining match criteria 3-99, 3-102, 4-67, 4-69, 5-119, 6-10, 6-22, 6-23

disabling translation 2-91

enabling for load balancing 3-118, 6-16, 6-30

reply to ICMP request 3-114

UDP per packet load balancing 3-115

virtual IP address. See VIP

virtual machines. See VMs

virtual private cloud 2-1

VM controller

configuring 2-8

credentials 2-9

statistics, displaying 2-16

URL 2-8

VM probe

associating a VM controller 2-11

bursting threshold 2-12

configuring 2-10

details, displaying 2-21

interval 2-11

load threshold 2-12

statistics, displaying 2-20

VMs

associating as real servers in a server farm 2-15

locality 2-5

overview 2-2

VMware vCenter Server 2-1

VPC 2-1

W

wait interval, configuring for probes 4-15, 4-17

wait period, configuring for probes 4-15

weight, setting for real servers 2-17, 2-81

weighted roundrobin. See roundrobin