Server Load-Balancing Guide vA4(2.0), Cisco ACE Application Control Engine Module
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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 3-24

A

action list

associating with a Layer 7 policy map 3-59

configuring 3-13

alias IP address 6-2, 6-4, 6-5, 6-17

application response, load-balancing method 1-2, 2-59

asymmetric routing 1-7

asymmetric server normalization 2-77

B

backup

server, configuring 2-68

server farm, behavior with stickiness 5-7

server farm, configuring 2-64, 2-77

server farms 3-65

bandwidth rate limiting 2-11, 2-73

booster, UDP 3-107

bursting threshold, VM probe 2-12

C

case-sensitivity matching 3-74, 3-87

cipher-based load balancing 3-40

cipher suites

HTTPS probes, configuring for 4-30

Cisco Overlay Transport Virtualization. See OTV

class map

configuration example 3-136

configuring 3-1, 3-88

description, entering 3-20, 3-71, 3-73, 3-86, 3-89

Layer 7 3-28

overview 3-2

use with real servers 2-2

compression

content types supported 3-61

HTTP parameter map 3-75

Layer 7 SLB policy action 3-59, 3-75

Layer 7 SLB policy action, excluding specific files/MIME types for HTTP compression 3-42

configurational examples

HTTP cookie stickiness 5-51

HTTP header stickiness 5-63

IP address stickiness 5-18

probe 4-57

RADIUS load-balancing 3-120, 3-121

real server 2-18

server farms 2-82

SIP load-balancing 3-134, 3-135

SLB traffic policy 3-136

standard firewall 6-30, 6-31

stealth firewall 6-33, 6-34

stickiness 5-115

connection keepalive. See HTTP persistence rebalance

connections

clearing for real servers 2-91

connection failure, specifying server farm action 2-24

connection termination, TCP 4-18

displaying for real servers 2-88

displaying for server farms 2-98

rate limiting 2-11, 2-73

content

length 2-45

matching HTTP 3-31

offset 5-35

cookie

client 5-5

configuring stickiness 5-39

insertion 2-71, 5-46

length 2-50, 3-80, 5-36, 5-48

match criteria 3-32

maximum bytes to parse 3-72, 3-79, 3-80, 3-87

offset 5-47

sticky client identification 5-5

string 2-71

credentials (mailbox), configuring for IMAP probes 4-39

D

database entries

sticky, clearing 5-114

sticky, displaying 5-109

Data Center Interconnect. See DCI

DCI 2-1, 2-4

delimiters, URL 3-77, 3-78

destination IP address 2-44, 2-89, 2-99, 3-2, 3-15, 3-64, 5-3, 5-10, 5-13, 5-16, 6-3

destination server status code, configuring for SMTP probes 4-37

differentiated services code point. See DSCP

displaying

probe configuration information 4-70

real server configuration information 2-84

server farm configuration information 2-92

sticky configuration information 5-108

DNS

load balancing 3-107

probes, configuring 4-35

domain

name, configuring for DNS probes 4-35

DSCP 3-69

DWS

configuration guidelines 2-4

configuring 2-3

displaying statistics 2-15

enabling a server farm 2-14

overview 2-1

prerequisites 2-4

real server locality, displaying 2-19

real server locality in server farm, displaying 2-18

server farm attributes 2-13

server farm state, displaying 2-18

VIP state, displaying 2-18

dynamic workload scaling. See DWS

E

Echo probes, configuring 4-22

e-commerce

applications, sticky requirements 5-3

using stickiness 5-2

expressions, regular 3-16, 3-18, 3-21, 3-23, 3-31, 3-33, 3-34, 3-38

F

failover

server farm 2-64

Finger probes, configuring 4-23

firewall

alias IP address 6-2, 6-4, 6-5, 6-17

configuration examples 6-30

configurations, displaying 6-29

configurations, supported 6-3

disabling NAT 2-77

load balancing 6-1, 6-3, 6-5, 6-16

overview 6-1

standard configurational diagram 6-4

stealth configurational diagram 6-5

traffic distribution 6-2

types 6-2, 6-3

FTP probes, configuring 4-32

G

generic protocol

data parsing 3-20

load balancing 3-54

graceful server shutdown 2-16, 2-17, 2-76, 4-18

H

hash load-balancing methods

address 1-2, 2-44

content 1-2, 2-44

cookie 1-2, 2-47

header 1-2, 2-48

secondary cookie 2-47

url 1-2, 2-51

header

deletion 3-19

insertion 3-13, 3-15, 3-63

rewrite 3-13, 3-18

health monitoring

configuring 4-1

inband 2-36

real servers 2-6

HTTP

compression 3-59, 3-75

content match criteria 3-31

load balancing 3-54

persistence rebalance 3-82, 3-84

persistence strict 3-83

probes, configuring 4-23, 4-25, 4-46

request method, configuring for probes 4-26

return error code checking 2-61

statistics, displaying 3-145, 3-156

URL hit count statistics, displaying 3-154

URL match criteria 3-38, 3-47

URL match criteria, excluding for HTTP compression 3-42

HTTP content

length 2-45, 5-36

offset 2-45, 5-36

HTTP cookie

length 2-50, 5-48

match criteria 3-32

offset 2-50, 5-48

stickiness 5-39

HTTP header

deletion 3-19

insertion 3-13, 3-15, 3-63

length 3-80

match criteria 3-33, 3-45

maximum bytes to parse 3-72, 3-79, 3-80, 3-87

rewrite 3-13, 3-18

sticky client identification 5-5

HTTP parameter map

case-sensitivity matching 3-74, 3-87

compression 3-75

configuring 3-70, 3-72, 3-85

maximum bytes to parse 3-72, 3-79, 3-80, 3-87

maximum parse length exceeded 3-80

persistence rebalance 3-82, 3-84

persistence rebalance strict 3-83

statistics, displaying 3-145

TCP server reuse 3-84

URL delimiters 3-77, 3-78

HTTP return codes

server farms, displaying 2-97

HTTPS

cipher suite for probes 4-30

probes, configuring 4-30

I

ICMP

probes, configuring 4-17

IMAP probes, configuring 4-38

inband health monitoring 2-36

interface

applying Layer 3 and Layer 4 policy to 3-104

interval, configuring for probes 4-12

IP address

alias 6-2, 6-4, 6-5, 6-17

configuring a probe under a redirect server 2-8

configuring destination for probes 4-7

configuring stickiness 5-10

destination 2-44, 2-89, 2-99, 3-2, 3-15, 3-64, 5-3, 5-10, 5-13, 5-16, 6-3, 6-12, 6-24

entering for real servers 2-6

expected for DNS probes 4-36

match criteria 3-26, 3-50

source 2-44, 2-89, 2-99, 3-14, 3-15, 3-26, 3-50, 3-63, 3-64, 5-3, 5-10, 5-13, 5-16, 5-109, 6-3, 6-8, 6-19

sticky client identification 5-4

sticky configuration requirements 5-8

virtual 2-77, 3-14, 3-63, 3-88, 3-89, 3-93, 3-98, 3-99, 3-102, 5-106, 6-8, 6-15, 6-19, 6-20, 6-27

K

keepalive-appliance protocol (KAL-AP)

clearing statistics 4-70

configuring 4-58, 4-62

displaying load information 4-67

displaying statistics 4-68

keepalives. See probes

L

Layer 3 and 4 policy map

SLB, configuring 3-93

Layer 3 and Layer 4 class map

associating with policy map 3-95

configuring 3-88

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 3-98

enabling a VIP for load balancing 3-102

enabling UDP per packet load balancing 3-101

enabling VIP address advertising 3-98

enabling VIP reply to ICMP request 3-99

HTTP parameter map, associating with Layer 3 and Layer 4 policy map 3-97

Layer 7 policy map, associating with Layer 3 and Layer 4 policy map 3-96

specifying 3-95

Layer 4 payload

"xST" metacharacter 3-24

length for sticky 5-26

match criteria for generic data parsing 3-22

offset for sticky 5-26

Layer 7 class map

associating with Layer 7 policy map 3-57

configuration quick start 3-5

configuring 3-28

HTTP cookie 3-32

HTTP header 3-33, 3-45

HTTP URL 3-38, 3-47

HTTP URL, excluding specific files/MIME types for HTTP compression 3-42

nesting 3-52

overview 3-2

source IP address 3-26, 3-50

SSL cipher 3-40

Layer 7 policy map

configuration quick start 3-5

configuring 3-53

defining inline match statements 3-56

Layer 7 class map association 3-57

Layer 7 SLB policy actions

associating with Layer 3 and Layer 4 SLB policy 3-70

compress packets 3-61

discarding requests 3-62

forwarding requests 3-63

HTTP compression 3-59, 3-75

HTTP compression, excluding specific files/MIME types 3-42

HTTP header insertion 3-13, 3-15, 3-63

IP differentiated services code point 3-69

load balancing to server farm 3-65

SSL proxy service 3-69

sticky server farm 3-68

least bandwidth, load-balancing method 1-2, 2-52

leastconns, load-balancing method 1-3, 2-53

least loaded, load-balancing method 1-3, 2-55

load balancing

application response 1-2, 2-59

configurational diagram 3-4

configuring real servers and server farms 2-1

configuring traffic policies 3-1

definition 1-1

DNS 3-107

enabling a VIP 3-102

example 3-136

firewall 6-1, 6-3, 6-5, 6-16

hash address 1-2, 2-44

hash content 1-2, 2-44

hash cookie 1-2, 2-47

hash header 1-2, 2-48

hash url 1-2, 2-51

least bandwidth 1-2, 2-52

leastconns 1-3, 2-53

least loaded 1-3

least-loaded 2-55

operating ACE exclusively for 1-7

overview 1-1

predictor method 2-42

RADIUS 3-54, 3-113

RDP 3-54, 3-109

roundrobin 1-3, 2-61

RTSP 3-54, 3-123

SIP 3-54, 3-128

standard firewall 6-5

statistics, clearing 3-163

statistics, displaying 3-140

stealth firewall 6-16

load threshold, VM probe 2-12

M

mailbox, configuring for IMAP probes 4-39

match criteria

HTTP cookie 3-32

HTTP header 3-33, 3-45

HTTP URL 3-38, 3-47

HTTP URL, excluding for HTTP compression 3-42

Layer 4 payload 3-22

nested HTTP class map 3-52

RADIUS calling station ID 3-44

RADIUS username 3-44

RTSP header 3-45

RTSP URL 3-47

single match statement 3-56

SIP header 3-48

source IP address 3-26, 3-50

SSL cipher 3-40

MD5 hash value, configuring for probes 4-28

method

IMAP probes 4-40

POP3 probes 4-42

Multipurpose 3-42

N

NAS address, configuring for RADIUS probes 4-50

NAT

disabling 2-77

Network Access Server, configuring for RADIUS probes 4-50

Nexus 7000 series switches 2-1, 2-4

Nexus device

configuring 2-5

credentials 2-6

IP address 2-6

statistics, displaying 2-15

non-RADIUS data forwarding 3-118

O

OTV 2-1, 2-4

P

parameter map

case-sensitivity matching 3-74, 3-87

configuring 3-70, 3-72, 3-85

HTTP compression 3-75

HTTP statistics, displaying 3-145

maximum bytes to parse 3-72, 3-79, 3-80, 3-87

maximum parse length exceeded 3-80

persistence rebalance 3-82, 3-84

persistence rebalance strict 3-83

RTSP 3-85

TCP server reuse 3-84

URL delimiters 3-77, 3-78

partial server farm failover 2-64

password credentials

IMAP probes 4-39

POP3 probes 4-41

RADIUS probes 4-49

payload length 5-26

persistence rebalance 3-82, 3-84

policy map

associated class map 3-95

configuration example 3-136

configuring 3-1

Layer 3 and Layer 4 3-93

Layer 7 3-53

POP3 probe, configuring 4-40

port

number, configuring for probes 4-7

probe port inheritance 4-9

predictor

application response 1-2, 2-59

hash address 1-2, 2-44

hash content 1-2, 2-44

hash cookie 1-2, 2-47

hash cookie secondary 2-47

hash header 1-2, 2-48

hash url 1-2, 2-51

least bandwidth 1-2, 2-52

leastconns 1-3, 2-53

least loaded 1-3

least-loaded 2-55

roundrobin 1-3, 2-61

probe

active, defining 4-3

active script file statistics, displaying A-27

associating with server farms 2-40, 2-69

clearing statistics 4-78

configuration example 4-57

configurations, displaying 4-70

configuring 4-2, 4-6

configuring for real servers 2-6

configuring for scripts A-11

description, entering 4-6

DNS 4-35

DNS domain name 4-35

DNS expected IP address 4-36

Echo 4-22

Finger 4-23

FTP 4-32

FTP server status code 4-33

global scripted probe statistics, displaying A-26

HTTP 4-23

HTTP header fields 4-25, 4-46

HTTP MD5 hash value 4-28

HTTP request method 4-26

HTTPS 4-30

HTTP server status code 4-27, 4-44, 4-47

ICMP 4-17

IMAP 4-38

IMAP credentials 4-39

IMAP mailbox 4-39

IMAP request method 4-40

IP destination address 4-7

POP3 4-40

POP3 credentials 4-41

POP3 request method 4-42

port inheritance 4-9

port number 4-7

RADIUS 4-48

RADIUS credentials 4-49

RADIUS NAS address 4-50

retry count 4-13

RTSP, configuring 4-45

scripted 4-55

scripted, debugging A-30

scripted probe information, displaying A-24

scripting quick start A-4

scripting using TCL A-2

script name 4-56

script-writing example A-22

SIP, configuring 4-42

SIP request method 4-43, 4-46

SMTP 4-36

SMTP destination server status code 4-37

SNMP-based server load, configuring 4-50

SSL cipher suite 4-30

SSL version 4-31

statistics, clearing 4-78

statistics, displaying 4-70

status code 4-37

TCP connection termination 4-18

TCP type 4-18

Telnet 4-34

threshold 4-14

time interval 4-12

timeout for a response 4-16

TLS version 4-31

types 2-40

UDP 4-21

VM, configuring 2-9

wait interval 4-14, 4-15

wait period 4-14

writing scripts for A-11

protocol, generic data parsing 3-20

protocol, generic load balancing 3-54

Q

quick start

HTTP-content stickiness configuration 5-31

HTTP-cookie stickiness configuration 5-42

HTTP-header stickiness configuration 5-54

IP address stickiness configuration 5-10

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

Layer 4 payload stickiness configuration 5-21

Layer 7 Traffic Policy Configuration 3-5

probe scripting A-4

RADIUS-attribute stickiness configuration 5-66

RTSP-Session stickiness configuration 5-72

SIP Call-ID stickiness configuration 5-80

Standard FWLB Configuration for ACE A 6-6

Standard FWLB Configuration for ACE B 6-10

Stealth FWLB Configuration for ACE A 6-17

Stealth FWLB Configuration for ACE B 6-22

R

RADIUS

calling station ID 3-44

load balancing 3-44, 3-54, 3-113

load-balancing configuration examples 3-120, 3-121

match criteria 3-44

probes, configuring 4-48

username 3-44

rate limiting

bandwidth 2-11, 2-73

connection 2-11, 2-73

RDP load balancing 3-54, 3-109

real server

cookie string 2-71

real servers

associating with server farm 2-65

backup 2-68

behavior 2-16

checking health 2-6

clearing connections 2-91

clearing statistics 2-91

configuration examples 2-18

configuration quick start 2-3

configuring 2-1

configuring probes for 2-6

configuring weight (connection capacity) 2-14, 2-67

configuring weight for in server farm 2-67

creating 2-4

displaying configurations and statistics 2-84

displaying connections 2-88

entering description for 2-5, 2-67

entering IP address 2-6

graceful shutdown 2-16, 2-76, 4-18

managing 2-16

overview 2-2

placing in service 2-15, 2-75

rate limiting 2-11, 2-73

redirecting client requests 2-13

setting connection limits 2-9, 2-72

shutting down, gracefully 2-16, 2-76, 4-18

Real Time Streaming Protocol. See RTSP

redirect server

configuring a probe 2-8

regular expressions 3-16, 3-18, 3-21, 3-23, 3-31, 3-33, 3-34, 3-38

Remote Authentication Dial In User Service. See RADIUS

Remote Desktop Protocol. See RDP

request methods

configuring for IMAP probes 4-40

configuring for POP3 probes 4-42

retry

count, configuring for probes 4-13

roundrobin, load-balancing predictor 1-3, 2-61

routing

asymmetric 1-7

RTSP

header 3-45

header match criteria 3-45

load balancing 3-45, 3-47, 3-54, 3-123

match criteria 3-47

maximum number of bytes to parse 3-87

parameter map, configuring 3-85

probe 4-45

URL 3-47

S

scripted probes

configuring 4-55

script name 4-56

scripts

active script file statistics, displaying A-27

configuring probes for A-11

copying A-7

copying and loading A-5

debugging A-30

displaying script file contents A-30

environment variables A-20

exit codes A-21

global scripted probe statistics, displaying A-26

information, displaying A-24

loading A-9

overview A-2

probe script example A-22

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 3-84

shutdown, graceful 2-17

server farms

assigning backup server 2-68

associating probes for 2-40, 2-69

associating real servers for use with 2-65

associating VMs as real servers 2-15

backup 3-65

backup, behavior with stickiness 5-7

backup, configuring 2-64, 2-77

clearing statistics 2-102

configuration examples 2-82

configuration quick start 2-20

configuring 2-1

creating 2-22

disabling NAT 2-77

displaying configurations 2-92

displaying connections 2-98

displaying HTTP return codes 2-97

displaying statistics 2-92

DWS attributes 2-13

enabling for DWS 2-14

enabling load balancing for 3-65

entering description for 2-24

failover, partial 2-64

HTTP return error code checking, configuring 2-61

overview 2-2, 2-20

placing real servers in service 2-75

predictor method 2-42

real server weight, configuring 2-67

setting real server connection limits 2-72

specifying failure action 2-24

sticky, configuring 3-68

server load balancing

configurational diagram 3-4

configuration example 3-136

configuring Layer 3 and Layer 4 policy map 3-93

configuring Layer 7 class map 3-28

configuring Layer 7 policy map 3-53

configuring traffic policies 3-1

definition 1-1

operating ACE exclusively for 1-7

overview 1-1

statistics, clearing 3-163

statistics, displaying 3-140

server normalization, asymmetric 2-77

server shutdown, graceful 2-76, 4-18

service policy

applying to an interface 3-104

statistics, clearing 3-164

statistics, displaying 3-149

Session Initiation Protocol. See SIP

shared secret credentials, configuring for RADIUS probes 4-49

shutdown, graceful server 2-17, 4-18

SIP

Call-ID 3-48

header match criteria 3-48

load balancing 3-48, 3-54, 3-128

load-balancing configuration examples 3-134, 3-135

probe 4-42

request method, configuring for probes 4-43, 4-46

SLB. See server load balancing

SMTP probes, configuring 4-36

SNMP

SNMP-based server load probe 4-50

sorry server. See backup server

source IP address 2-44, 2-89, 2-99, 3-14, 3-15, 3-26, 3-50, 3-63, 3-64, 5-3, 5-10, 5-13, 5-16, 5-109, 6-3, 6-8, 6-19

SSL

cipher-based load balancing 3-40

cipher match criteria 3-40

proxy service, specifying 3-69

Session ID stickiness 5-6

SSL Session-ID stickiness 5-87

version, configuring for probes 4-31

standard firewall

diagram, configurational 6-4

example, configurational 6-30, 6-31

load balancing, configuring 6-5

quick start 6-6, 6-10

statistics

active script files, displaying A-27

HTTP, displaying 3-156

HTTP parameter map, displaying 3-145

HTTP URL statement hit counts, displaying 3-154

load-balancing, clearing 3-163

load-balancing, displaying 3-140

probes, clearing 4-78

probes, displaying 4-70

real servers, clearing 2-91

real servers, displaying 2-84

scripted probes, displaying A-26

server farms, clearing 2-102

server farms, displaying 2-92

service-policy, clearing 3-164

service policy, displaying 3-149

sticky, clearing 5-114

sticky, displaying 5-107

sticky database, displaying 5-109

status code, configuring for SMTP probes 4-37

stealth firewall

diagram, configurational 6-5

example, configurational 6-33, 6-34

IP address, configuring 6-17

load balancing, configuring 6-16

quick start 6-17, 6-22

stickiness

configurational example 5-115

database entries, clearing 5-114

displaying information 5-107

HTTP cookie 5-39

HTTP cookie configuration example 5-51

HTTP header configuration example 5-63

IP address configuration example 5-18

IP addresses, configuring 5-10

quick start, HTTP-content configuration 5-31

quick start, HTTP-cookie configuration 5-42

quick start, HTTP-header stickiness configuration 5-54

quick start, IP address sticky configuration 5-10

quick start, Layer 4 payload configuration 5-21

quick start, RADIUS stickiness configuration 5-66

quick start, RTSP-Session stickiness configuration 5-72

quick start, SIP Call-ID stickiness configuration 5-80

quick start, SSL Session ID 5-89

SLB traffic policy, configuring 5-106

SSL Session ID 5-6, 5-87

statistics, clearing 5-114

statistics, displaying 5-109

stickiness (HTTP-content)

associating server farm with sticky group 5-38

content length, configuring 5-35

content offset, configuring 5-35

quick start 5-31

replicate HTTP-content sticky table entries, enabling 5-35

server farm entry, configuring 5-38

static content, configuring 5-38

sticky group, creating 5-33

timeout, configuring 5-34

timeout for active connections, configuring 5-34

stickiness (HTTP-cookie)

associating server farm with sticky group 5-50

configuration example 5-51

cookie insertion, enabling 5-46

cookie length, configuring 5-47

cookie offset, configuring 5-47

quick start 5-42, 5-54

replicate HTTP-cookie sticky table entries, enabling 5-46

secondary cookie, configuring 5-48

server farm entry, configuring 5-50

static cookie, configuring 5-49

sticky group, creating 5-44

timeout, configuring 5-45

timeout for active connections, configuring 5-45

stickiness (HTTP-header)

associating server farm with sticky group 5-62

configuration example 5-63

cookie length, configuring 5-60

cookie offset, configuring 5-60

replicate HTTP-header sticky table entries, enabling 5-60

server farm sticky group, configuring 5-62

static HTTP-header, configuring 5-61

sticky group, creating 5-56

timeout, configuring 5-59

timeout for active connections, configuring 5-59

stickiness (IP address)

associating server farm with sticky group 5-17

configuration example 5-18

quick start 5-10

replicate IP-address sticky table entries, enabling 5-15

requirements 5-8

server farm sticky group, configuring 5-17

static IP-address table entries, configuring 5-16

sticky IP group, creating 5-12

timeout, configuring 5-14

timeout for active connections, configuring 5-14

stickiness (Layer 4 payload)

associating server farm with sticky group 5-29

overview 5-19

parameters, configuring 5-26

quick start 5-21

replicate Layer 4 payload sticky table entries, enabling 5-25

server farm entry, configuring 5-29

static entry, configuring 5-28

timeout, configuring 5-24

timeout for active connections, configuring 5-24

stickiness (RADIUS-attribute)

associating server farm with sticky group 5-70

quick start 5-66

replicate RADIUS-attribute sticky table entries, enabling 5-70

server farm sticky group, configuring 5-70

sticky group, creating 5-68

timeout, configuring 5-69

timeout for active connections, configuring 5-69

stickiness (RTSP-Session)

associating server farm with sticky group 5-78

cookie length, configuring 5-77

cookie offset, configuring 5-77

quick start 5-72

replicate RTSP-Session sticky table entries, enabling 5-76

server farm sticky group, configuring 5-78

static RTSP-Session, configuring 5-77

sticky group, creating 5-74

timeout, configuring 5-75

timeout for active connections, configuring 5-76

stickiness (SIP Call-ID)

associating server farm with sticky group 5-86

quick start 5-80

replicate SIP Call-ID sticky table entries, enabling 5-84

server farm sticky group, configuring 5-86

static SIP Call-ID, configuring 5-85

sticky group, creating 5-82

timeout, configuring 5-83

timeout for active connections, configuring 5-84

stickiness (SSL Session ID)

32-byte configuration example 5-94

configuration requirements and considerations 5-88

offset, length, and beginning pattern, configuring 5-93

overview 5-87

quick start 5-89

server farm entry, configuring 5-92

SSL Session ID learning, enabling 5-92

sticky group, creating 5-91

sticky timeout, configuring 5-91

sticky

configuration examples 5-18, 5-51, 5-63

cookies for client identification 5-5

database entries, clearing 5-114

database entries, displaying 5-109

displaying information 5-107

e-commerce application requirements 5-3

groups 5-3

HTTP header for client identification 5-5

IP address for client identification 5-4

methods 5-3

overview 5-2

purpose 5-2

statistics, clearing 5-109

statistics, displaying 5-109

table 5-7

T

TCL

copying and loading scripts A-5

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 4-18

probe, configuring 4-18

server reuse, configuring 3-84

Telnet

probes, configuring 4-34

threshold, configuring for probes 4-14

timeout period, configuring for probe response 4-16

TLS

version, configuring for probes 4-31

Toolkit Command Language. See TCL. A-1

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

traffic classification process 3-2

traffic policies

configurational diagram 3-4

configuration example 3-136

configuring 3-1

configuring for stickiness 5-106

overview 3-2

U

UDP

booster 3-107

per packet load balancing 3-101

probe, configuring 4-21

URL

delimiters, defining 3-77, 3-78

length 3-80

maximum bytes to parse 3-72, 3-79, 3-80, 3-87

username

credentials, configuring 4-39, 4-41, 4-49

V

VIP

address, advertising 3-98

defining match criteria 3-90, 4-61, 4-63, 5-106, 6-8, 6-19, 6-20

disabling translation 2-77

enabling for load balancing 3-102, 6-15, 6-27

reply to ICMP request 3-99

UDP per packet load balancing 3-101

virtual IP address. See VIP

virtual machines. See VMs

virtual private cloud 2-1

VM controller

configuring 2-7

credentials 2-8

statistics, displaying 2-16

URL 2-8

VM probe

associating a VM controller 2-11

bursting threshold 2-12

configuring 2-9

details, displaying 2-21

interval 2-10

load threshold 2-12

statistics, displaying 2-20

VMs

associating as real servers in a server farm 2-15

locality 2-5

overview 2-1

VMware vCenter Server 2-1

VPC 2-1

W

wait interval, configuring for probes 4-14, 4-15

wait period, configuring for probes 4-14

weight, setting for real servers 2-14, 2-67

weighted roundrobin. See roundrobin