Cisco LocalDirector Configuration and Command Reference Guide (Software Version 4.2.1)
Index

Table Of Contents

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

index

A

accelerated server load balancing (ASLB)

overview 1-10

packet flow 3-34

sample ASLB configuration 3-34

used with Catalyst 6000 family switch 1-10

access modes 5-3

Address Resolution Protocol (ARP)

arp command 5-12, C-5

agent

boomerang content routing 3-38

alias ip address command 5-11

arp command 5-12, C-5

assign command 5-14

autounfail command 1-7, 5-16

B

backup

configurations 3-30

backup command 5-17

bind command 5-19

bind-id

definition 1-3

boomerang content routing

configuring LocalDirector as an agent 3-38

boomerang content routing agent 3-37

boot config command 5-21

boot diskette

creating B-3

boot image command 5-23

boot loader configuration commands C-4

bridge

LocalDirector between Internet and servers (figure) 1-2, 2-1

bridge command 5-25

bridge loop 2-2

buddy command 5-26

buddy virtuals 1-10, 3-13

C

Catalyst 6000 family switch

and accelerated server load balancing 1-10

channel command 5-28

clear command 5-31

clear configuration command 5-32

clear counters command 5-38

clear dns-boomerang counters command 5-40

clear probehttp command 5-102

client-assigned load balancing 1-6, 3-20

client content load balancing

configuring a virtual server 3-24

clock command C-6

clock set command 5-41, C-6

color command 5-42

command-line

completion 5-2

editing 5-1

commands

access mode 5-3

and corresponding features 5-4

boot loader C-4

default values that can be changed 5-48

unrecognized 5-4

configuration

backup 3-30

default settings 3-4

Fast EtherChannel 2-6

fault-tolerant 2-5

UDP traffic 3-31

with data command 3-31

configuration access mode

definition 5-3

configuration command 5-43

configuration examples

backup configurations 3-30

buddy virtual setup 3-13

client-assigned load balancing 3-20

configuring UDP traffic 3-31

cookie-sticky setup 3-16

default configuration settings 3-4

maximum connections and weighted configuration 3-28

multiple virtual servers and multiple real servers 3-9

multiple virtual servers and one real server 3-8

one virtual server and multiple real servers 3-5

port-bound servers 3-26

requesting same server for multiple connections (sticky command) 3-13

secure services 3-24

configuring

LocalDirector content routing agent 3-38

virtual server with client content load balancing 3-24

content load balancing 3-23

content routing 3-37

content-rule command 5-44

conventions

document viii

cookie-sticky

setup 3-16

sticky command 5-150

customer service and supportixto xi

D

data command

configuring with 3-31

syntax 5-46

default command 5-48

default configuration settings 3-4

delay command 5-50

directed mode 1-2

direct-ip command 5-51

disable command 5-53

dispatched mode 1-2

dns-boomerang client command 5-54

dns-boomerang enable command 5-56

document conventions viii

downloading software

from Cisco.com B-1

dynamic-feedback-agent command 5-59

dynamic-feedback-agent-ip command 5-60

dynamic-feedback command 5-57

dynamic-feedback-pw command 5-61

E

enable command 5-63

enable password command 5-64

examples of configurations3-3to 3-34

F

failed server

testing mode 1-8

failover

command summary 4-3

definition 1-3

frequently asked questions 4-8

interface tests 4-5

overview 4-1

setup 4-2

show failover command output 4-7

stateful implementation 4-3

syslog messages 4-6

failover alias ip address command 5-67

failover command 5-65

failover hellotime command 5-68

failover ip address command 5-69

failover reset command 5-71

fastest predictor 5-96

Fast EtherChannel

configuring 2-6

fault-tolerant configuration (figure) 2-5

Forwarding Agent

definition 1-3

full-duplex communications 5-76, C-8

H

half-duplex communications 5-76, C-8

hardware platforms 1-10

help command 5-72, C-7

hostname command 5-73

HTTP

configuring 3-36

probe support

configuring 3-35

HTTP redirection 3-17

configuring 3-18

restrictions 3-19

Hypertext Transfer Protocol

See HTTP

I

in-service command 5-74

interface command C-8

interface ethernet command 5-76, C-8

ip address command 5-78, C-10

IP precedence 1-9

ip route command C-11

K

kill command 5-79

L

leastconns predictor 5-97

load balancing

across server clusters 3-12

client-assigned 1-6, 3-20

fastest keyword 5-96

leastconns keyword 5-97

loaded keyword 5-97

roundrobin keyword 5-97

weighted keyword 5-97

LocalDirector

416 hardware components 1-11

417

hardware components 1-10

recovering LocalDirector 417 image C-1

430 hardware components 1-11

bridge between Internet and servers (figure) 2-1

Fast EtherChannel implementation (figure) 2-7

features 1-3

security 1-5, 3-24

terminology 1-3

upgrading softwareB-1to B-7

with a router (figure) 2-3

with hubs and switches (figure) 2-2

with multiple server farms (figure) 2-3

with router and two server clusters (figure) 2-4

M

maxconns command 3-28, 5-81

maximum connections

and weighted configuration 3-28

mtu command 5-83, C-12

multiple connections

on same server 3-13

multiring command 5-84

N

name command 5-85

names command 5-87

network implementations

fault-tolerant configuration (figure) 2-5

Illegal LocalDirector bridge loop (figure) 2-6

LocalDirector bridge between Internet and servers (figure) 2-1

LocalDirector Fast EtherChannel (figure) 2-7

LocalDirector with a router (figure) 2-3

LocalDirector with a router and two server clusters (figure) 2-4

LocalDirector with hubs or switches (figure) 2-2

LocalDirector with multiple server farms (figure) 2-3

no arp command C-5

no autounfail command 5-16

no backup command 5-17

no bind command 5-19

no boot config command 5-21

no pager command C-13, C-14

O

out-of-service command 5-88

P

pager command 5-91, C-13

pager lines command 5-92, C-14

password command 5-93

ping-allow command 5-95

ping command 5-94, C-15

port-bound servers 1-6, 3-26

predictor

command 5-96

definition 1-3

slowstart algorithm 1-8

privileged access mode

definition 5-3

probe command 5-99

probeconfig command 5-100

probedns nodename command 5-101

probehttp command 5-102

R

real command 5-104

show real command output field descriptions 5-105

real server

and multiple virtual servers 3-8

definition 1-3, 1-6

multiple and multiple virtual servers 3-9

multiple and one virtual server 3-5

out of service 5-89

reassign command 1-7, 5-106

recovering software image C-2

redirection command 5-108

remove a redirection configuration 5-109

reload command 5-110, C-16

replicate command 5-111

reset (RST) packet 1-6, 1-7

restart command 5-112

retry command 1-7, 1-8, 5-113

rip passive command 5-115

rip version command 5-116

roundrobin predictor 5-97

route command 5-117, C-11

Routing Information Protocol (RIP) 5-115, 5-116

S

SecureBind 1-6

secure command 5-118

secure services 3-24

Secure Socket Layer (SSL)

configuration example 3-14

sticky command option 5-150

servers

failure adjustments 1-7

failure recovery 1-8

port-bound 1-6, 3-26

same one for multiple connections 3-13

service and supportixto xi

service command 5-119

Service Manager

definition 1-3

show blocks command 5-124

show command 5-121, C-17

show connections command 5-125

show dns-boomerang client command 5-126

show dns-boomerang counters command 5-127

show dns-boomerang enable command 5-129

show failover command 5-130

output 4-7

show hardware command 5-132

show probe command 5-133

show probeconfig command 5-135

show probehttp command 5-136

show rule command 5-137

show sntp command 5-138

show syn command 5-139

shutdown command 5-140

Simple Network Time Protocol

See SNTP

slowstart

disabled 5-96

overview 1-8

roundrobin 5-96

snmp-server command 5-141

SNTP

configuring LocalDirector 3-37

modes 3-36

sntp broadcast client command 5-144

sntp poll command 5-145

sntp server command 5-146

software

recovering C-2

upgradingB-1to B-7

static command 5-148

sticky command 3-13, 5-150

synguard command 5-154

syslog command 5-155

syslog messages

configuring LocalDirector 5-156

Critical Messages A-6

Emergency Messages A-8

Error Messages A-6

Notice Messages A-4

T

TCP RST 1-6, 1-7

technical assistance x

telnet command 5-159

tftp-image command C-18

tftp-server command 5-161

threshold command 1-7, 5-163

timeout command 1-8, 5-165

troubleshootingA-1to A-8

U

unprivileged access mode

definition 5-3

unrecognized commands 5-4

upgrading software

from TFTP server B-7

url command 5-167

user datagram protocol (UDP)

traffic configuration 3-31

traffic support 1-9

V

virtual command 5-168

virtual server

and multiple real servers 3-5

definition 1-3, 1-6

multiple and multiple real servers 3-9

multiple and one real server 3-8

out of service 5-89

W

weight command 5-171

weighted predictor 5-97

who command 5-173

wildcard searches 5-3

write command 5-174

write net command 5-175