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