Index

Symbols

/etc/bootparamsfile	65
/etc/defaultdomainfile	50, 74
/etc/defaultrouterfile
.....definition	50
.....setting static or dynamic routing	81
.....specifying a router for networkclient	74
/etc/ethersfile	66
/etc/gateways file	81, 123
/etc/hostnamefile
.....defining a network interface	49
.....in network configuration	73
.....use when configuring routers	79
/etc/inet/hostsfile	51
.....building	51
.....editing, for PPP	130, 163
.....editing, for virtual networks	169
.....for TCP/IP configuration	52 to 54
/etc/inet/netmasks file	54
.....adding a subnet mask	57
/etc/inet/networks file	67
.....for virtual networks	170
.....network number for PPP link	122
/etc/inet/protocolsfile	68
/etc/inet/services file	69
.....modifying, for UUCP	229
.....port numbers	69
/etc/inetd.conffile
.....adding entry for UUCP	228
/etc/nodenamefile	50, 73
/etc/nsswitch.conf file	61 to 64
/etc/passwdfile
.....enabling UUCP logins	225
.....modifying for PPP	134
/etc/uucp/Configfile	216
/etc/uucp/Devconfigfile	220
/etc/uucp/Devicesfile	190 to 198
/etc/uucp/Dialersfile	198 to 203
/etc/uucp/Gradesfile	217 to 220
/etc/uucp/Limitsfile	220
/etc/uucp/Permissionsfile	206 to 216, 230
/etc/uucp/Pollfile	216
/etc/uucp/Sysnamefile	206
/etc/uucp/Systemsfile	183 to 190
/usr/sbin/aspppd daemon	108
/usr/sbin/aspppls login service	109
/usr/sbin/inetddaemon	83
/var/adm/log/asppp.log file	110

A

addressing
.....designing an addressing scheme	27
.....issues for dynamic links	163
.....issues for subnets	56
.....issues for virtual networks	169
.....primary network interface, forPPP	120
.....range of network numbers	32
administrative subdivisions	35
ARP (Address Resolution Protocol)	15
asppp.cf configuration file	109, 172
Automatic Call Unit,see also modem	178, 191

B

boot process overview (network)	75
bootparams databaseseealso/etc/bootparams file	65
bootparams protocol	46

C

chat script, for UUCP and PPP	187
checklist, PPP pre-configuration	124
class A network number	29
class B network number	29
.....subnetting	55
class C network number	30
communications links
.....dynamic	103
.....illustration of basic	100
.....multipoint	105
.....point-to-point	99
Configfile, UUCP	216
configuration file, PPP
.....definition	109
.....dynamic link dial-in server	165
.....editing	135, 141
.....for nomadic workstation	136
.....ifconfig section	139
.....multipoint dial-in server	138
.....path section	137
......table of keywords	172
......virtual networks	170
configuration types, PPP
......checklist	124
......multipoint dial-in server	106, 130
......nomadic workstations	101, 130
......preparing	114
......two isolated workstations	101
......two networks	103
......two networks, preparing	116
......virtual networks	106
configuring the network
......networks
............topology	38 to 40
......preconfiguration tasks	44
......retrieving information	75
......setting up routers	78
......starting up TCP/IP services	83
......steps involved	2
......subnetting	54 to 57
configuring UUCP
......adding accounts to/etc/passwd	225
......for TCP/IP networks	228
......modifying database files	182
......starting up, throughcrontabfile	226
connecting networks	103, 116

D

data encapsulation in TCP/IP	20
Data Link layer
......frame	22
......functions	14
datagram	22
debugging
......and UUCP	231
default router	71
defaults keyword	173
designing the network
......creating addressing scheme	27
......naming hosts	33
......overview	25

.....planning IP addressing	31
.....selecting a domain name	35
.....subnetting	54
Devconfigfile, UUCP	220
device transmission protocols	197
Devicesfile, UUCP
.....dialer-token-pairs	194
.....format	190
.....protocol definitions	197
.....table of fields	192
.....updating, for PPP	133
dial-code abbreviations	203
Dialersfile, UUCP
.....escape characters	201
.....table of fields	199
.....updating, for PPP	133
dial-in communications
.....definition	100
.....dial-back security	210
.....dial-in server	106
.....enabling, through UUCP chatscript	189
.....scenario	111
dial-in server
.....configuring multipoint	138
.....definition	103
.....in UUCP communications	189
.....multipoint	106, 140
.....preparing, dynamic	117
.....preparing, multipoint	118
.....with dynamic link	103
dial-out communications
.....definition	100
.....preparing a nomadicworkstation	114
.....scenario	110
disk space required for PPP	123
DNS (Domain Name Service)	18
domain names	35
dynamic links
.....configuring	161
.....preparing	117
dynamic routing	81

E

echo checking	202
enterprise networks	9
error messages, UUCP
......table of ASSERT error messages	234
......table of STATUS error messages	236
......types of messages	233
escape characters, UUCP	188, 201
Ethernet
......network illustration	5
......network interface	6
Ethernet address	9
......inethersdatabase	66
ethers database,see also/etc/ethersfile	66

F

feature summary
......data link protocol	98
firewall gateway	82
flow control, hardware	189
format	67
frame	22
ftp (File Transfer Protocol)	17

G

Gradesfile, UUCP	217

H

hardware
......basic checks for networkhardware	146
......on a local area network	5
......UUCP configurations	178
......UUCP port selector	191
hardware address	9
host
......forcing host to become a router	81
......hardware address	9
......host configuration mode	45
......identifying, on a network	8

.....IP address	9
.....starting up	75
host configuration modes
.....illustration of	48
.....local files mode	44
.....mixed configurations	47
.....network client	46
host name
.....address bits for netmask	56
.....assigning	33
.....definition	8
.....using unique, for PPP	121
host part of IP address	28
hostconfig program	74
hosts database,see also/etc/inet/hostsfile	51

I

ICMP (Internet Control Message Protocol)
.....functions	15
.....pingcommand	87
ICMP router discovery protocol, seeRDISC	74, 78
ifconfig command
.....displaying interface status	88
.....troubleshooting PPP	146
.....troubleshooting TCP/IP	86
ifconfig section, PPP configurationfile	139
.....basic syntax	136
.....dynamic links	166
in.rarpd daemon	46
in.rdisc daemon,see also RDISC	74, 78
in.routed daemon,see alsoRIP	78
in.uucpddaemon	179
inactivity_timeout keyword	138, 173
information packet loss	87
installing PPP	128
interface keyword	137, 140, 173
Internet layer
.....data encapsulation	22
Internet protocol suite see also TCP/IP	11
InterNIC registration	36
IP address
......address space alloted to networks	31
......assigning to PPP endpoints	119
......correspondence to networkinterface	32
......for identifying a host	9
......maximizing with subnetting	54
......parts of	27 to 28
IP protocol
......datagrams	22
......functions	15
......interface information	86

L

Limitsfile, UUCP	220
link manager, PPP	108
local area network (LAN)
......media	5
local files as name service	34, 53
local files mode
......configuring	70
......machines that should run in	45
log file
......in.routedmalfunction log	93
......PPP	110
login service, PPP	109
logins, for UUCP	225
loopback address	52

M

modem
......automatic dialing	194, 196
......checking, for UUCP problems	231
......PPP requirements	123
......setting characteristics	189, 202
......transmission rates for UUCP	178
multiple network interfaces
......addressing for	79
......specifying, in/etc/inet/hosts	52

multiple routers on network	74
multipoint link
.....configuration file, dial-in server	138
.....configuration types	105
.....editing/etc/inet/hosts for dial-in server	131
.....preparing a virtual network	119
.....preparing dial-in server	118

N

name services
.....affect onhostsdatabase	53
.....comparison of files	61
.....illustration, affect onhostsdatabase	60
.....local files	53
.....name service databases	70
.....types available	33
.....using local files	34
netmask
.....applied to IP address	56
.....definition	55
.....netmask numbers	58
netmasks database, see also/etc/inet/netmasksfile	54
netstat command
.....checking PPP packet reception	147
.....checking routing tables	147
.....syntax	89
.....troubleshooting TCP/IP	86
network administrator responsibilities	1 to 3
network boot process overview	75
network classes	28 to 30
network client mode
.....configuring	73
.....definition	46
network configuration server
.....definition	46
.....setting up	72
network databases
.....bootparams	65
.....corresponding name service files	61
......definition	34
......ethers	66
......hosts	51
......netmasks	54 to 59
......networks	67
......protocols	68
......services	69
......specifying, with/etc/nsswitch.conf	61
......use with name services	59
network design
......overview	2
network interfaces
......and LAN media	6
......configuring on a router	79
......considerations for PPP	120
......IP addressing for	32
......primary	6
......status display	91
......virtual, for PPP	99
network number
......allocating subnet numbers	55
......class B	29
......class C	30
......for PPP links	122
......range available	32
network part of IP address	28
network status display	89
networks
......configuring	70 to 75
......definition	3
......host	8
......increasing number of	55
......joining, with PPP	103
......local area	5
......packet	7
......registering with InterNIC	36
......topology	38 to 40
......virtual	106
......wide area	9
......with multiple routers	74
networks database,see also/etc/inet/networks file	67
NIS+	18

node name, UUCP	206 changing node name, 209
nomadic workstations
.....configuration file	136
.....definition	101
.....editing/etc/inet/hosts	131

O

OSI reference model	12 to 13

P

packet
.....checking packet flow withsnoop	149
.....determining number sent perroute	93
.....parts of	7
.....transfer log	93
.....transfer through TCP/IP stack	19
.....transfer, by routers	40
.....UDP	21
path section, PPP configuration file
.....for nomadic workstation	137
.....multipoint server	140
path, in PPP configuration	109
peer_ip_address keyword	141, 173
peer_system_name keyword	138, 140, 173
Permissionsfile, UUCP
.....changing node name	209
.....dial-back permissions	210
.....format of entries	207
.....in configuring UUCP	230
.....security issues	207
.....setting up permissions	206
.....specifying read and writepermissions	209
permissions for PPP, checking	149
Physical Network layer	14, 22
ping command
.....for verifying connectivity	142
.....round trip testing for PPP	147
.....syntax	86
point-to-point links
......configuration types	101
......definition	99
......preparing	114 to 117
Point-to-Point Protocol, standard	98
polling remote computers	216
port numbers	69
port selector, for UUCP	191
PPP
......addressing issues	119
......component software	107
......configuration process	127
......point-to-point configurations	101
......routing issues	122
......specifications	98
......starting	142
......stopping	143
......virtual network interfaces	99
PPP software
......and UUCP databases	110
......configuration file	109
......diagnostics	150 to 159
......fifo file	110
......link manager	108
......login service	109
primary network interface
......and host name	8
......definition	6
......in PPP addressing	120
problem solving
......hardware checks	146
......software checks	86
protocol statistics display	86, 89
protocol suite
......layers	12
......OSI	12
......TCP/IP	4, 13
protocols database,see also/etc/inet/protocolsfile	68

R

RARP server	46
.....configuring	72
RDISC (ICMP Router Discovery Protocol)
.....in.rdisc daemon	78
.....turning off RDISC	83
redundant routing	39
registering the network	36
remote.unknownfile	221
RIP (Routing Information Protocol)
.....in.routed daemon	78
.....turning off	83
.....turning off for PPP	123
router
.....configuring	77
.....definition	38, 77
.....forcing a host to route	80
.....forcing to become a host	82
.....IP addresses for interfaces	79
.....turning off RDISC	83
.....turning off RIP	83
routing
.....basic routing example	39
.....protocol selection on hosts	81
.....protocols	78
.....setting up dynamic	81
.....setting up static	81
routing table
.....active uses per route, number of	93
.....checking PPP routes	147
.....definition	40
.....displaying	86
.....space saving mode	82
.....status display	92

S

serial port
.....PPP requirements	123
.....support for PPP	98
.....use with modems	6
services database,see also/etc/inet/services	69
setting parity	190, 203
snoop command	93, 149
starting PPP	142
static routing	81
statistics
......network interface, fromifconfig	88
......packet transmission, fromping	88
......per-protocol, fromnetstat	90
......PPP interface	146
......routing table	92
stopping PPP	143
subnetting
......changing to a subnetted network	58
......creating the netmask	56
......creating the network mask	55 to 57
......in IP address	28
......subnet address	56
symbolic names for network numbers	58
Sysnamefile	206
Systemsfile, UUCP
......chat script	187 to 189
......escape characters	188
......modifying, for TCP/IP	228
......syntax	183
......table of fields	183
......troubleshooting	231
......updating, for PPP	134

T

TCP (Transmission Control Protocol)
......functions	16
......segmentation	21
TCP/IP
......and the Internet	11
......Application layer	16 to 18
......configuration files	49 to 58
......data encapsulation	20 to 23
......Data Link layer	14
......definition	4
......host name	8
......Internet layer	15
......Physical Network layer	14

.....protocol suite	13 to 18
.....Transport layer	16
telnet	17
TFTP (Trivial File Transfer Protocol)	17, 46
transferring files	17
transmission formatting	15
Transport layer	16
.....data encapsulation	20
troubleshooting PPP
.....checking connectivity	147
.....checking interface status withifconfig	146
.....checking packet flow withsnoop	149
.....checking packet reception	147
.....checking PPP routing	147
.....diagnostics	150 to 159
.....hardware checks	146
.....permissions	149
troubleshooting TCP/IP
.....diagnosing software problems	86
.....dropping packets	87
.....IP connected to host check	86
.....using third party utilities	86
troubleshooting UUCP
.....commands for troubleshooting	233
.....debugging transmissions	232
.....error messages	233 to 237
.....faulty modems	231
.....verifying Systemsfile entries	231

U

UDP protocol
.....functions	16
.....packets	21
uucicodaemon	178
UUCP
.....changing the node name	206
.....configuring, on TCP/IPnetworks	228
.....defining job grades	217
.....definition	177
......device protocols	197
......direct links	178, 195
......forwading through	216
......hardware configurations	178
......hardware flow control	189, 202
......LAN	195
......mail	230
......maintenance	230
......modem rates	178
......parity setting	203
......security issues	206
......telephone lines as media for	178
......transmission protocols	197
UUCP database files
......Config	216
......Devconfig	220
......Devices	190
......Dialers	199
......Grades	217
......Limits	220
......Permissions	206
......Poll	216
......Sysname	206
......Systems	183
UUCP database files and PPP	110, 132 to 134
......updating/etc/uucp/Devicesfile	133
......updating/etc/uucp/Dialersfile	133
......updating/etc/uucp/Systemsfile	134
UUCP debugging	231
......error messages	233
UUCP software
......administrative files	221 to 223
......administrative programs	179
......daemons	178
......database files, overview	181
......remote.unknown file	221
......startup shell scripts	226 to 228
uucppublicdirectory, UUCP	231

V

virtual networks
.....configuring	168
.....definition	106
.....preparing	119

W

wide area networks
.....Internet	10
.....types	9
.....Usenet	177