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Black Box 24 port, 16 port manual Bootp messages output to screen, Disabling the Bootp reply, 236

Models: 24 port 16 port

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Parameter	Value	Brief Meaning	Fuller explanation

TFTP_RETRY	numeric; e.g. 5	number of tftp	TFTP configuration on
		attempts before	page 218
		aborting
TFTP_TMOUT	numeric; e.g. 3	period in seconds	TFTP configuration on
		before retrying a	page 218
		download/upload
EXTRA_TERM1	a filename and full	termcap files for
(or 2, or 3)	pathname - all	specific terminal types
	prefixed by a
	hostname/ip address

BOOTP messages output to screen

The unit will output BOOTP messages to your screen during bootup, provided you are connected to the unit via its Admin Port.

On bootup the unit will always send a BOOTP request to BOOTP servers, so you will see the message:

INIT: attempting BOOTP

If the unit does not receive a BOOTP reply you will see the message:

INIT: no bootphost/server found on this network

If you want the unit to boot from a BOOT server then this message means BOOTP is not working. Consult Appendix H Troubleshooting for help.

Disabling the BOOTP reply

You cannot disable BOOTP in the unit; however, you can stop the BOOTP host from sending a BOOTP reply to the unit. You stop the reply by placing a hash # character in the bootptab file entry as follows:

Black Box Console Server user guide

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Black Box 24 port, 16 port manual Bootp messages output to screen, Disabling the Bootp reply, 236

Contents

24 port Console Servers User Guide MAY LS50116 LS50116-AE LS50124 LS50124-AE Instrucciones DE Seguridad Black Box Console Server user guide Black Box Console Server user guide Purpose of this manual Who this manual is for Fast Contents Contents Introduction Installation Configuring Break Pass Through 110 115 144 Set ethernet interface AUI 204 236 Black Box Console Server user guide A p t e r 1 I n t r o d u c t i o n About the Console Server Black Box Console Server user guide Managing devices without accessing the LAN/WAN Management and diagnosticsTypical applications summary Managing devices over the LAN/WAN Console Server rear panel Console Server front and rear viewsConsole Server front view Black Box Console Server user guide A p t e r 2 Installation General installation procedure Rack mounting your Console Server Console Server Black Box Console Server user guide Desk mounting your Console Server Multiple stacking your Console Server Power and network LEDs LED guide Console Server During normal operations Black Box Console Server user guide Selecting AUI or 10/100 Base T interface 10/100Base-T Set up procedure Setting up an IP addressSetting up an IP address automatically using Dhcp Black Box Console Server user guide About Dhcp Dhcp request and response Black Box Console Server user guide Black Box Console Server user guide Manually setting up an IP address Set up procedure Black Box Console Server user guide Tip Are valid, should not need recourse to a Radius host Server form field descriptions Parameter Description Dhcp Gui access Accessing the Console Server configuration software Logging onto your Console Server Adding a Host Setting up your network parametersSetting up the host table Black Box Console Server user guide Changing a Host Deleting a host Factory default password is superuser Changing the Admin PasswordCli syntax set user password Radius configuration Black Box Console Server user guide Accept the form you will be returned to the menu Radius parameters description Radius host Accounting flag State of Radius Result Specified 0a000006 DNS configuration Cli syntax add DNS Delete DNS Wins configuration Add Wins Configuring network gateways Active and passive gateways Adding a gateway From the Network Configuration menu, select ‘Gateway’ Deleting a GatewayDelete Gateway Verifying your network installation Ping hostname Saving configuration changes Saving to non-volatile memory Saving to a file Setting date and time Performing a soft reboot Resetting to factory defaults using reset switch Restoring factory default settingsResetting to factory defaults using software Black Box Console Server user guide Black Box Console Server user guide A p t e r 3 S y s t e m a d m i n i s t r a t i o n Setting up the line on your Console Server Security Typical Reverse Telnet Configuratio n Viewing and editing your line settingsLines set to reverse Telnet by default Black Box Console Server user guide Lost password Deciding whether to use Slip or PPP Configuring a dial in lineIntroduction to Slip and PPP connections Setting up the line Show line Service option Option Description Service option Description Router use only Configuring Slip OptionDescription Interactive OptionDescription Show PPP Line Now select a line Configuring PPPPPP configuration procedure PPP form field descriptions Black Box Console Server user guide Black Box Console Server user guide Black Box Console Server user guide Be set ppp li 1 user kevinc8 Password IP address negotiation Black Box Console Server user guide Roaming Callback Black Box Console Server user guide Configuring a modem Cli syntaxAdd modem Set modem Configuring users Black Box Console Server user guide Overview When Radius authenticates usersAbout user accounts and Radius Black Box Console Server user guide Example Radius user file telnet service Adding a user account Configuring a user account Configuration procedureChoose your user from the list of names now displayed Values User form field descriptions 100 101 Particular line to ‘cslogin’ see Setting up the line onParticular port to ‘cslogin’ see Setting up the line on 102 103 Callback for a user 104 105 106 107 About user levelsCLI prompts 108 Changing a user’s passwordDeleting a user account Configuring Break Pass Through 109 Resetting the line to default 110 Saving your settings Saving settings to non-volatile memorySaving settings to a file 111 112 113 114 A p t e r 4 U s i n g y o u r C o n s o l e S e r v e r 115 Introduction 116 Accessing devices via Telnet from the LAN Access procedureInformation required 117 118 Accessing devices via SSHSSH Setup Procedure 119 Required Information 120 121 Accessing devices via modems using PPP 122 Accessing devices via modems using a dumb device 123 124 125 Server console serverThis appendix includes the following sections Pin locations RJ45 connectors RJ45 RS232 serial portsCircuit Direction Function 126 Pin numbering in the RJ45 connectors 127 128 Pin SignalAUI port 129 Pin Signal FunctionRJ45 10/100BaseT port Admin Port 130 131 Direct 11 ConnectionsExample direct connections Sun Microsystem servers 132 133 Cisco RJ45 console ports with software flow control Black Box 833ASBlack Box Series router console port 134 IBM RS6000 135 Connection from the 25-pin Admin Port to a PC PC serial portPC, example connections 136 137 138 Terminals slow speed or using software flow controlTerminals Connection from the 25-pin Admin Port to a Terminal 139 140 ModemsDirect connections P e n d i x B T h e C L I c o m m a n d s 141 CLI commands Add communityAdd DNS Inetaddress Menu Network Configuration DNS Add DNS Equivalent See also 143 144 Add gatewayAdd host 145 Where Host type Add modemAdd radius 146 Add trap Add userAdd Wins 147 Admin DebugDelete ARP Delete community Delete DNS Delete gatewayDelete host 149 Menu Network Configuration Host Table Equivalent See also Delete modemDelete radius 150 Delete trap Delete userDelete Wins 151 152 HeapSyntax heap Help Kill lineLogout 153 154 NetloadWhere Software When you reboot the unit. See reboot on 155 Netsave 156 157 158 PingPacketsize 159 Reboot Reset factoryReset line 160 Reset user RestartResume Menu None available Equivalent See also 162 Rlogin Menu Sessions Start telnet/rlogin Equivalent See alsoSave Also use this argument to log in as someone else Screen Set contactSet date 164 Set ethernet interface RJ45 Set ethernet interface AUISet gateway Syntax Set host Set lineNormal 166 Line service can be used to dedicate the line to a specific Enter their login name just their passwordNouser 167 168 Set location RoutingSet to None off, send, listen or send & listen 169 170 Set ppp lineParameter syntax Parameter name 171 Set radius 172 Unit afterwards use the command ‘reboot’ Set serverSubnet 173 174 Programme is controlled by password Or OFF. The default is OFFGui-status JETset Login prompt uses OEM1 string 176 Send Break Option 177 178 Menu equivalents See also BreakSshbreakstring 179 Set slip line 180 181 Syntax Command telnetSet telnet Set time Set userFor example set time 182 183 184 User levels admin, normal Syntax Menu equivalent See also Show ARPShow date 185 Admin, is normal Syntax Show gatewaysShow hardware Menu Main Menu Hardware Equivalent See also Show hosts Show interfacesNormal Syntax 187 Show line 188 189 190 Admin Normal Syntax Show modemsThis will show for example 191 192 Show ppp lineNormal line 193 Show radius Show routesMenu There is no menu equivalent Equivalent 194 195 196 Menu Server configuration Equivalent See alsoShow server Show slip line 197 198 Menu Network configuration snmp Equivalent See alsoShow snmp User levels admin, normal Show telnetShow time 199 Syntax Target login directory, you will be logged straight Where n is the predefined session that you want to startShow user Start Telnet Menu Sessions Start Predefined Session Equivalent See alsoSet telnet or show telnet can be saved permanently Inetaddress Termtype 202 VersionNormal Syntax version P e n d i x C S N M P 203 Overview 204 Configuring Snmp support AddCommunity Delete Community 206 Summary of objects in the private MIB 207 208 Private MIB definitions 209 210 211 212 213 Network managementEditing RFC1213 214 EditingRouting information P e n d i x D U p g r a d i n g y o u r f i r m w a r e 215 Using a Bootp server see Using Bootp from a boothost on 216 Saving your existing Configuration Example of saving a configuration fileUsing Tftp from a host Cli syntax netload software Tftp configuration 218 Writing to Flash memory 219 Using Bootp from a boothost 220 Upgrade using JETset, the web browser interface Enabling BOOTP/DHCP after upgrading softwareDisable BOOTP/DHCP 221 222 223 List of line service types 225 Line Service Description/UsesExample TypeSilent 226 P e n d i x F B O O T P 227 228 229 How Bootp worksBootp request and response 230 How to setup Bootp Bootptab file entryBootptab file entry for a single unit 231 232 233 234 BootfileBootfile Parameter Value Brief Meaning Fuller explanation 235 236 Bootp messages output to screenDisabling the Bootp reply # ht=1\ # ha=0080ba000057\ # gw=192.101.35.254\ 237 238 Booting multiple unitsBootptab file entry for multiple units 239 240 Multiple Bootp serversExample of Bootp Bootptab file 241 242 243 You need toServer JETset utility 244 Introduction to JETsetJETsethome To access JETset 245 Using JETset Using JETsetNetscape Navigator configuratio n 246 Internet Explorer configuratio n 247 248 JETset program summary 249 250 P e n d i x H Troubleshooting 251 General communication matters 252 Host problems 253 JETset problems 254 Login problems 255 You have lost or dont know your password as ‘admin’ user 256 Problems with terminals 257 258 Emergency recoveryProblems with framed Routing Index 259 260 261 262 Copyright 2001. Black Box Corporation. All rights reserved