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Dell Networking 7048 CLI Reference Guide - Page 119

DHCP Server and Relay Agent (IPv4), dns-server IP DHCP Pool

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DHCP Server and Relay Agent (IPv4) Command ip dhcp pool bootfile clear ip dhcp binding clear ip dhcp conflict client-identifier client-name default-router dns-server (IP DHCP Pool Config) domain-name (IP DHCP Pool Config) hardware-address host ip dhcp bootp automatic ip dhcp conflict logging ip dhcp excluded-address ip dhcp ping packets lease Description Modea Defines a DHCP address pool that can be used GC to supply addressing information to DHCP client. This command puts the user into DHCP Pool Configuration mode. Sets the name of the image for the DHCP DP client to load. Removes automatic DHCP server bindings. PE Removes DHCP server address conflicts. PE Identifies a a Microsoft® DHCP client to be DP manually assigned an address. Specifies the host name of a DHCP client. DP Sets the IPv4 address of one or more routers for DP the DHCP client to use. Sets the IPv4 DNS server address which is DP provided to a DHCP client by the DHCP server. Sets the DNS domain name which is provided DP to a DHCP client by the DHCP server. Specifies the MAC address of a client to be DP manually assigned an address. Specifies a manual binding for a DHCP client DP host. Enables automatic BOOTP address GC assignments. Enables DHCP address conflict detection. GC Excludes one or more DHCP addresses from GC automatic assignment. Configures the number of pings sent to detect if GC an address is in use prior to assigning an address from the DHCP pool. Sets the period for which a dynamically DP assigned DHCP address is valid. Command Groups 119

Section	Page
Command Groups	77
Introduction	77
Command Groups	77
Mode Types	81
Layer 2 Commands	83
AAA	83
Administrative Profiles	84
ACL	84
Address Table	85
Auto-VoIP	87
CDP Interoperability	87
DHCP L2 Relay	88
DHCP Management Interface	88
DHCP Snooping	88
Dynamic ARP Inspection	90
E-mail Alerting	91
Ethernet Configuration	92
Ethernet CFM	93
Green Ethernet	94
GVRP	95
IGMP Snooping	96
IGMP Snooping Querier	96
IP Addressing	97
IPv6 ACL	98
IPv6 MLD Snooping	99
IPv6 MLD Snooping Querier	99
IP Source Guard	100
iSCSI Optimization	100
Link Dependency	101
LLDP	102
Multicast VLAN Registration	103
Port Channel	104
Port Monitor	104
QoS	105
Radius	109
Spanning Tree	111
TACACS+	112
VLAN	113
Voice VLAN	115
802.1x	116
Layer 3 Commands	118
ARP (IPv4)	118
DHCP Server and Relay Agent (IPv4)	119
DHCPv6	120
DVMRP	121
GMRP	122
IGMP	122
IGMP Proxy	123
IP Helper/DHCP Relay	124
IP Routing	125
IPv6 Routing	126
Loopback Interface	129
Multicast	130
IPv6 Multicast	132
OSPF	133
OSPFv3	137
Router Discovery Protocol	141
Routing Information Protocol	142
Tunnel Interface	143
Virtual Router Redundancy	143
Utility Commands	145
Auto-Install	145
Captive Portal	146
CLI Macro	148
Clock	148
Command Line Configuration Scripting	149
Denial of Service	151
Line	151
Management ACL	152
Mode	152
Password Management	153
PHY Diagnostics	154
Power Over Ethernet (PoE)	154
RMON	155
SDM Templates	156
Serviceability Tracing	156
sFlow	158
SNMP	159
SSH	160
Syslog	161
System Management	162
Telnet Server	164
Terminal Length	165
Time Ranges	165
USB Flash Drive	165
User Interface	165
Web Server	166
Using the CLI	169
Introduction	169
Entering and Editing CLI Commands	169
History Buffer	170
Negating Commands	171
Show Command	171
Command Completion	172
Short Form Commands	172
Keyboard Shortcuts	172
Parameters	173
Operating on Multiple Objects (Range)	174
Command Scripting	175
CLI Command Notation Conventions	175
Interface Naming Conventions	176
Examples	178
CLI Command Modes	180
User EXEC Mode	181
Privileged EXEC Mode	181
Global Configuration Mode	182
Preconfiguration	182
Interface and Other Specific Configuration Modes	182
Identifying the Switch and Command Mode from the System Prompt	184
Navigating CLI Command Modes	185
Starting the CLI	193
Easy Setup Wizard	193
Using CLI Functions and Tools	201
Configuration Management	201
Management Interface Security	203
Management ACL	206
Other CLI Tools and Capabilities	207
Layer 2 Switching Commands	243
AAA Commands	245
TACACS+ Accounting	246
Accounting Method Lists	247
Access Line Modes	247
Commands in this Chapter	247
aaa authentication dot1x default	248
Syntax	248
Parameter Description	248
Default Configuration	248
Command Mode	248
User Guidelines	249
Example	249
aaa authentication enable	249
Syntax	249
Default Configuration	250
Command Mode	250
User Guidelines	250
Example	251
aaa authentication login	251
Syntax	251
Default Configuration	251
Command Mode	252
User Guidelines	252
Example	252
aaa authorization	252
Syntax	253
Parameter Description	253
Default Configuration	253
Command Mode	254
User Guidelines	254
aaa authorization network default radius	255
Syntax	255
Default Configuration	255
Command Mode	255
User Guidelines	255
Example	255
aaa ias-user username	255
Syntax	256
Parameter Description	256
Default Configuration	256
Command Mode	256
User Guidelines	256
Examples	256
aaa new-model	256
Syntax	256
Parameter Description	256
Default Configuration	257
Command Mode	257
User Guidelines	257
Example	257
clear (IAS)	257
Syntax	257
Parameter Description	257
Default Configuration	257
Command Mode	257
User Guidelines	257
Example	258
authorization	258
Syntax	258
Parameter Description	258
Default Configuration	258
Command Mode	258
User Guidelines	259
Examples	259
enable authentication	259
Syntax	259
Default Configuration	259
Command Mode	260
User Guidelines	260
Example	260
enable password	260
Syntax	260
Default Configuration	260
Command Mode	260
User Guidelines	261
Example	261
ip http authentication	261
Syntax	261
Default Configuration	262
Command Mode	262
User Guidelines	262
Example	262
ip https authentication	262
Syntax	262
Parameter Description	262
Default Configuration	263
Command Mode	263
User Guidelines	263
Example	263
login authentication	263
Syntax	263
Default Configuration	264
Command Mode	264
User Guidelines	264
Example	264
password (aaa IAS User Configuration)	264
Syntax	264
Parameter Description	264
Default Configuration	265
Command Mode	265
User Guidelines	265
Example	265
password (Line Configuration)	265
Syntax	265
Default Configuration	266
Command Mode	266
User Guidelines	266
Example	266
password (User EXEC)	266
Syntax	266
Parameter Description	266
Default Configuration	267
Command Mode	267
User Guidelines	267
Example	267
show aaa ias-users	267
Syntax	267
Parameter Description	267
Default Behavior	267
Command Mode	268
User Guidelines	268
Example	268
show aaa statistics	268
Syntax	268
Default Configuration	268
Command Mode	269
User Guidelines	269
Examples	269
show authentication methods	269
Syntax	269
Default Configuration	269
Command Mode	269
User Guidelines	269
Example	270
show authorization methods	270
Syntax	271
Default Configuration	271
Command Mode	271
User Guidelines	271
Example	271
show users accounts	272
Syntax	272
Parameter Description	272
Default Configuration	272
Command Mode	272
User Guidelines	272
Example	272
show users login-history	273
Syntax	273
Default Configuration	273
Command Mode	273
User Guidelines	273
Example	274
username	274
Syntax	274
Parameter Description	274
Default Configuration	275
Command Mode	275
User Guidelines	275
Example	276
username unlock	277
Syntax	277
Parameter Description	277
Default Configuration	277
Command Mode	277
User Guidelines	277
Administrative Profiles Commands	279
Overview	279
RADIUS and TACACS+	280
Commands in this Chapter	280
admin-profile	281
Syntax	281
Parameter Description	281
Default Configuration	281
Command Mode	281
User Guidelines	281
Example	281
description (Administrative Profile Config)	282
Syntax	282
Parameter Description	282
Default Configuration	282
Command Mode	282
User Guidelines	282
Example	282
rule	283
Syntax	283
Parameter Description	283
Default Configuration	283
Command Mode	283
User Guidelines	283
Example	283
show admin-profiles	284
Syntax	284
Parameter Description	284
Default Configuration	284
Command Mode	284
User Guidelines	284
Example	285
show admin-profiles brief	285
Syntax	285
Parameter Description	285
Default Configuration	285
Command Mode	285
User Guidelines	285
Example	286
show cli modes	286
Syntax	286
Default Configuration	286
Command Mode	286
User Guidelines	286
Example	286
ACL Commands	289
ACL Logging	289
How to Build ACLs	290
Commands in this Chapter	292
access-list	292
Parameter Description	293
Default Configuration	293
Command Mode	294
User Guidelines	294
Examples	294
deny \| permit (IP ACL)	294
Syntax	294
Parameter Description	295
Default Configuration	295
Command Mode	295
User Guidelines	295
deny \| permit (Mac-Access-List-Configuration)	296
Syntax	296
Parameter Description	297
Default Configuration	298
Command Mode	298
User Guidelines	298
Example	298
ip access-group	298
Syntax	298
Default Configuration	299
Command Mode	299
User Guidelines	299
Examples	299
mac access-group	299
Syntax	299
Default Configuration	300
Command Mode	300
User Guidelines	300
Example	300
mac access-list extended	300
Syntax	300
Default Configuration	301
Command Mode	301
User Guidelines	301
Example	301
mac access-list extended rename	301
Syntax	301
Default Configuration	301
Command Mode	302
User Guidelines	302
Example	302
service-acl input	302
Syntax	302
Parameter Description	302
Default Configuration	303
Command Mode	303
User Guidelines	303
show service-acl interface	303
Syntax	303
Parameter Description	303
Default Configuration	303
Command Mode	303
User Guidelines	303
Example	304
show ip access-lists	304
Syntax	304
Parameter Description	304
Examples	305
show mac access-list	305
Syntax	305
Parameter Description	305
Default Configuration	305
Command Mode	305
User Guidelines	305
Example	306
Address Table Commands	307
Commands in this Chapter	308
clear mac address-table	308
Syntax	308
Parameter Description	308
Default Configuration	309
Command Mode	309
User Guidelines	309
Example	309
mac address-table aging-time	309
Syntax	309
Parameter Description	309
Default Configuration	309
Command Mode	310
User Guidelines	310
Example	310
mac address-table multicast forbidden address	310
Syntax	310
Parameter Description	310
Default Configuration	311
Command Mode	311
User Guidelines	311
Examples	311
mac address-table static vlan	311
Syntax	311
Syntax Description	312
Default Configuration	312
Command Mode	312
User Guidelines	312
Example	312
port security	312
Syntax	313
Default Configuration	313
Command Mode	313
User Guidelines	313
Example	313
port security max	313
Syntax	313
Default Configuration	314
Command Mode	314
User Guidelines	314
Example	314
show mac address-table multicast	314
Syntax	314
Default Configuration	314
Command Mode	315
User Guidelines	315
Example	315
show mac address-table	315
Syntax	315
Parameter Description	316
Default Configuration	316
Command Mode	316
User Guidelines	316
Example	316
show mac address-table address	317
Syntax	317
Parameter Description	317
Default Configuration	317
Command Mode	317
User Guidelines	317
Example	317
show mac address-table count	318
Syntax	318
Parameter Description	318
Default Configuration	318
Command Mode	318
User Guidelines	318
Example	318
show mac address-table dynamic	319
Syntax	319
Parameter Description	319
Default Configuration	319
Command Mode	319
User Guidelines	319
Example	319
show mac address-table interface	320
Syntax	320
Parameter Description	320
Default Configuration	320
Command Mode	320
User Guidelines	320
Example	321
show mac address-table static	321
Syntax	321
Parameter Description	321
Default Configuration	322
Command Mode	322
User Guidelines	322
Example	322
show mac address-table vlan	322
Syntax	322
Parameter Description	322
Default Configuration	323
Command Mode	323
User Guidelines	323
Example	323
show ports security	323
Syntax	324
Default Configuration	324