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Dell S5000 FTOS 9.0(1.3) Command Line Reference Guide for the Switch - Page 418

debug ip dhcp server, default-router, address

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Usage Information Entering after the clear ip dhcp binding command clears all the IPs from the binding table. debug ip dhcp server Display FTOS debugging messages for DHCP. S5000 Syntax Parameters debug ip dhcp server [events | packets] events packet Enter the keyword events to display the DHCP state changes. Enter the keyword packet to display packet transmission/reception. Defaults Command Modes Command History none EXEC Privilege Version 9.0(1.3) Introduced on the S5000. default-router Assign a default gateway to clients based on the address pool. S5000 Syntax Parameters default-router address [address2...address8] address Enter a list of routers that may be the default gateway for clients on the subnet. You may specify up to eight routers. List them in order of preference. Defaults Command Modes Command History none DHCP Version 9.0(1.3) Introduced on the S5000. 418

Section	Page
FTOS Command Line Reference Guide for the S5000 Switch FTOS 9.0(1.3)	3
About this Guide	45
Objectives	45
Audience	45
Conventions	45
Information Icons	46
CLI Basics	47
Accessing the Command Line	47
Multiple Configuration Users	47
Navigating the CLI	48
Obtaining Help	48
Using the Keyword no Command	50
Filtering show Commands	50
Command Modes	51
Determining Chassis Mode	57
File Management	59
cd	59
copy	59
copy running-config startup-config	61
delete	61
dir	62
format flash	62
format usbflash	63
logging coredump	64
logging coredump server	64
pwd	65
rename	65
show file	66
show file-systems	67
show os-version	68
show running-config	70
show stack-unit	74
show startup-config	74
show version	75
upgrade boot (standalone unit)	76
upgrade system (standalone unit)	79
Control and Monitoring	81
asf-mode	81
banner exec	82
banner login	83
banner motd	84
cam-audit stack-unit	84
clear alarms	85
clear command history	85
clear line	86
configure	86
debug cpu-traffic-stats	87
debug ftpserver	87
disable	88
do	88
enable	89
enable optic-info-update interval	89
end	90
exec-banner	91
exec-timeout	91
exit	92
ftp-server enable	92
ftp-server topdir	93
ftp-server username	94
hostname	94
ip ftp password	95
ip ftp source-interface	95
ip ftp username	96
ip telnet server enable	97
ip telnet source-interface	97
ip tftp source-interface	98
line	99
motd-banner	99
ping	100
reload	102
send	103
service timestamps	103
show alarms	104
show command-history	105
show command-tree	105
show cpu-traffic-stats	108
show debugging	109
show environment	110
show inventory	111
show processes cpu	113
show processes ipc flow-control	116
show memory	118
show processes memory	118
show software ifm	122
show system	124
show tech-support	128
telnet	132
terminal length	133
traceroute	133
undebug all	135
write	136
802.1ag	137
ccm disable	137
ccm transmit-interval	137
clear ethernet cfm traceroute-cache	138
database hold-time	138
disable	138
domain	139
ethernet cfm	139
ethernet cfm mep	139
ethernet cfm mip	140
mep cross-check	141
mep cross-check enable	141
mep cross-check start-delay	141
ping ethernet	142
service	143
show ethernet cfm domain	143
show ethernet cfm maintenance-points local	144
show ethernet cfm maintenance-points remote	144
show ethernet cfm mipbd	145
show ethernet cfm port-statistics	145
show ethernet cfm statistics	146
show ethernet cfm traceroute-cache	147
traceroute cache hold-time	148
traceroute cache size	148
traceroute ethernet	148
802.1X	151
debug dot1x	152
dot1x auth-fail-vlan	152
dot1x auth-server	153
dot1x auth-type mab-only	153
dot1x authentication (Configuration)	154
dot1x authentication (Interface)	154
dot1x guest-vlan	155
dot1x host-mode	156
dot1x mac-auth-bypass	156
dot1x max-eap-req	157
dot1x max-supplicants	157
dot1x port-control	158
dot1x quiet-period	158
dot1x reauthentication	159
dot1x reauth-max	159
dot1x server-timeout	160
dot1x supplicant-timeout	160
dot1x tx-period	161
show dot1x cos-mapping interface	161
show dot1x interface	163
Boot User Mode	165
boot change	165
boot messages disable	165
boot messages enable	166
boot show net config retries	166
boot write net config retries	167
boot zero	167
default gateway	167
enable	168
help	168
ignore enable password	169
ignore startup config	170
interface management ethernet ip address	170
interface management port config	170
no default-gateway	171
no interface management ethernet ip address	171
reload	172
show boot blc	172
show boot selection	172
show bootflash	173
show bootvar	173
show default-gateway	174
show interface management ethernet	174
show interface management port config	175
Access Control Lists (ACL)	177
Commands Common to all ACL Types	177
description	177
remark	178
show config	179
Common IP ACL Commands	179
access-class	180
clear counters ip access-group	180
ip access-group	180
show ip access-lists	181
show ip accounting access-list	182
Standard IP ACL Commands	183
deny	183
ip access-list standard	185
permit	185
resequence access-list	187
resequence prefix-list ipv4	188
seq	188
Extended IP ACL Commands	190
deny	190
deny tcp	192
deny udp	194
ip access-list extended	197
permit	197
permit tcp	199
permit udp	202
resequence access-list	204
resequence prefix-list ipv4	205
seq	206
Common MAC Access List Commands	208
clear counters mac access-group	208
mac access-group	209
show mac access-lists	209
show mac accounting access-list	210
Standard MAC ACL Commands	211
deny	211
mac access-list standard	212
permit	213
seq	214
Extended MAC ACL Commands	215
deny	216
mac access-list extended	217
permit	218
seq	220
IP Prefix List Commands	221
clear ip prefix-list	221
deny	222
ip prefix-list	222
permit	223
seq	224
show config	225
show ip prefix-list detail	225
show ip prefix-list summary	226
Route Map Commands	226
continue	227
description	228
match as-path	228
match community	229
match interface	229
match ip address	230
match ip next-hop	231
match ip route-source	231
match metric	232
match route-type	232
match tag	233
route-map	234
set as-path	235
set automatic-tag	235
set comm-list delete	236
set community	236
set level	237
set local-preference	238
set metric	239
set metric-type	239
set next-hop	240
set origin	241
set tag	241
set weight	242
show config	242
show route-map	243
AS-Path Commands	243
ip as-path access-list	243
show ip as-path-access-lists	244
IP Community List Commands	244
ip community-list	245
show ip community-lists	245
Bidirectional Forwarding Detection (BFD)	247
bfd all-neighbors	247
bfd enable (Configuration)	248
bfd enable (Interface)	249
bfd protocol-liveness	249
neighbor bfd	249
neighbor bfd disable	250
show bfd neighbors	251
Border Gateway Protocol IPv4 (BGPv4)	253
BGPv4 Commands	253
address-family	253
aggregate-address	254
bgp add-path	255
bgp always-compare-med	256
bgp asnotation	256
bgp bestpath as-path ignore	257
bgp bestpath as-path multipath-relax	257
bgp bestpath med confed	258
bgp bestpath med missing-as-best	258
bgp bestpath router-id ignore	259
bgp client-to-client reflection	259
bgp cluster-id	260
bgp confederation identifier	261
bgp confederation peers	261
bgp dampening	262
bgp default local-preference	263
bgp enforce-first-as	264
bgp fast-external-failover	264
bgp four-octet-as-support	265
bgp graceful-restart	265
bgp log-neighbor-changes	266
bgp non-deterministic-med	266
bgp recursive-bgp-next-hop	267
bgp regex-eval-optz-disable	268
bgp router-id	269
bgp soft-reconfig-backup	269
capture bgp-pdu max-buffer-size	270
capture bgp-pdu neighbor	270
clear ip bgp	271
clear ip bgp dampening	272
clear ip bgp flap-statistics	272
clear ip bgp peer-group	273
debug ip bgp	274
debug ip bgp dampening	275
debug ip bgp events	275
debug ip bgp keepalives	276
debug ip bgp notifications	276
debug ip bgp peer-group updates	277
debug ip bgp soft-reconfiguration	278
debug ip bgp updates	278
default-metric	279
description	279
distance bgp	280
max-paths	281
neighbor activate	281
neighbor add-path	282
neighbor advertisement-interval	283
neighbor advertisement-start	283
neighbor allowas-in	284
neighbor default-originate	284
neighbor description	285
neighbor distribute-list	286
neighbor ebgp-multihop	286
neighbor fail-over	287
neighbor filter-list	288
neighbor graceful-restart	288
neighbor local-as	289
neighbor maximum-prefix	290
neighbor next-hop-self	291
neighbor password	291
neighbor peer-group (assigning peers)	292
neighbor peer-group (creating group)	293
neighbor peer-group passive	294
neighbor remote-as	295
neighbor remove-private-as	295
neighbor route-map	296
neighbor route-reflector-client	297
neighbor send-community	298
neighbor shutdown	298
neighbor soft-reconfiguration inbound	299
neighbor subnet	300
neighbor timers	300
neighbor update-source	301
neighbor weight	302
network	302
network backdoor	303
redistribute	304
router bgp	305
show capture bgp-pdu neighbor	306
show config	307
show ip bgp	307
show ip bgp cluster-list	309
show ip bgp community	310
show ip bgp community-list	312
show ip bgp dampened-paths	313
show ip bgp detail	314
show ip bgp extcommunity-list	316
show ip bgp filter-list	316
show ip bgp flap-statistics	318
show ip bgp inconsistent-as	319
show ip bgp neighbors	320
show ip bgp next-hop	324
show ip bgp paths	325
show ip bgp paths as-path	327
show ip bgp paths community	328
show ip bgp peer-group	329
show ip bgp regexp	331
show ip bgp summary	333
show running-config bgp	335
timers bgp	335
MBGP Commands	335
address family ipv4 multicast (MBGP)	336
aggregate-address	336
bgp dampening	337
clear ip bgp ipv4 multicast	338
clear ip bgp dampening	339
clear ip bgp flap-statistics	339
debug ip bgp dampening	340
clear ip bgp peer-group	340
debug ip bgp updates	341
distance bgp	341
neighbor activate	342
neighbor advertisement-interval	343
neighbor default-originate	343
neighbor distribute-list	344
neighbor filter-list	345
neighbor maximum-prefix	346
neighbor next-hop-self	346
neighbor remove-private-as	347
neighbor route-map	347
neighbor route-reflector-client	348
network	349
redistribute	350
redistribute ospf	351
show ip bgp ipv4 multicast	351
show ip bgp cluster-list	353
show ip bgp community	353
show ip bgp community-list	354
show ip bgp dampened-paths	354
show ip bgp filter-list	355
show ip bgp flap-statistics	356
show ip bgp inconsistent-as	357
show ip bgp ipv4 multicast neighbors	357
show ip bgp peer-group	360
show ip bgp summary	360
BGP Extended Communities (RFC 4360)	362
deny	362
deny regex	363
description	364
ip extcommunity-list	364
match extcommunity	365
permit	365
permit regex	366
set extcommunity rt	367
set extcommunity soo	368
show ip bgp ipv4 extcommunity-list	369
show ip bgp paths extcommunity	370
show ip extcommunity-list	370
show running-config extcommunity-list	371
Bare Metal Provisioning (BMP)	373
reload type	373
show reload-type	374
stop jump-start	375
Content Addressable Memory (CAM)	377
CAM Profile Commands	377
cam-acl (Configuration)	377
cam-acl-egress (Configuration)	378
cam-optimization	379
test cam-usage	380
Control Plane Policing (CoPP)	383
control-plane-cpuqos	383
service-policy rate-limit-cpu-queues	383
service-policy rate-limit-protocols	384
show cpu-queue rate cp	384
show ip protocol-queue-mapping	385
show ipv6 protocol-queue-mapping	386
show mac protocol-queue-mapping	386
Data Center Bridging (DCB)	389
DCB Command	389
advertise dcbx-appln-tlv	389
advertise dcbx-tlv	390
clear ets counters	391
clear pfc counters	391
dcb enable	392
dcb-map	392
dcb-map stack-unit all stack-ports all	393
dcbx port-role	394
dcbx version	394
debug dcbx	395
fcoe priority-bits	396
iscsi priority-bits	396
pfc mode on	397
pfc no-drop queues	397
pfc priority	398
priority-group bandwidth pfc	399
priority-pgid	400
show dcb	401
show qos dcb-map	402
show interfaces dcbx detail	403
show interfaces ets	406
show interfaces pfc	410
show interfaces pfc statistics	413
show stack-unit stack-ports ets detail	414
show stack-unit stack-ports pfc detail	415
Dynamic Host Configuration Protocol (DHCP)	417
Commands to Configure the System to be a DHCP Server	417
clear ip dhcp	417
debug ip dhcp server	418
default-router	418
disable	419
dns-server	419
domain-name	419
excluded-address	420
hardware-address	420
host	421
lease	421
netbios-name-server	422
netbios-node-type	422
network	423
pool	423
show ip dhcp binding	423
show ip dhcp configuration	424
show ip dhcp conflict	424
show ip dhcp server	425
Commands to Configure Secure DHCP	425
arp inspection	425
arp inspection-trust	426
clear ip dhcp snooping	426
ip dhcp relay	426
ip dhcp snooping	427
ip dhcp snooping binding	427
ip dhcp snooping database	428
ip dhcp snooping database renew	429
ip dhcp snooping trust	429
ip dhcp source-address-validation	429
ip dhcp snooping vlan	430
ip dhcp snooping verify mac-address	430
show ip dhcp snooping	431
Equal Cost Multi-Path Overview (ECMP)	433
ecmp-group	433
hash-algorithm	434
hash-algorithm ecmp	435
ip ecmp-group	436
link-bundle-distribution trigger-threshold	436
link-bundle-monitor enable	437
FCoE Transit	439
clear fip-snooping database interface vlan	439
clear fip-snooping statistics	440
debug fip snooping	440
feature fip-snooping	441
fip-snooping enable	441
fip-snooping fc-map	442
fip-snooping max-sessions-per-enodemac	442