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Dell S3100 Command Line Reference Guide for the Series 9.110.0 - Page 776

through Dell Networking OS. If the incoming boot request already has a non-zero hops field

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To re-enable the hop-count increment, use the no ip helper-address hop-count disable command. Defaults Command Modes Command History Enabled; the hops field in the DHCP message header is incremented by default. CONFIGURATION This guide is platform-specific. For command information about other platforms, see the relevant Dell Networking OS Command Line Reference Guide. Version 9.10(0.0) 9.8(2.0) 9.8(1.0) 9.8(0.0P5) 9.8(0.0P2) 9.7(0.0) 9.2(1.0) 9.0.2.0 8.3.19.0 8.3.11.1 8.3.7.0 8.1.1.0 7.6.1.0 7.5.1.0 6.3.1.0 Description Introduced on the S3148. Introduced on the S3100 series. Introduced on the Z9100-ON. Introduced on the S4048-ON. Introduced on the S3048-ON. Introduced on the S6000-ON. Introduced on the Z9500. Introduced on the S6000. Introduced on the S4820T. Introduced on the Z9000. Introduced on the S4810. Introduced on the E-Series. Introduced on the S-Series. Introduced on the C-Series. Introduced for the E-Series. Usage Information This command disables the incrementing of the hops field when boot requests are relayed to a DHCP server through Dell Networking OS. If the incoming boot request already has a non-zero hops field, the message is relayed with the same value for hops. However, the message is discarded if the hops field exceeds 16, to comply with the relay agent behavior specified in RFC 1542. Related Commands • ip helper-address - specify the destination broadcast or host address for DHCP server requests. • show running-config - display the current configuration and changes from the default values. ip host Assign a name and an IP address to the host-to-IP address mapping table. Syntax ip host name ip-address To remove an IP host, use the no ip host name [ip-address] command. 776 IPv4 Routing

Section	Page
Dell Command Line Reference Guide for the S3100 Series 9.11(0.0)	3
About this Guide	41
Objectives	41
Audience	41
Conventions	41
CLI Basics	43
Accessing the Command Line	43
Multiple Configuration Users	43
Obtaining Help	44
Navigating the CLI	45
Using the Keyword no Command	46
Filtering show Commands	46
Enabling Software Features on Devices Using a Command Option	47
feature vrf	47
show feature	48
Command Modes	49
File Management	59
boot system	59
cd	61
copy	62
delete	64
dir	65
format	67
fsck flash	67
mkdir	68
mount nfs	69
rmdir	70
upgrade system	70
rename	72
restore factory-defaults	72
show boot system	75
show bootvar	76
show file-systems	77
show os-version	78
show running-config	80
show startup-config	83
show version	85
upgrade	86
Control and Monitoring	89
banner exec	89
banner login	90
banner motd	92
cam-acl	93
cam-acl-vlan	94
clear line	95
configure	96
disable	97
do	98
enable	99
enable optic-info-update interval	100
end	101
exec-timeout	102
exit	103
ftp-server enable	104
ftp-server topdir	105
ftp-server username	106
hostname	107
ip http source-interface	108
ip http vrf	109
ip ftp password	109
ip ftp source-interface	110
ip ftp username	111
ip ftp vrf	112
ip telnet server enable	113
ip telnet server vrf	114
ip telnet source-interface	115
ip telnet vrf	116
ip tftp source-interface	117
ip tftp vrf	118
line	118
login concurrent-session	119
login statistics	121
motd-banner	122
ping	123
reload	126
send	127
service timestamps	128
show alarms	129
show cam-acl-vlan	130
show command-history	131
show cpu-traffic-stats	132
show debugging	133
show environment	134
show inventory	136
show login statistics	138
show memory	140
show processes cpu	141
show processes ipc flow-control	143
show processes memory	145
show software ifm	148
show system	149
show tech-support	153
ssh-peer-stack-unit	156
telnet	156
telnet-peer-stack-unit	158
terminal length	159
traceroute	159
undebug all	161
virtual-ip	162
write	163
802.1X	165
dot1x critical-vlan	166
debug dot1x	167
dot1x auth-fail-vlan	168
dot1x auth-server	169
dot1x auth-type mab-only	170
dot1x authentication (Configuration)	171
dot1x authentication (Interface)	171
dot1x guest-vlan	172
dot1x host-mode	173
dot1x mac-auth-bypass	174
dot1x max-eap-req	175
dot1x max-supplicants	176
dot1x port-control	177
dot1x profile	177
dot1x quiet-period	178
dot1x reauthentication	179
dot1x reauth-max	180
dot1x server-timeout	181
dot1x static-mab	182
dot1x supplicant-timeout	183
dot1x tx-period	184
mac	184
show dot1x cos-mapping interface	185
show dot1x interface	187
show dot1x profile	189
Access Control Lists (ACL)	191
Commands Common to all ACL Types	192
remark	192
show config	194
Common IP ACL Commands	195
access-class	195
clear counters ip access-group	196
ip access-group	197
ip control-plane egress-filter	198
show ip accounting access-list	199
show ip access-lists	201
Standard IP ACL Commands	201
deny	202
ip access-list standard	203
permit	205
resequence access-list	206
seq	207
Extended IP ACL Commands	209
deny	209
deny icmp	211
deny tcp	213
deny udp	216
ip access-list extended	218
permit	220
permit tcp	221
permit udp	224
resequence access-list	227
seq	228
Common MAC Access List Commands	230
clear counters mac access-group	231
mac access-group	231
show mac access-lists	233
show mac accounting access-list	234
Standard MAC ACL Commands	235
deny	235
mac access-list standard	236
permit	238
seq	239
Extended MAC ACL Commands	241
deny	241
mac access-list extended	243
permit	244
IP Prefix List Commands	246
clear ip prefix-list	246
deny	247
ip prefix-list	248
seq	249
show config	250
show ip prefix-list detail	251
show ip prefix-list summary	252
Route Map Commands	253
continue	253
description	254
match as-path	255
match community	256
match interface	257
match ip address	258
match ip next-hop	259
match ip route-source	260
match metric	261
match origin	262
match route-type	263
match tag	264
route-map	265
set as-path	266
set automatic-tag	267
set comm-list delete	268
set community	269
set level	271
set local-preference	272
set metric	273
set metric-type	274
set next-hop	275
set origin	276
set tag	276
set weight	277
show config	278
show route-map	279
AS-Path Commands	280
ip as-path access-list	280
show ip as-path-access-lists	281
IP Community List Commands	282
ip community-list	282
show ip community-lists	283
deny (for Standard IP ACLs)	283
deny (for Extended IP ACLs)	285
seq (for Standard IPv4 ACLs)	286
deny tcp (for Extended IP ACLs)	288
deny udp (for Extended IP ACLs)	289
deny arp (for Extended MAC ACLs)	290
deny icmp (for Extended IP ACLs)	292
deny ether-type (for Extended MAC ACLs)	293
deny (for Standard MAC ACLs)	294
deny (for Extended MAC ACLs)	296
permit (for Standard IP ACLs)	297
permit arp (for Extended MAC ACLs)	299
permit ether-type (for Extended MAC ACLs)	300
permit icmp (for Extended IP ACLs)	301
permit udp (for Extended IP ACLs)	303
permit (for Extended IP ACLs)	304
permit (for Standard MAC ACLs)	306
seq (for Standard MAC ACLs)	307
permit tcp (for Extended IP ACLs)	308
seq arp (for Extended MAC ACLs)	310
seq ether-type (for Extended MAC ACLs)	311
seq (for IP ACLs)	313
seq (for IPv6 ACLs)	314
permit udp (for IPv6 ACLs)	315
permit tcp (for IPv6 ACLs)	317
permit icmp (for IPv6 ACLs)	318
permit (for IPv6 ACLs)	319
deny udp (for IPv6 ACLs)	321
deny tcp (for IPv6 ACLs)	322
deny icmp (for Extended IPv6 ACLs)	324
deny (for IPv6 ACLs)	325
Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM)	327
member vlan	327
ip access-group	328
show acl-vlan-group	328
show cam-acl-vlan	330
cam-acl-vlan	331
show cam-usage	331
show running config acl-vlan-group	334
acl-vlan-group	334
show acl-vlan-group detail	335
description (ACL VLAN Group)	336
Bidirectional Forwarding Detection (BFD)	338
bfd all-neighbors	338
bfd disable	340
bfd enable (Configuration)	340
bfd enable (Interface)	341
bfd interval	342
bfd neighbor	343
bfd protocol-liveness	343
ip route bfd	344
ipv6 ospf bfd all-neighbors	345
isis bfd all-neighbors	346
neighbor bfd	347
neighbor bfd disable	348
show bfd neighbors	349
vrrp bfd neighbor	351
Border Gateway Protocol	352
BGP IPv4 Commands	352
address-family	352
aggregate-address	353
bgp add-path	355
bgp always-compare-med	356
bgp asnotation	357
bgp bestpath as-path ignore	358
bgp bestpath as-path multipath-relax	359
bgp bestpath med confed	359
bgp bestpath med missing-as-best	360
bgp bestpath router-id ignore	361
bgp client-to-client reflection	362
bgp cluster-id	362
bgp confederation identifier	363
bgp confederation peers	365
bgp connection-retry-timer	366
bgp dampening	366
bgp default local-preference	367
bgp dmzlink-bw	368
bgp enforce-first-as	369
bgp fast-external-fallover	370
bgp four-octet-as-support	371
bgp graceful-restart	372
bgp non-deterministic-med	373
bgp recursive-bgp-next-hop	374
bgp regex-eval-optz-disable	375
bgp router-id	376
clear ip bgp	377
clear ip bgp dampening	379
clear ip bgp flap-statistics	380
clear ip bgp peer-group	382
deny bandwidth	383
debug ip bgp	383
debug ip bgp dampening	385
debug ip bgp events	386
debug ip bgp keepalives	387
debug ip bgp notifications	388
debug ip bgp soft-reconfiguration	389
debug ip bgp updates	390
default-metric	391
description	392
maximum-paths	393
neighbor activate	394
neighbor add-path	395
neighbor advertisement-interval	396
neighbor advertisement-start	397
neighbor allowas-in	398
neighbor default-originate	399
neighbor description	400
neighbor distribute-list	401
neighbor ebgp-multihop	402
neighbor fall-over	403
neighbor local-as	404
neighbor maximum-prefix	405
neighbor next-hop-self	406
neighbor password	407
neighbor peer-group (assigning peers)	408
neighbor peer-group (creating group)	409
neighbor peer-group passive	410
neighbor remote-as	411
neighbor remove-private-as	412
neighbor route-map	413
neighbor route-reflector-client	414
neighbor sender-side-loopdetect	416
neighbor send-community	417
neighbor shutdown	418
neighbor soft-reconfiguration inbound	419
neighbor timers	420
neighbor update-source	421
neighbor weight	422
network	423
network backdoor	424
permit bandwidth	425
redistribute	426
redistribute ospf	428
router bgp	429
shutdown all	430
shutdown address-family-ipv4–multicast	430
shutdown address-family-ipv4–unicast	431
shutdown address-family-ipv6–unicast	431
set extcommunity bandwidth	432
show capture bgp-pdu neighbor	432
show config	433
show ip bgp	434
show ip bgp cluster-list	436
show ip bgp community	438
show ip bgp community-list	440
show ip bgp dampened-paths	442
show ip bgp detail	443
show ip bgp extcommunity-list	445
show ip bgp filter-list	446
show ip bgp flap-statistics	448
show ip bgp inconsistent-as	450
show ip bgp neighbors	452
show ip bgp next-hop	455
show ip bgp paths	456
show ip bgp paths community	458
show ip bgp peer-group	459
show ip bgp regexp	461
show ip bgp summary	463
show running-config bgp	465
timers bgp	466
MBGP Commands	467
debug ip bgp dampening	467
distance bgp	468
show ip bgp dampened-paths	469
BGP Extended Communities (RFC 4360)	471
set extcommunity rt	471
set extcommunity soo	472
show ip bgp paths extcommunity	473
show ip extcommunity-list	474
IPv6 BGP Commands	475
clear ip bgp ipv6 unicast soft	475
debug ip bgp ipv6 unicast soft-reconfiguration	476
ipv6 prefix-list	477
neighbor soft-reconfiguration inbound	478
show ipv6 prefix-list	479
IPv6 MBGP Commands	479
show ipv6 mbgproutes	480
Content Addressable Memory (CAM)	481
CAM Profile Commands	481
cam-acl (Configuration)	482
cam-acl-egress	485
cam-optimization	485
show cam-acl	486
show cam-usage	488
test cam-usage	489
Control Plane Policing (CoPP)	491
control-plane-cpuqos	491
service-policy rate-limit-cpu-queues	492
service-policy rate-limit-protocols	493
ip unknown-unicast	494
ipv6 unknown-unicast	494
show cpu-queue rate cp	495
show ip protocol-queue-mapping	496
show ipv6 protocol-queue-mapping	497
show mac protocol-queue-mapping	498
Debugging and Diagnostics	500
Diagnostics and Monitoring Commands	500
logging coredump stack-unit	500
Offline Diagnostic Commands	501
diag stack-unit	501
offline stack-unit	502
online stack-unit	503
Hardware Commands	504
clear hardware stack-unit	504
clear hardware system-flow	505
clear hardware vlan-counters	506
hardware watchdog	507
show hardware mac	507
show hardware ip	508
show hardware stack-unit	509
show hardware buffer interface	517
show hardware counters interface	518
show hardware buffer-stats-snapshot	520
show hardware stack-unit buffer-stats-snapshot (Total Buffer Information)	521
show hardware system-flow	522
show hardware vlan-counters	524
show hardware drops	525
Dynamic Host Configuration Protocol (DHCP)	528
Commands to Configure the System to be a DHCP Server	528
clear ip dhcp	528
debug ip dhcp server	529
debug ipv6 dhcp	530
default-router	530
disable	531
dns-server	532
domain-name	533
excluded-address	533
hardware-address	534
host	535
lease	536
netbios-name-server	537
netbios-node-type	537
network	538
pool	539
show ip dhcp binding	540
show ip dhcp configuration	540
show ip dhcp conflict	541
show ip dhcp server	542
Commands to Configure Secure DHCP	543
arp inspection	543
arp inspection-trust	544
clear ip dhcp snooping	545
clear ipv6 dhcp snooping binding	546
ip dhcp relay	546
ip dhcp snooping	547
ipv6 dhcp snooping	548
ipv6 dhcp snooping vlan	549
ip dhcp snooping binding	549
IPv6 DHCP Snooping Binding	550
ip dhcp snooping database	551
ipv6 dhcp snooping database write-delay	552
ip dhcp snooping database renew	553
ipv6 dhcp snooping database renew	553
ip dhcp snooping trust	554
ipv6 dhcp snooping trust	555
ip dhcp source-address-validation	555
ip dhcp relay information-option	556
ip dhcp snooping verify mac-address	557
ipv6 dhcp snooping verify mac-address	558
ip helper-address	558
ipv6 helper-address	559
show ip dhcp snooping	560
show ipv6 dhcp snooping	562
Commands to Configure DNS	563
ip name-server	563
ip domain-name	564
ip domain-list	565
ip host	566
clear host	567
Equal Cost Multi-Path (ECMP)	568
ecmp-group	568
hash-algorithm	569
ip ecmp-group	571
ip ecmp weighted	572
link-bundle-monitor enable	573
link-bundle-distribution trigger-threshold	574
show config	574
show link-bundle distribution	575
FIPS Cryptography	577
fips mode enable	577
show fips status	578
show ip ssh	578
ssh	580
Force10 Resilient Ring Protocol (FRRP)	583
clear frrp	583
debug frrp	585
description	586
disable	587
interface	587
member-vlan	589