Cisco Nexus 3548 series Installation manual

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Cisco Nexus 3548 Switch NX-OS Unicast
Routing Command Reference
May 2013
Text Part Number: OL-27852-01

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Cisco Nexus 3548 Switch NX-OS Unicast Routing Command Reference
©2012-2013 Cisco Systems, Inc. All rights reserved.

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CONTENTS
New and Changed Information xv
Preface xvii
Audience xvii
Document Conventions xvii
Related Documentation xviii
Documentation Feedback xix
Obtaining Documentation and Submitting a Service Request xix
Unicast Routing Commands 1
additional-paths receive 2
additional-paths selection 4
additional-paths send 6
address (VRRP) 8
address-family (BGP neighbor) 10
address-family (BGP router) 12
address-family (EIGRP) 14
address-family (RIP) 15
advertise-map (BGP) 16
advertisement-interval (VRRP) 18
aggregate-address (BGP) 20
area authentication (OSPF) 23
area default-cost (OSPF) 25
area filter-list (OSPF) 26
area filter-list (OSPFv3) 28
area nssa (OSPF) 30
area range (OSPF) 32
area stub (OSPF) 34
area virtual-link (OSPF) 36
authentication (HSRP) 38
authentication (OSPF virtual link) 40
authentication (VRRP) 42

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authentication key-chain (EIGRP) 43
authentication mode (EIGRP) 45
authentication-key (OSPF virtual link) 46
auto-cost (OSPF) 47
autonomous-system 48
bestpath (BGP) 49
bestpath as-path multipath-relax (BGP) 51
capability additional-paths receive 52
capability additional-paths send 54
clear bgp 56
clear bgp dampening 57
clear bgp flap-statistics 59
clear bgp policy statistics aggregate-address 61
clear bgp policy statistics dampening 62
clear bgp policy statistics neighbor 63
clear bgp policy statistics redistribute 64
clear forwarding route 66
clear forwarding inconsistency 67
clear ip adjacency statistics 68
clear ip arp 69
clear ip bgp 71
clear ip bgp dampening 73
clear ip bgp flap-statistics 75
clear ip eigrp accounting 76
clear ip eigrp neighbors 77
clear ip eigrp redistribution 79
clear ip eigrp traffic 80
clear ip interface statistics 81
clear ip ospf neighbor 82
clear ip ospf policy statistics 84
clear ip ospf redistribution 86
clear ip ospf statistics 87
clear ip ospf traffic 88
clear ip rip policy statistics redistribute 89
clear ip rip statistics 91

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clear ip route 92
clear ip traffic 93
clear sockets statistics 94
clear vrrp 95
client-to-client reflection 96
confederation 97
dampening (BGP) 98
dead-interval (OSPF virtual link) 100
default-information originate (EIGRP) 102
default-information originate (OSPF) 104
default-information originate (RIP) 106
default-metric (EIGRP) 107
default-metric (OSPF) 109
default-metric (RIP) 111
delay minimum 113
delay 114
distance (EIGRP) 115
distance (OSPF) 117
distance (RIP) 118
ebgp-multihop 119
eigrp log-neighbor-changes 120
eigrp log-neighbor-warnings 121
eigrp router-id 122
eigrp stub 123
feature bgp 125
feature eigrp 126
feature hsrp 127
feature ospf 128
feature rip 129
feature vrrp 130
flush-routes (EIGRP) 131
flush-routes (OSPF) 132
hardware ip glean throttle 133
hardware ip glean throttle maximum 134
hardware ip glean throttle syslog 135

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hardware ip glean throttle timeout 137
hello-interval (OSPF virtual link) 138
hsrp 139
hsrp delay 140
ip (HSRP) 142
ip address 144
ip arp 146
ip arp gratuitous 148
ip arp syslog-threshold 149
ip arp timeout 150
ip as-path access-list 151
ip authentication key-chain eigrp 153
ip authentication mode eigrp 154
ip bandwidth eigrp 156
ip bandwidth-percent eigrp 157
ip community-list 158
ip delay eigrp 161
ip directed-broadcast 162
ip distribute-list eigrp 164
ip eigrp shutdown 165
ip extcommunity-list 166
ip hello-interval eigrp 169
ip hold-time eigrp 170
ip load-sharing address 171
ip local-proxy-arp 172
ip next-hop-self eigrp 173
ip offset-list eigrp 174
ip ospf authentication 176
ip ospf authentication-key 178
ip ospf cost 180
ip ospf dead-interval 181
ip ospf hello-interval 182
ip ospf message-digest-key 183
ip ospf mtu-ignore 185
ip ospf network 186

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ip ospf passive-interface 187
ip ospf priority 188
ip ospf retransmit-interval 189
ip ospf shutdown 190
ip ospf transmit-delay 191
ip passive-interface eigrp 192
ip port-unreachable 193
ip prefix-list 194
ip prefix-list description 196
ip proxy-arp 197
ip rip authentication key-chain 198
ip rip authentication mode 199
ip rip metric-offset 200
ip rip offset-list 201
ip rip passive-interface 202
ip rip poison-reverse 203
ip rip route-filter 204
ip rip summary-address 205
ip route 206
ip router eigrp 208
ip router ospf area 209
ip router ospf multi-area 210
ip router rip 211
ip split-horizon eigrp 212
ip summary-address eigrp 213
ip tcp path-mtu-discovery 215
ip unreachables 216
log-adjacency-changes (EIGRP) 217
log-adjacency-changes (OSPF) 218
log-neighbor-warnings 219
low-memory exempt 220
mac-list 221
match as-number 223
match as-path 225
match community 227

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match extcommunity 229
match interface 231
match ip address 233
match ip multicast 235
match ip next-hop prefix-list 237
match ip route-source prefix-list 239
match metric 241
match mac-list 243
match route-type 245
match tag 247
match vlan 249
max-metric router-lsa (OSPF) 251
maxas-limit 253
maximum-paths (BGP) 254
maximum-paths (EIGRP) 255
maximum-paths (RIP) 256
maximum-paths (OSPF) 257
maximum-prefix (BGP) 258
message-digest-key (OSPF virtual link) 261
metric maximum-hops 262
metric weights 263
neighbor 265
network 268
nexthop route-map 269
next-hop-self 271
nexthop trigger-delay 272
no switchport 273
object 274
password (BGP) 276
platform ip verify 278
platform ip verify address 279
platform ip verify length 281
policy statistics enable (OSPF) 283
preempt (HSRP) 284
preempt (VRRP) 286

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priority (HSRP) 288
priority (VRRP) 290
protocol shutdown (OSPF) 292
redistribute (BGP) 293
redistribute (EIGRP) 295
redistribute (OSPF) 297
redistribute (RIP) 299
redistribute maximum-prefix (EIGRP) 301
redistribute maximum-prefix (OSPF) 303
remote-as 305
restart bgp 306
restart eigrp 307
restart ospf 308
restart rip 309
retransmit-interval (OSPF virtual link) 310
rfc1583compatibility 311
route-map 312
route-reflector-client (BGP) 315
router bgp 316
router eigrp 318
router ospf 319
router rip 320
router-id (EIGRP) 321
router-id (OSPF) 322
routing-context vrf 323
send-community 324
set as-path 325
set comm-list delete 327
set community 329
set dampening 331
set extcommunity 333
set extcomm-list delete 335
set forwarding-address 337
set ip next-hop peer-address 339
set level 340

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set local-preference 342
set metric 344
set metric-type 346
set origin 348
set path-selection all advertise 350
set tag 351
set weight 353
shutdown (BGP) 355
shutdown (EIGRP) 356
shutdown (OSPF) 357
shutdown (VRRP) 358
soft-reconfiguration inbound (BGP) 359
stub 360
summary-address (OSPF) 362
suppress-inactive 364
template (BGP) 365
test forwarding distribution perf 368
test forwarding inconsistency 369
threshold percentage 370
threshold weight 372
timers active-time 374
timers basic 375
timers lsa-arrival (OSPF) 377
timers lsa-group-pacing (OSPF) 378
timers nsf converge 380
timers nsf route-hold 381
timers nsf signal 383
timers throttle lsa (OSPF) 384
timers throttle spf (OSPF) 386
track (VRRP) 388
track interface 389
track interface (VRRP) 391
track ip route 393
track list 394
transmit-delay (OSPF virtual link) 396

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vrf context (Layer 2) 397
vrf 399
vrf context (Layer 3) 401
vrf member 402
vrrp 404
Unicast Routing Show Commands 407
show bgp 408
show bgp community 409
show bgp community-list 410
show bgp extcommunity 411
show bgp extcommunity-list 412
show bgp neighbors 413
show bgp sessions 415
show bgp statistics 416
show forwarding 418
show forwarding distribution 420
show forwarding inconsistency 421
show hsrp 422
show hsrp delay 424
show hsrp summary 425
show interface vlan counter 426
show ip adjacency 427
show ip adjacency summary 428
show ip arp 429
show ip arp summary 430
show ip bgp 431
show ip bgp all 433
show ip bgp community 436
show ip bgp community exact-match 438
show ip bgp community-list 439
show ip bgp dampening 440
show ip bgp extcommunity 441
show ip bgp extcommunity-list 442
show ip bgp filter-list 443
show ip bgp flap-statistics 444

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show ip bgp neighbors 445
show ip bgp nexthop 446
show ip bgp nexthop-database 447
show ip bgp paths 448
show ip bgp peer-policy 449
show ip bgp peer-session 450
show ip bgp peer-template 451
show ip bgp prefix-list 452
show ip bgp received-paths 453
show ip bgp route-map 454
show ip bgp summary 455
show ip client 456
show ip community-list 457
show ip eigrp 458
show ip eigrp accounting 459
show ip eigrp interfaces 460
show ip eigrp neighbors 462
show ip eigrp route 464
show ip eigrp route-map statistics 466
show ip eigrp topology 468
show ip eigrp traffic 470
show ip fib 471
show ip fib distribution 472
show ip interface 473
show ip load-sharing 474
show ip ospf 475
show ip ospf border-routers 476
show ip ospf database 477
show ip ospf interface 480
show ip ospf lsa-content-changed-list 482
show ip ospf neighbors 483
show ip ospf policy statistics area 485
show ip ospf policy statistics redistribute 487
show ip ospf request-list 489
show ip ospf retransmission-list 490

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show ip ospf route 491
show ip ospf statistics 492
show ip ospf summary-address 493
show ip ospf traffic 494
show ip ospf virtual-links 495
show ip prefix-list 496
show ip process 497
show ip rip 498
show ip rip interface 499
show ip rip neighbor 500
show ip rip policy statistics 501
show ip rip route 503
show ip rip statistics 504
show ip route 505
show ip static-route 506
show ip traffic 507
show mac-list 508
show routing 509
show routing hash 511
show routing memory estimate 512
show routing-context 513
show routing hash 514
show running-config 515
show running-config arp 517
show running-config bgp 519
show running-config eigrp 521
show running-config ospf 522
show sockets client 523
show sockets connection 524
show sockets statistics 525
show startup-config arp 526
show track 527
show vlan id counter 528
show vrrp 530

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New and Changed Information
This chapter provides release-specific information for each new and changed feature in the Cisco Nexus
3548 NX-OS Unicast Routing Command Reference. The latest version of this document is available at
the following Cisco website:
http://www.cisco.com/en/US/products/ps11541/tsd_products_support_series_home.html
To check for additional information about this Cisco NX-OS Release, see the Cisco Nexus 3548 Switch
Release Notes available at the following Cisco website:
http://www.cisco.com/en/US/products/ps11541/prod_release_notes_list.html
Table 1 summarizes the new and changed features for Cisco NX-OS Release 6.x and tells you where they
are documented.
Table 1 New and Changed Information
Feature Description
Changed in
Release Where Documented
BGP Additional Path
commands
Added description for several new
commands in support of BGP Additional
Path features.
6.0(2)A1(1) additional-paths receive
additional-paths selection
additional-paths send
capability additional-paths receive
capability additional-paths send
set path-selection all advertise

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Chapter New and Changed Information

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Preface
This preface describes the audience, organization, and conventions of the Cisco Nexus 3548 Switch
NX-OS Unicast Routing Command Reference . It also provides information on how to obtain related
documentation.
This preface includes the following sections:
•Audience, page xvii
•Document Conventions, page xvii
•Related Documentation, page xviii
•Obtaining Documentation and Submitting a Service Request, page xix
Audience
This publication is for experienced network administrators who configure and maintain Cisco Nexus
Series switches.
Document Conventions
Command descriptions use these conventions:
Convention Description
boldface font Commands and keywords are in boldface.
italic font Arguments for which you supply values are in italics.
[ ] Elements in square brackets are optional.
[ x | y | z ] Optional alternative keywords are grouped in brackets and separated by vertical
bars.
string A nonquoted set of characters. Do not use quotation marks around the string or
the string will include the quotation marks.

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Screen examples use these conventions:
This document uses the following conventions:
Note Means reader take note. Notes contain helpful suggestions or references to material not covered in the
manual.
Caution Means reader be careful. In this situation, you might do something that could result in equipment
damage or loss of data.
Related Documentation
Documentation for the Cisco Nexus 3000 Series Switch is available at the following URL:
http://www.cisco.com/en/US/products/ps11541/tsd_products_support_series_home.html
The documentation set is divided into the following categories:
Release Notes
The release notes are available at the follwing URL:
http://www.cisco.com/en/US/products/ps11541/prod_release_notes_list.html
Installation and Upgrade Guides
The installation and upgrade guides are available at the following URL:
http://www.cisco.com/en/US/products/ps11541/prod_installation_guides_list.html
Command References
The command references are available at the following URL:
http://www.cisco.com/en/US/products/ps11541/prod_command_reference_list.html
Technical References
The technical references are available at the following URL:
http://www.cisco.com/en/US/products/ps11541/prod_technical_reference_list.html
screen font Terminal sessions and information that the switch displays are in screen font.
boldface screen
font
Information that you must enter is in boldface screen font.
italic screen font Arguments for which you supply values are in italic screen font.
< > Nonprinting characters, such as passwords, are in angle brackets.
[ ] Default responses to system prompts are in square brackets.
!, # An exclamation point (!) or a pound sign (#) at the beginning of a line of code
indicates a comment line.

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Chapter
Configuration Guides
The configuration guides are available at the following URL:
http://www.cisco.com/en/US/products/ps11541/products_installation_and_configuration_guides_list.h
tml
Error and System Messages
The system message reference guide is available at the following URL:
http://www.cisco.com/en/US/products/ps11541/products_system_message_guides_list.html
Documentation Feedback
To provide technical feedback on this document, or to report an error or omission, please send your
comments to nexu[email protected]. We appreciate your feedback.
Obtaining Documentation and Submitting a Service Request
For information on obtaining documentation, submitting a service request, and gathering additional
information, see the monthly What’s New in Cisco Product Documentation, which also lists all new and
revised Cisco technical documentation:
http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html
Subscribe to the What’s New in Cisco Product Documentation as an RSS feed and set content to be
delivered directly to your desktop using a reader application. The RSS feeds are a free service. Cisco currently
supports RSS Version 2.0.

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