Table Of Contents
Index: Cisco IOS IP and IP Routing Command Reference
Symbols A B C D E F G H I K L M N O P R S T U V W
Symbols
? command xv
A
aaa authorization ipmobile command P1R-248
abbreviating commands
context-sensitive help xv
accept-lifetime command P1R-684
access-class command P1R-138
access groups
IP P1R-171
access-list command
IP
extended P1R-140, P1R-158, P1R-162
standard P1R-150
access-list remark command P1R-153
access lists
IP
applying on inbound or outbound interfaces P1R-171
BGP access list filters P1R-546, P1R-571
extended P1R-140, P1R-175
logging message P1R-160, P1R-164, P1R-202
named P1R-173
setting on virtual terminal lines P1R-138
standard P1R-150 to P1R-152
time-based P1R-142, P1R-160, P1R-202
violations, accounting for P1R-175
violations, logging P1R-160, P1R-164, P1R-175, P1R-202
IP violations, logging P1R-151
access list violations
IP
accounting P1R-175
displaying P1R-208
displaying (example) P1R-209
logging P1R-142, P1R-151, P1R-160, P1R-164, P1R-175, P1R-202
addresses
primary IP P1R-14
secondary IP P1R-14
address-family ipv4 command P1R-664
address-family vpnv4 command P1R-666
address ranges, summarizing
IS-IS for IP P1R-419, P1R-500
OSPF P1R-353
adjacency levels, IS-IS for IP, specifying P1R-464, P1R-465
administrative distance
BGP, setting P1R-539
defaults (table) P1R-429, P1R-686
IP Enhanced IGRP, setting P1R-429
OSPF default P1R-430, P1R-686
RIP default P1R-430, P1R-686
aggregate address, configuring for BGP P1R-504
aggregate-address command P1R-504
AppleTalk
tunneling, Cayman P1R-96
area authentication command P1R-348
area default-cost command P1R-350
area nssa command P1R-352
area-password command P1R-458
area range command P1R-353
area stub command P1R-355
area virtual-link command P1R-357
arp arpa command P1R-5
arp command P1R-4
arp frame-relay command P1R-5
arp probe command P1R-5
arp snap command P1R-5
ARP table
timeout P1R-7
arp timeout command P1R-7
ATM
point-to-multipoint SVC P1R-842
SVC
point-to-multipoint P1R-842
VC status, displaying P1R-887
authentication
IP Enhanced IGRP packets P1R-433
MD5, RIP P1R-703
on DRP Server Agent P1R-182
See also MD5 authentication
auto-cost command P1R-360
autonomous systems
BGP providing paths to remote networks P1R-658
boundary router P1R-363, P1R-729
auto-summary (BGP) command P1R-507
auto-summary (RIP) command
RIP P1R-306
auto-summary command
IP Enhanced IGRP P1R-424
B
beacon command P1R-946
BGP
local preference value, setting P1R-753
route map P1R-731
route summarization P1R-306, P1R-424
BGP (Border Gateway Protocol)
administrative distance, setting P1R-539
aggregate address, configuring P1R-504
backdoor routes, indicating P1R-606
community, matching P1R-559
community attribute
sending to a neighbor P1R-593
community list, creating P1R-549
confederation P1R-518
enabling P1R-609
metric type P1R-620
networks, specifying P1R-604
route dampening
configuration factors P1R-521
dampening information, clearing P1R-531
enabling P1R-521
flap statistics, clearing P1R-532
suppressed routes, unsuppressing P1R-531
route filtering P1R-546, P1R-571
route reflector, configuring P1R-515, P1R-517, P1R-591
route summarization P1R-507
routing domain confederation P1R-518
sessions, resetting immediately P1R-525
soft reconfiguration P1R-529, P1R-596
synchronization with IGPs P1R-658
TCP MD5 authentication P1R-576
timers, adjusting P1R-662
bgp always-compare-med command P1R-509
bgp bestpath compare-routerid command P1R-511
bgp bestpath med confed command P1R-512
bgp bestpath missing-as-worst command P1R-514
bgp client-to-client reflection command P1R-515
bgp cluster-id command P1R-517
bgp confederation identifier command P1R-518
bgp confederation peers command P1R-520
bgp dampening command P1R-521
bgp default local-preference command P1R-523
bgp fast-external-fallover command P1R-525
bgp log-neighbor-changes command P1R-525
bgp router-id command P1R-528
bootfile P1R-100
bootfile command P1R-100
BOOTP
forwarding agent P1R-26, P1R-32
bridge crb command P1R-15
bridge group command P1R-15
broadcasts
IP
and transparent bridging spanning-tree protocol P1R-28
flooding P1R-28
C
cautions
usage in text ix
Cayman tunneling
AppleTalk P1R-96
CCO
accessing x
definition x
CEF
policy routing P1R-747
CGMP
clearing P1R-788
enabling P1R-798
proxy P1R-798
Cisco Connection Online
See CCO
Cisco IOS
saving configuration changes xviii
clear access-list counters command P1R-154
clear arp-cache command P1R-8
clear host command P1R-9
clear ip accounting command P1R-155
clear ip bgp command P1R-529
clear ip bgp dampening command P1R-531
clear ip bgp flap-statistics command P1R-532
clear ip bgp peer-group command P1R-533
clear ip cgmp command P1R-788
clear ip dhcp binding P1R-101
clear ip dhcp binding command P1R-101
clear ip dhcp conflict P1R-102
clear ip dhcp conflict command P1R-102
clear ip dhcp server statistics P1R-103
clear ip dhcp server statistics command P1R-103
clear ip drp command P1R-156
clear ip dvmrp route command P1R-789
clear ip eigrp neighbors command P1R-425, P1R-789
clear ip igmp group command P1R-790
clear ip mobile binding command P1R-250
clear ip mobile secure command P1R-251
clear ip mobile traffic command P1R-253
clear ip mobile visitor command P1R-255
clear ip mrm status-report command P1R-948
clear ip mroute command P1R-791
clear ip msdp peer command P1R-896
clear ip msdp sa-cache command P1R-897
clear ip msdp statistics command P1R-898
clear ip nat translation command P1R-10
clear ip nhrp command P1R-12
clear ip ospf command P1R-361
clear ip pgm router command P1R-928
clear ip pim auto-rp command P1R-792
clear ip prefix-list command P1R-534
clear ip route command P1R-13
clear ip rtp header-compression command P1R-793
clear ip sdr command P1R-794
clear ip sse command P1R-157
clear tcp statistics command P1R-157
client-identifier P1R-104
client-identifier command P1R-104
client-name P1R-105
client-name command P1R-105
command modes
summary (table) xiv
command syntax conventions
Cisco IOS documentation ix
compatible command P1R-362
conditional default origination, IS-IS P1R-459
configuration, saving xviii
D
debug ip dhcp server P1R-108
default form of a command
using xvii
default-information command
IP Enhanced IGRP P1R-426
default-information originate (BGP) command P1R-535
default-information originate (IS-IS) command P1R-459
default-information originate command
OSPF P1R-363
RIP P1R-307
default-metric (BGP) command P1R-537
default-metric (RIP) command
RIP P1R-308
default-metric command
IP Enhanced IGRP P1R-427
OSPF P1R-365
default networks, specifying P1R-693
default-router P1R-106
default-router command P1R-106
default routes
IP P1R-693
IP Enhanced IGRP P1R-426
IS-IS for IP P1R-363, P1R-459
OSPF P1R-363, P1R-459
deny (IP) command P1R-158
designated routers
IS-IS for IP, specifying election P1R-477
DHCP
helper addresses P1R-26, P1R-32
display delimiter (IS-IS) P1R-466
distance bgp command P1R-539
distance command P1R-686
distance eigrp command P1R-429
distance mbgp command
See distance bgp command
distance ospf command P1R-366
DistributedDirector
enabling DRP Server Agent P1R-183
distribute-list in command P1R-541, P1R-689
distribute-list out command P1R-543, P1R-691
dns-server P1R-107
documentation conventions
Cisco IOS viii
domain-name P1R-108
domain-name command P1R-108
domain-password command P1R-461
DRP Server Agent
enabling P1R-183
DVMRP
See also IP multicast routing
dynamic command P1R-162
Dynamic Host Configuration Protocol
See DHCP
E
EGP
neighbor
relationships P1R-336
EIGRP
timers active-time P1R-454
eigrp log-neighbor-changes command P1R-431, P1R-432
eigrp log-neighbor-warnings command P1R-432
enabling logging for neighbor resets P1R-526
extended access lists
IP P1R-140
named dynamic P1R-162
extended networks
IP, using secondary addresses P1R-15
F
filters
IP, on sources of routing information P1R-686
IP Enhanced IGRP
routes in updates P1R-689
routes in updates, advertising P1R-691
routing updates, preventing P1R-725
forwarding-agent command P1R-170
Frame Relay
disabling split horizon P1R-316, P1R-332
RTP header compression
enabling P1R-795
enabling per DLCI P1R-797
enabling with TCP header compression P1R-796
statistics, displaying P1R-861
frame-relay ip rtp header-compression command P1R-795
frame-relay map ip compress command P1R-796
frame-relay map ip rtp header-compression command P1R-797
functional address P1R-833
G
gateway of last resort
IGRP and RIP
computing P1R-693
global configuration mode
summary xiv
H
hardware-address P1R-109
hardware-address command P1R-109
hello packets
IP Enhanced IGRP
interval between P1R-436
valid time P1R-437
IS-IS for IP, setting interval P1R-468
help command xv
helper addresses
IP P1R-25, P1R-83
hold time
IP Enhanced IGRP P1R-437
home agent address, defining P1R-265
host P1R-110
host command P1R-110
Hot Standby Router Protocol
burned-in address P1R-243
enabling P1R-231, P1R-233
hello time P1R-226
hold time P1R-226
interfaces, tracking P1R-241
MAC address P1R-233
MAC refresh interval P1R-235
password, configuring P1R-230
preemption P1R-236, P1R-238
preemption delay P1R-236, P1R-238
prioritize by tracking other interfaces P1R-241
priority P1R-236, P1R-238
status, displaying P1R-225
timers, setting P1R-240
tracking interfaces for priority P1R-241
virtual MAC address P1R-233
HP Probe Proxy
name requests P1R-69
I
ICMP Router Discovery Protocol (IRDP)
enabling P1R-37
ICMP subnet masks P1R-14
IGMP
See IP multicast routing, IGMP
ignore lsa mospf command P1R-368
IGRP
enabling P1R-340
offsets, applying P1R-338
offsets for routing metrics P1R-338
traffic distribution, controlling P1R-345, P1R-455
input-queue command P1R-309
interface configuration mode
summary xiv
interfaces
addresses, secondary P1R-14
circuit type, IS-IS for IP, specifying P1R-464
Interior Gateway Routing Protocol
See IGRP
Internet Control Message Protocol (ICMP)
See ICMP entries
Internet Protocol
See IP
IP
access lists
applying on inbound or outbound interfaces P1R-171
commented P1R-153, P1R-204
definition of extended P1R-171
extended, creating P1R-140, P1R-171
extended, creating dynamic P1R-162
named P1R-173
remark P1R-153, P1R-204
setting on virtual terminal lines P1R-138
standard P1R-150, P1R-158, P1R-200
standard named P1R-173
time-based P1R-142, P1R-160, P1R-202
violations, accounting of P1R-175
violations, logging P1R-142, P1R-160, P1R-164, P1R-202
accounting
access list violations, displaying P1R-208
database, displaying P1R-208
addresses
primary P1R-14
secondary P1R-14
broadcasts
flooding P1R-28
transparent bridging spanning-tree protocol P1R-28
description of P1R-3
local policy routing, identifying the route map P1R-695
named access list P1R-173
policy routing
enabling P1R-732
packet length, matching P1R-716
route map, identifying P1R-697
precedence P1R-749
primary address, setting P1R-14
redistribution, matching
a tag P1R-722
BGP autonomous system path access list P1R-557
BGP community list P1R-559
interface P1R-707
IP address P1R-709
metric of a route P1R-718
next hop router address P1R-712
route source P1R-714
route type P1R-720
redistribution, setting
as-path P1R-610
BGP origin code P1R-622
BGP weight P1R-624
community P1R-614, P1R-620, P1R-622
default interface P1R-739
default next hop P1R-743
interface P1R-741
level for importing routes P1R-751
metric P1R-341, P1R-445, P1R-755
metric type P1R-757
next hop P1R-618, P1R-745, P1R-759
preference for autonomous system P1R-753
tag P1R-616, P1R-737
tag of destination routing protocol P1R-761
routing
displaying status of interfaces P1R-82
enabling P1R-71
local-area mobility P1R-39
secondary address, specifying P1R-14
source IP address, validating P1R-329
UDP datagrams
flooding P1R-30
speeding up flooding P1R-30
ip access-group command P1R-171
ip access-list command P1R-173
ip accounting command P1R-175
ip accounting-list command P1R-177
ip accounting-threshold command P1R-178
ip accounting-transits command P1R-179
ip address command P1R-14
ip as-path access-list command P1R-546
ip authentication key-chain eigrp command P1R-433
ip authentication mode eigrp command P1R-434
ip bandwidth-percent eigrp command P1R-435
ip broadcast-address command P1R-16
ip casa command P1R-180
ip cef traffic-statistics command P1R-17
ip cgmp command P1R-798
ip classless command P1R-19
ip community-list command P1R-549
ip default-gateway command P1R-20
ip default-network command P1R-693
ip dhcp conflict logging command P1R-111
ip dhcp database P1R-112
ip dhcp database command P1R-112
ip dhcp excluded-address command P1R-114
ip dhcp ping packets P1R-115
ip dhcp ping packets command P1R-115
ip dhcp ping timeout P1R-116
ip dhcp ping timeout command P1R-116
ip dhcp pool P1R-117
ip dhcp pool command P1R-117
ip dhcp relay information check P1R-118
ip dhcp relay information check command P1R-118
ip dhcp relay information option P1R-119
ip dhcp relay information option command P1R-119
ip dhcp relay information policy P1R-120
ip dhcp relay information policy command P1R-120
ip directed-broadcast command P1R-21
ip domain-list command P1R-22
ip domain-lookup command P1R-23
ip domain-name command P1R-24
ip drp access-group command P1R-181
ip drp authentication key-chain command P1R-182
ip drp server command P1R-183
ip dvmrp accept-filter command P1R-800
ip dvmrp auto-summary command P1R-802
ip dvmrp default-information command P1R-803
ip dvmrp metric command P1R-669, P1R-804
ip dvmrp metric-offset command P1R-806
ip dvmrp output-report-delay command P1R-807
ip dvmrp reject-non-pruners command P1R-808
ip dvmrp routehog-notification command P1R-809
ip dvmrp route-limit command P1R-810
ip dvmrp summary-address command P1R-811
ip dvmrp unicast-routing command P1R-812
IP Enhanced IGRP
administrative distance, setting P1R-429
authentication, enabling P1R-433
bandwidth P1R-435
default routes P1R-426
disabling P1R-444
enabling P1R-444
filters
routes in updates P1R-689
routes in updates, advertising P1R-691
routing updates, preventing P1R-725
interfaces, displaying P1R-447
load balancing P1R-456
metric offset P1R-443
metrics, adjusting P1R-427
neighbor adjacency changes, logging P1R-431, P1R-432
offsets, applying P1R-323
redistribution, metrics for P1R-427
route authentication P1R-433
route feasibility, determining P1R-456
route redistribution P1R-426, P1R-427
route summarization P1R-306, P1R-424
split horizon, enabling P1R-438
timers, adjusting P1R-436, P1R-437
IP Enhanced IGRP (Interior Gateway Routing Protocol)
route summarization P1R-507
ip forward-protocol any-local-broadcast command P1R-27
ip forward-protocol command P1R-25
ip forward-protocol spanning-tree command P1R-28
ip forward-protocol turbo-flood command P1R-30
ip hello-interval eigrp command P1R-436
ip helper-address command P1R-32
ip hold-time eigrp command P1R-437
ip host command P1R-34
ip host-routing command P1R-35
ip hp-host command P1R-36
ip icmp rate-limit unreachable command P1R-184
ip igmp access-group command P1R-813
ip igmp helper-address command P1R-814, P1R-934
ip igmp join-group command P1R-816
ip igmp query-interval command P1R-817
ip igmp query-max-response-time command P1R-819
ip igmp query-timeout command P1R-820
ip igmp static-group command P1R-821
ip igmp unidirectional-link command P1R-935
ip igmp version command P1R-822
ip irdp command P1R-37
ip irdp holdtime command P1R-37
ip irdp maxadvertinterval command P1R-37
ip irdp multicast command P1R-37
ip local policy route-map command P1R-695
ip mask-reply command P1R-185
ip mobile arp command P1R-39
ip mobile foreign-agent command P1R-256
ip mobile foreign-service command P1R-259
ip mobile home-agent address command P1R-265
ip mobile home-agent command P1R-261
ip mobile home-agent standby command P1R-266
ip mobile host command P1R-268
ip mobile prefix-length command P1R-271
ip mobile registration-lifetime command P1R-272
ip mobile secure command P1R-273
ip mobile tunnel command P1R-275
ip mobile virtual-network command P1R-276
ip mrm accept-manager command P1R-950
ip mrm command P1R-949
ip mrm manager command P1R-951
ip mroute command P1R-823
ip msdp border command P1R-899
ip msdp cache-sa-state command P1R-901
ip msdp default-peer command P1R-902
ip msdp description command P1R-904
ip msdp filter-sa-request command P1R-905
ip msdp mesh-group command P1R-906
ip msdp originator-id command P1R-907
ip msdp peer command P1R-908
ip msdp redistribute command P1R-910
ip msdp sa-filter in command P1R-912
ip msdp sa-filter out command P1R-914
ip msdp sa-request command P1R-916
ip msdp shutdown command P1R-918
ip msdp ttl-threshold command P1R-919
ip mtu command P1R-186
ip multicast boundary command P1R-825
ip multicast cache-headers command P1R-671, P1R-826
ip multicast default-rpf-distance command P1R-937
ip multicast helper-map command P1R-828
ip multicast rate-limit command P1R-830
IP multicast routing
access lists P1R-813
Auto-RP
cache, clearing P1R-792
CGMP
clearing P1R-788
enabling P1R-798
proxy P1R-798
desktop conferencing session P1R-860
DVMRP
advertising to neighbors P1R-803
auto-summarization P1R-802
delay between reports P1R-807
reject non-pruning neighbors P1R-808
route hog notification P1R-809
route threshold P1R-809
summary address P1R-811
tunneling P1R-96
unicast routing P1R-812
IGMP
cache P1R-790
helper address P1R-814
host-query message interval P1R-817
query response time P1R-819
query timeout P1R-820
statically connected router member P1R-821
version P1R-822
IP multicast routing table
clearing P1R-791
displaying P1R-871
mrinfo P1R-953
mroute, configuring P1R-823
mrouted P1R-953
multicast groups
displaying P1R-864
hosts joining P1R-813
joining P1R-816
multicast information
displaying P1R-866
Multicast Routing Monitor
beacon messages P1R-946
errors P1R-967
Manager P1R-952
Manager restrictions P1R-950
RTP P1R-968
status report, displaying P1R-967
status report cache buffer, clearing P1R-948
test, conducting P1R-954
test information, displaying P1R-965
test name P1R-951
Test Receiver information, displaying P1R-964
Test Receiver interface P1R-949
Test Receiver parameters P1R-959
Test Sender information, displaying P1R-964
Test Sender interface P1R-949
Test Sender parameters P1R-962
UDP port numbers P1R-966, P1R-969
multicast tree, tracing P1R-955, P1R-957
packet headers, storing P1R-671, P1R-826
PIM
dense mode, enabling P1R-834
enabling P1R-834
filtering P1R-844
information, displaying P1R-879
NBMA mode P1R-843
neighbors, displaying P1R-881
preventing P1R-844
shortest path tree, delaying use P1R-853
sparse-dense mode, enabling P1R-834
sparse mode, enabling P1R-834
PIM sparse mode
join-and-prune message timer P1R-840
router-query messages P1R-845
timers P1R-840
rendezvous point (RP)
configuring address P1R-836, P1R-846
Reverse Path Forwarding (RPF)
displaying P1R-889
RP
assigning to a group P1R-846
Auto-RP, groups covered P1R-851
Auto-RP, mapping agent P1R-852
displaying P1R-883
filter RP announcements P1R-848
RPF P1R-871
displaying P1R-889
sdr
displaying cache P1R-892
listener support P1R-860
session advertisements P1R-860
Session Directory Protocol P1R-860
static route, configuring P1R-823
stub multicast routing P1R-814, P1R-844
Token Ring MAC address mapping P1R-833
TTL, configuring P1R-832
whiteboard applications P1R-860
ip multicast ttl-threshold command P1R-832
ip multicast use-functional command P1R-833
ip name-server command P1R-41
ip nat command P1R-42
ip nat inside destination command P1R-44
ip nat inside source command P1R-46
ip nat outside source command P1R-48
ip nat pool command P1R-50
ip nat translation command P1R-52
ip netmask-format command P1R-54
ip nhrp authentication command P1R-55
ip nhrp holdtime command P1R-56
ip nhrp interest command P1R-57
ip nhrp map command P1R-58
ip nhrp map multicast command P1R-59
ip nhrp max-send command P1R-60
ip nhrp network-id command P1R-61
ip nhrp nhs command P1R-62
ip nhrp record command P1R-63
ip nhrp responder command P1R-64
ip nhrp server-only command P1R-65
ip nhrp trigger-svc command P1R-66
ip nhrp use command P1R-67
ip ospf authentication command P1R-369
ip ospf authentication-key command P1R-370
ip ospf cost command P1R-371
ip ospf database-filter all out command P1R-373
ip ospf dead-interval command P1R-374
ip ospf demand-circuit command P1R-375
ip ospf hello-interval command P1R-376
ip ospf message-digest-key command P1R-377
ip ospf mtu-ignore command P1R-379
ip ospf name-lookup command P1R-380
ip ospf network command P1R-381
ip ospf priority command P1R-383
ip ospf retransmit-interval command P1R-384
ip ospf transmit-delay command P1R-385
ip pgm router command P1R-929
ip pim accept-rp command P1R-836
ip pim border command P1R-837
ip pim bsr-candidate command P1R-838
ip pim command P1R-834
ip pim message-interval command P1R-840
ip pim minimum-vc-rate command P1R-841
ip pim multipoint-signalling command P1R-842
ip pim nbma-mode command P1R-843
ip pim neighbor-filter command P1R-844
ip pim query-interval command P1R-845
ip pim rp-address command P1R-846
ip pim rp-announce-filter command P1R-848
ip pim rp-candidate command P1R-849
ip pim send-rp-announce command P1R-851
ip pim send-rp-discovery command P1R-852
ip pim spt-threshold command P1R-853
ip pim vc-count command P1R-854
ip pim version command P1R-855
ip policy route-map command P1R-697
ip prefix-list description command P1R-554
ip prefix-list sequence-number command P1R-556
ip probe proxy command P1R-69
ip proxy-arp command P1R-70
ip redirects command P1R-187
ip rip authentication key-chain command P1R-310
ip rip authentication mode command P1R-311
ip rip receive version command P1R-312
ip rip send version command P1R-313
ip rip triggered command P1R-314
ip route command P1R-699
ip router isis command P1R-462
ip routing command P1R-71
ip rtp compression-connections command P1R-856
ip rtp header-compression command P1R-857
ip sdr cache-timeout command P1R-859
ip sdr listen command P1R-860
ip source-route command P1R-188
ip split-horizon (RIP) command P1R-316, P1R-318
ip split-horizon command P1R-332
ip split-horizon eigrp command P1R-438
ip subnet-zero command P1R-72
ip summary-address eigrp command P1R-439
ip summary-address rip command P1R-318
ip tcp chunk-size command P1R-189
ip tcp compression-connections command P1R-190