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HP 6125XLG R2306-HP 6125XLG Blade Switch Layer 3 - IP Routing Command Referenc - Page 316

reflect between-clients, Usage guidelines, Examples, Syntax

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route-policy route-policy-name: Specifies a routing policy by its name, a case-sensitive string of 1 to 63 characters, to set the route preference for matching routes. Routes not matching the routing policy use the default preference. Usage guidelines Different routing protocols might find different routes to the same destination. However, not all of those routes are optimal. For route selection, routing protocols, direct routes, and static routes are assigned different preferences. The route with the highest preference is preferred. Configuring the preferences for BGP routes changes the possibility for the routes to become the optimal route. To reference a routing policy to set the preference, you must configure the preference with the apply preference command in the routing policy in advance. Otherwise, all matching routes use the default preference. Examples # In BGP IPv4 unicast instance view, configure preferences for EBGP, IBGP, and local routes as 20, 20, and 200. system-view [Sysname] bgp 100 [Sysname-bgp] ipv4-family unicast [Sysname-bgp-ipv4] preference 20 20 200 # In BGP IPv4 unicast instance view, configure the preference for BGP route 1.1.1.0/24 as 200. system-view [Sysname] ip prefix-list route permit 1.1.1.0 24 [Sysname] route-policy prefer permit node 0 [Sysname-route-policy-prefer-0] if-match ip address prefix-list route [Sysname-route-policy-prefer-0] apply preference 200 [Sysname-route-policy-prefer-0] quit [Sysname] bgp 100 [Sysname-bgp] ipv4-family unicast [Sysname-bgp-ipv4] preference route-policy prefer # In BGP-VPN IPv6 unicast instance view, configure preferences for EBGP, IBGP, and local routes as 20, 20, and 200. system-view [Sysname] bgp 100 [Sysname-bgp] ip vpn-instance vpn1 [Sysname-bgp-vpn1] ipv6-family unicast [Sysname-bgp-ipv6-vpn1] preference 20 20 200 reflect between-clients Use reflect between-clients to enable route reflection between clients. Use undo reflect between-clients to disable this function. Syntax reflect between-clients undo reflect between-clients 305

Section	Page
Title Page	1
Contents	3
Basic IP routing commands	12
display ip routing-table	12
display ip routing-table acl	15
display ip routing-table ip-address	17
display ip routing-table prefix-list	19
display ip routing-table protocol	21
display ip routing-table statistics	22
display ipv6 routing-table	23
display ipv6 routing-table acl	26
display ipv6 routing-table ipv6-address	28
display ipv6 routing-table prefix-list	30
display ipv6 routing-table protocol	31
display ipv6 routing-table statistics	33
display max-ecmp-num	34
max-ecmp-num	34
reset ip routing-table statistics protocol	35
reset ipv6 routing-table statistics protocol	35
Static routing commands	37
delete static-routes all	37
ip route-static	37
ip route-static default-preference	40
RIP commands	41
checkzero	41
default cost	41
default-route	42
display rip	43
display rip database	45
display rip interface	45
display rip route	47
fast-reroute	48
filter-policy export	49
filter-policy import	51
graceful-restart	52
host-route	52
import-route	53
maximum load-balancing	54
network	55
output-delay	56
preference	56
reset rip process	57
reset rip statistics	57
rip	58
rip authentication-mode	59
rip bfd enable	60
rip default-route	60
rip input	61
rip metricin	61
rip metricout	62
rip output	63
rip poison-reverse	64
rip split-horizon	64
rip summary-address	65
rip version	66
silent-interface	67
summary	67
timers	68
validate-source-address	69
version	70
OSPF commands	71
abr-summary (OSPF area view)	71
area (OSPF view)	72
asbr-summary	72
authentication-mode	73
bandwidth-reference (OSPF view)	74
default	75
default-cost (OSPF area view)	75
default-route-advertise (OSPF view)	76
description (OSPF/OSPF area view)	77
display ospf abr-asbr	78
display ospf asbr-summary	79
display ospf brief	80
display ospf cumulative	83
display ospf error	85
display ospf graceful-restart	87
display ospf interface	89
display ospf lsdb	91
display ospf peer	94
display ospf peer statistics	97
display ospf request-queue	98
display ospf retrans-queue	99
display ospf routing	100
display ospf vlink	102
display router id	103
enable link-local-signaling	104
enable out-of-band-resynchronization	104
fast-reroute (OSPF view)	105
filter (OSPF area view)	105
filter-policy export (OSPF view)	106
filter-policy import (OSPF view)	108
graceful-restart (OSPF view)	109
graceful-restart helper enable	110
graceful-restart helper strict-lsa-checking	111
graceful-restart interval (OSPF view)	111
host-advertise	112
import-route (OSPF view)	112
ispf enable	114
log-peer-change	114
lsa-arrival-interval	115
lsdb-overflow-interval	116
lsa-generation-interval	116
lsdb-overflow-limit	117
maximum load-balancing (OSPF view)	118
network (OSPF area view)	118
nssa	119
opaque-capability enable	120
ospf	121
ospf authentication-mode	122
ospf bfd enable	123
ospf cost	124
ospf dr-priority	124
ospf fast-reroute lfa-backup	125
ospf mib-binding	125
ospf mtu-enable	126
ospf network-type	127
ospf timer dead	128
ospf timer hello	128
ospf timer poll	129
ospf timer retransmit	130
ospf trans-delay	130
peer	131
preference	132
reset ospf counters	133
reset ospf process	133
reset ospf redistribution	134
rfc1583 compatible	134
router id	135
silent-interface (OSPF view)	136
snmp-agent trap enable ospf	136
snmp trap rate-limit	138
spf-schedule-interval	138
stub (OSPF area view)	139
stub-router	140
transmit-pacing	141
vlink-peer (OSPF area view)	141
IS-IS commands	144
area-authentication-mode	144
auto-cost enable	145
bandwidth-reference (IS-IS view)	146
circuit-cost	146
cost-style	147
default-route-advertise (IS-IS view)	148
display isis brief	149
display isis graceful-restart status	150
display isis interface	152
display isis lsdb	154
display isis name-table	157
display isis peer	158
display isis redistribute	160
display isis route	161
display isis statistics	164
domain-authentication-mode	166
fast-reroute	167
filter-policy export	168
filter-policy import	169
flash-flood	171
graceful-restart	171
graceful-restart suppress-sa	172
graceful-restart t1	173
graceful-restart t2	173
graceful-restart t3	174
import-route	175
import-route isis level-1 into level-2	176
import-route isis level-2 into level-1	177
import-route limit	178
isis	179
isis authentication-mode	180
isis bfd enable	181
isis circuit-level	182
isis circuit-type p2p	182
isis cost	183
isis dis-name	184
isis dis-priority	184
isis enable	185
isis peer-ip-ignore	186
isis silent	186
isis small-hello	187
isis timer csnp	187
isis timer hello	188
isis timer holding-multiplier	189
isis timer lsp	190
ispf enable	191
is-level	191
is-name	192
is-name map	193
log-peer-change	193
lsp-fragments-extend	194
lsp-length originate	195
lsp-length receive	195
maximum load-balancing (IS-IS view)	196
network-entity	196
preference	197
priority	198
reset isis all	199
reset isis peer	199
set-overload	200
summary (IS-IS view)	201
timer lsp-generation	202
timer lsp-max-age	203
timer lsp-refresh	203
timer spf	204
virtual-system	205
BGP commands	206
advertise-rib-active	206
aggregate	206
balance	209
bestroute as-path-neglect	210
bestroute compare-med	211
bestroute med-confederation	212
bgp	213
compare-different-as-med	214
confederation id	215
confederation nonstandard	216
confederation peer-as	216
dampening	217
default local-preference	219
default med	220
default-route imported	221
display bgp dampening parameter ipv4 unicast	222
display bgp dampening parameter ipv6 unicast	223
display bgp group ipv4 unicast	224
display bgp group ipv6 unicast	225
display bgp network	227
display bgp paths	229
display bgp peer ipv4 unicast	230
display bgp peer ipv6 unicast	233
display bgp routing-table dampened ipv4 unicast	237
display bgp routing-table dampened ipv6 unicast	238
display bgp routing-table flap-info ipv4 unicast	240
display bgp routing-table flap-info ipv6 unicast	242
display bgp routing-table ipv4 unicast	243
display bgp routing-table ipv4 unicast advertise-info	246
display bgp routing-table ipv4 unicast as-path-acl	248
display bgp routing-table ipv4 unicast community-list	249
display bgp routing-table ipv4 unicast peer	250
display bgp routing-table ipv4 unicast statistics	251
display bgp routing-table ipv6 unicast	252
display bgp routing-table ipv6 unicast as-path-acl	255
display bgp routing-table ipv6 unicast community-list	256
display bgp routing-table ipv6 unicast peer	257
display bgp routing-table ipv6 unicast statistics	259
ebgp-interface-sensitive	260
filter-policy export	260
filter-policy import	262
graceful-restart	264
graceful-restart timer restart	265
graceful-restart timer wait-for-rib	265
group	266
ignore-first-as	268
import-route	268
ip vpn-instance (BGP view)	270
ipv4-family	271
ipv6-family	272
log-peer-change	273
network	273
network short-cut	275
peer advertise-community	276
peer advertise-ext-community	277
peer allow-as-loop	279
peer as-number (for a BGP peer)	280
peer as-number (for a BGP peer group)	281
peer as-path-acl	282
peer bfd	283
peer capability-advertise conventional	284
peer capability-advertise route-refresh	286
peer capability-advertise suppress-4-byte-as	287
peer connect-interface	288
peer default-route-advertise	289
peer description	290
peer ebgp-max-hop	291
peer enable	292
peer fake-as	294
peer filter-policy	295
peer group	296
peer ignore	298
peer keep-all-routes	299
peer low-memory-exempt	300
peer next-hop-local	301
peer password	302
peer preferred-value	304
peer prefix-list	305
peer public-as-only	306
peer reflect-client	308
peer route-limit	309
peer route-policy	310
peer route-update-interval	312
peer substitute-as	313
peer timer	314
preference	315
reflect between-clients	316
reflector cluster-id	317
refresh bgp ipv4 unicast	319
refresh bgp ipv6 unicast	320
reset bgp all	321
reset bgp dampening ipv4 unicast	321
reset bgp dampening ipv6 unicast	322
reset bgp flap-info ipv4 unicast	323
reset bgp flap-info ipv6 unicast	324
reset bgp ipv4 unicast	324
reset bgp ipv6 unicast	325
router id (system view)	326
router-id (BGP view, BGP-VPN instance view)	327
summary automatic	328
timer	328
Policy-based routing commands	331
apply next-hop	331
display ip policy-based-route	332
display ip policy-based-route interface	332
display ip policy-based-route setup	334
if-match acl	335
ip policy-based-route	335
policy-based-route	336
reset ip policy-based-route statistics	337
IPv6 static routing commands	338
delete ipv6 static-routes all	338
ipv6 route-static	338
ipv6 route-static default-preference	340
RIPng commands	342
checkzero	342
default cost	342
display ripng	343
display ripng database	344
display ripng interface	345
display ripng route	346
filter-policy export	347
filter-policy import	348
graceful-restart	349
import-route	350
maximum load-balancing	350
preference	351
reset ripng process	352
reset ripng statistics	352
ripng	353
ripng default-route	353
ripng enable	354
ripng metricin	355
ripng metricout	355
ripng poison-reverse	356
ripng split-horizon	356
ripng summary-address	357
timers	358
OSPFv3 commands	360
abr-summary (OSPFv3 area view)	360
area	360
bandwidth-reference	361
default-cost (OSPFv3 area view)	362
default-route-advertise (OSPFv3 view)	362
display ospfv3 abr-asbr	364
display ospfv3 brief	365
display ospfv3 graceful-restart status	366
display ospfv3 interface	367
display ospfv3 lsdb	369
display ospfv3 peer	372
display ospfv3 request-queue	374
display ospfv3 retrans-queue	376
display ospfv3 routing	377
display ospfv3 statistics	378
display ospfv3 vlink	380
filter (OSPFv3 area view)	381
filter-policy export (OSPFv3 view)	382
filter-policy import (OSPFv3 view)	383
graceful-restart enable	384
graceful-restart helper enable	385
graceful-restart helper strict-lsa-checking	386
graceful-restart interval	386
import-route (OSPFv3 view)	387
log-peer-change	388
lsa-generation-interval	389
maximum load-balancing (OSPFv3 view)	390
ospfv3	390
ospfv3 area	391
ospfv3 bfd enable	392
ospfv3 cost	392
ospfv3 dr-priority	393
ospfv3 mtu-ignore	394
ospfv3 network-type	394
ospfv3 peer	395
ospfv3 timer dead	396
ospfv3 timer hello	397
ospfv3 timer poll	397
ospfv3 timer retransmit	398
ospfv3 trans-delay	399
preference	399
silent-interface(OSPFv3 view)	400
router-id	401
spf-schedule-interval	402
stub (OSPFv3 area view)	403
vlink-peer (OSPFv3 area view)	403
IPv6 IS-IS configuration commands	405
display isis redistribute ipv6	405
display isis route ipv6	406
ipv6 default-route-advertise	409
ipv6 enable	410
ipv6 filter-policy export	410
ipv6 filter-policy import	412
ipv6 import-route	413
ipv6 import-route isisv6 level-1 into level-2	414
ipv6 import-route isisv6 level-2 into level-1	415
ipv6 import-route limit	415
ipv6 maximum load-balancing	416
ipv6 preference	417
ipv6 summary	417
isis ipv6 bfd enable	418
isis ipv6 enable	419
IPv6 policy-based routing commands	420
apply next-hop	420
display ipv6 policy-based-route	421
display ipv6 policy-based-route interface	421
display ipv6 policy-based-route setup	423
if-match acl	424
ipv6 policy-based-route (interface view)	424
ipv6 policy-based-route (system view)	425
reset ipv6 policy-based-route statistics	426
Routing policy configuration commands	427
Common routing policy configuration commands	427
apply as-path	427
apply comm-list delete	427
apply community	428
apply cost	429
apply cost-type	430
apply extcommunity	431
apply isis	431
apply local-preference	432
apply origin	433
apply preference	433
apply preferred-value	434
apply tag	435
continue	435
display ip as-path	436
display ip community-list	436
display ip extcommunity-list	437
display route-policy	438
if-match as-path	439
if-match community	439
if-match cost	440
if-match extcommunity	441
if-match interface	442
if-match local-preference	442
if-match route-type	443
if-match tag	444
ip as-path	444
ip community-list	445
ip extcommunity-list	447
route-policy	447
IPv4 routing policy configuration commands	448
apply fast-reroute	448
apply ip-address next-hop	449
display ip prefix-list	450
if-match ip	451
ip prefix-list	452
reset ip prefix-list	453
IPv6 routing policy configuration commands	453
apply ipv6 next-hop	453
display ipv6 prefix-list	454
if-match ipv6	455
ipv6 prefix-list	456
reset ipv6 prefix-list	457
Support and other resources	458
Contacting HP	458
Subscription service	458
Related information	458
Documents	458
Websites	458
Conventions	459
Command conventions	459
GUI conventions	459
Symbols	459
Network topology icons	460
Port numbering in examples	460

Match case Limit results 1 per page

305

route-policy

route-policy-name

: Specifies a routing policy by its name, a case-sensitive string of 1 to 63

characters, to set the route preference for matching routes. Routes not matching the routing policy use the

default preference.

Usage guidelines

Different routing protocols might find different routes to the same destination. However, not all of those

routes are optimal. For route selection, routing protocols, direct routes, and static routes are assigned

different preferences. The route with the highest preference is preferred.

Configuring the preferences for BGP routes changes the possibility for the routes to become the optimal

route.

To reference a routing policy to set the preference, you must configure the preference with the

apply

preference

command in the routing policy in advance. Otherwise, all matching routes use the default

preference.

Examples

# In BGP IPv4 unicast instance view, configure preferences for EBGP, IBGP, and local routes as 20, 20,

and 200.

<Sysname> system-view

[Sysname] bgp 100

[Sysname-bgp] ipv4-family unicast

[Sysname-bgp-ipv4] preference 20 20 200

# In BGP IPv4 unicast instance view, configure the preference for BGP route 1.1.1.0/24 as 200.

<Sysname> system-view

[Sysname] ip prefix-list route permit 1.1.1.0 24

[Sysname] route-policy prefer permit node 0

[Sysname-route-policy-prefer-0] if-match ip address prefix-list route

[Sysname-route-policy-prefer-0] apply preference 200

[Sysname-route-policy-prefer-0] quit

[Sysname] bgp 100

[Sysname-bgp] ipv4-family unicast

[Sysname-bgp-ipv4] preference route-policy prefer

# In BGP-VPN IPv6 unicast instance view, configure preferences for EBGP, IBGP, and local routes as 20,

20, and 200.

<Sysname> system-view

[Sysname] bgp 100

[Sysname-bgp] ip vpn-instance vpn1

[Sysname-bgp-vpn1] ipv6-family unicast

[Sysname-bgp-ipv6-vpn1] preference 20 20 200

reflect between-clients

Use

reflect between-clients

to enable route reflection between clients.

Use

undo reflect between-clients

to disable this function.

Syntax

reflect between-clients

undo reflect between-clients