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sflow sampling-rate

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Default level 2: System level Parameters determine: Specifies the fixed sampling mode. For example, if the flow sampling interval is set to 4000 (by using the sflow sampling-rate command), the device randomly samples a packet, like the tenth packet, from the first 4000 packets. The next time the device samples the 4010th packet, and so on. random: Specifies the random sampling mode. After the sampling interval is specified with the sflow sampling-rate command, a device samples zero, one, or multiple packets from each group of sampled packets. Generally, one packet is sampled from each group of sampled packets. For example, with the packet sampling rate set to 4000, the device may sample one packet from the first 4000 packets, two from the next 4000 packets, and none from the third 4000 packets, but generally the device samples one packet from 4000 packets. Description Use sflow sampling-mode to specify the packet sampling mode. Use undo sflow sampling-mode to restore the default. The default mode is random. This command is supported only on physical Ethernet interfaces, but not on logical interfaces (such as VLAN interfaces). Related commands: sflow sampling-rate. NOTE: The switch does not support the flow sampling mode determine. Examples # Specify the random sample mode on GigabitEthernet1/0/1. system-view [Sysname] interface gigabitethernet 1/0/1 [Sysname-GigabitEthernet1/0/1] sflow sampling-mode random sflow sampling-rate Syntax sflow sampling-rate interval View undo sflow sampling-rate Layer 2 Ethernet interface view Default level 2: System level Parameters interval: Specifies the number of packets out of which the interface will sample a packet, ranging from 1000 to 500000. 174

Section	Page
Title Page	1
Network Management and Monitoring Command Reference	3
Ping, tracert, and system debugging commands	7
Ping and tracert commands	7
ping	7
ping ipv6	11
tracert	13
tracert ipv6	15
System debugging commands	16
debugging	16
display debugging	17
NTP configuration commands	18
display ntp-service sessions	18
display ntp-service status	22
display ntp-service trace	23
ntp-service access	24
ntp-service authentication enable	25
ntp-service authentication-keyid	26
ntp-service broadcast-client	27
ntp-service broadcast-server	27
ntp-service dscp	28
ntp-service in-interface disable	29
ntp-service max-dynamic-sessions	29
ntp-service multicast-client	30
ntp-service multicast-server	31
ntp-service reliable authentication-keyid	31
ntp-service source-interface	32
ntp-service unicast-peer	33
ntp-service unicast-server	34
Information center configuration commands	35
display channel	35
display info-center	36
display logbuffer	38
display logbuffer summary	40
display trapbuffer	41
enable log updown	42
info-center channel name	43
info-center console channel	43
info-center enable	44
info-center format unicom	44
info-center logbuffer	45
info-center loghost	46
info-center loghost source	47
info-center monitor channel	48
info-center snmp channel	49
info-center source	49
info-center synchronous	51
info-center syslog channel	52
info-center timestamp	53
info-center timestamp loghost	54
info-center trapbuffer	55
reset logbuffer	55
reset trapbuffer	56
terminal debugging	56
terminal logging	57
terminal monitor	57
terminal trapping	58
SNMP configuration commands	60
display snmp-agent community	60
display snmp-agent group	61
display snmp-agent local-engineid	62
display snmp-agent mib-view	63
display snmp-agent statistics	65
display snmp-agent sys-info	66
display snmp-agent trap queue	67
display snmp-agent trap-list	68
display snmp-agent usm-user	69
enable snmp trap updown	70
snmp-agent	71
snmp-agent calculate-password	72
snmp-agent community	73
snmp-agent group	74
snmp-agent local-engineid	75
snmp-agent log	76
snmp-agent ifmib long-ifindex enable	77
snmp-agent mib-view	78
snmp-agent packet max-size	79
snmp-agent packet response dscp	79
snmp-agent sys-info	80
snmp-agent target-host	81
snmp-agent trap enable	82
snmp-agent trap if-mib link extended	84
snmp-agent trap life	85
snmp-agent trap queue-size	86
snmp-agent trap source	86
snmp-agent usm-user { v1 \| v2c }	87
snmp-agent usm-user v3	88
RMON configuration commands	92
display rmon alarm	92
display rmon event	93
display rmon eventlog	94
display rmon history	96
display rmon prialarm	98
display rmon statistics	100
rmon alarm	102
rmon event	104
rmon history	105
rmon prialarm	106
rmon statistics	108
Port mirroring configuration commands	109
display mirroring-group	109
mirroring-group	110
mirroring-group mirroring-port	111
mirroring-group monitor-egress	112
mirroring-group monitor-port	113
mirroring-group remote-probe vlan	114
mirroring-port	115
monitor-port	116
Traffic mirroring configuration commands	117
mirror-to	117
NQA configuration commands	118
NQA client configuration commands	118
advantage-factor	118
codec-type	118
data-fill	119
data-size	120
description (any NQA operation view)	121
destination ip	121
destination port	122
display nqa history	122
display nqa reaction counters	124
display nqa result	126
display nqa statistics	130
filename	136
frequency	137
history-record enable	137
history-record keep-time	138
history-record number	138
http-version	139
mode	140
next-hop	140
nqa	141
nqa agent enable	142
nqa agent max-concurrent	142
nqa schedule	143
operation (FTP operation view)	144
operation (HTTP operation view)	144
operation interface	145
password (FTP operation view)	145
probe count	146
probe packet-interval	147
probe packet-number	148
probe packet-timeout	148
probe timeout	149
reaction checked-element icpif	150
reaction checked-element { jitter-ds \| jitter-sd }	151
reaction checked-element mos	152
reaction checked-element { owd-ds \| owd-sd }	153
reaction checked-element packet-loss	154
reaction checked-element probe-duration	155
reaction checked-element probe-fail (for trap)	157
reaction checked-element probe-fail (for trigger)	158
reaction checked-element rtt	159
reaction trap	160
resolve-target	161
route-option bypass-route	161
source interface	162
source ip	163
source port	163
statistics hold-time	164
statistics max-group	164
statistics interval	165
tos	166
ttl	166
type	167
url	168
username (FTP operation view)	168
vpn-instance (ICMP echo operation view)	169
NQA server configuration commands	169
display nqa server status	170
nqa server enable	171
nqa server tcp-connect	171
nqa server tcp-connect tos	172
nqa server udp-echo	172
nqa server udp-echo tos	173
sFlow configuration commands	174
display sflow	174
sflow agent	175
sflow collector	176
sflow counter interval	177
sflow counter collector	178
sflow flow collector	178
sflow flow max-header	179
sflow sampling-mode	179
sflow sampling-rate	180
sflow source	181
IPC configuration commands	182
display ipc channel	182
display ipc link	183
display ipc multicast-group	184
display ipc node	185
display ipc packet	185
display ipc performance	187
display ipc queue	188
ipc performance enable	189
reset ipc performance	190
Support and other resources	191
Contacting HP	191
Subscription service	191
Related information	191
Documents	191
Websites	191
Conventions	192
Command conventions	192
GUI conventions	192
Symbols	192
Network topology icons	193
Port numbering in examples	193