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Sample types for the alarm group and the private alarm group
The RMON agent supports the following sample types:
• absolute—RMON compares the value of the monitored variable with the rising and falling
thresholds at the end of the sampling interval.
• delta—RMON subtracts the value of the monitored variable at the previous sample from the current
value, and then compares the difference with the rising and falling thresholds.
Protocols and standards
• RFC 4502, Remote Network Monitoring Management Information Base Version 2
• RFC 2819, Remote Network Monitoring Management Information Base Status of this Memo
Configuring the RMON statistics function
RMON implements the statistics function through the Ethernet statistics group and the history group.
The Ethernet statistics group provides the cumulative statistic for a variable from the time the statistics entry
is created to the current time. For more information about the configuration, see "Creating an RMON
Ether
net statistics entry."
The history group provides statistics that are sampled for a variable for each sampling interval. The
history group uses the history control table to control sampling, and it stores samples in the history table.
For more information about the configuration, see "Creating an RMON history control entry."
Creating an RMON Ethernet statistics entry
Ste
p
Command
Remarks
1. Enter system view.
system-view N/A
2. Enter Ethernet
interface view.
interface interface-type
interface-number
N/A
3. Create an entry for
the interface in the
RMON statistics
table.
rmon statistics entry-number [ owner
text ]
By default, the RMON statistics table does
not contain entries.
You can create one statistics entry for
each Ethernet interface, and up to 100
statistics entries on the device. After the
entry limit is reached, you cannot add
new entries.
Creating an RMON history control entry
You can configure multiple history control entries for one interface, but you must make sure their entry
numbers and sampling intervals are different.
You can create a history control entry successfully even if the specified bucket size exceeds the available
history table size. RMON will set the bucket size as closely to the expected bucket size as is possible.
- H3C MSR Series Routers 1
- Preface 3
- Conventions 4
- Obtaining documentation 5
- Technical support 5
- Documentation feedback 5
- We appreciate your comments 6
- Contents 7
- Ping example 14
- Tracert 16
- Prerequisites 17
- Tracert example 17
- System debugging 19
- Configuring NQA 21
- Collaboration 22
- Threshold monitoring 22
- NQA configuration task list 23
- Configuring the NQA server 23
- Enabling the NQA client 24
- Threshold types 37
- Triggered actions 37
- Reaction entry 37
- Configuring the DNS template 42
- Configuring the TCP template 43
- Configuring the FTP template 45
- NQA configuration examples 47
- Configuring NTP 72
- NTP architecture 73
- Association modes 74
- NTP security 76
- NTP for MPLS VPNs 77
- Configuration task list 78
- Enabling the NTP service 78
- Configuration procedure 100
- Network requirements 101
- Configuring SNTP 116
- SNTP configuration example 118
- Configuring SNMP 120
- SNMP operations 121
- Protocol versions 121
- Configuring SNMP logging 125
- Enabling SNMP notifications 126
- Configuration guidelines 127
- Configuration prerequisites 127
- Displaying the SNMP settings 129
- { Specify SNMPv1 130
- SNMPv3 configuration example 131
- Configuring RMON 133
- Alarm group 134
- Private alarm group 134
- Protocols and standards 135
- Configuring NETCONF 142
- NETCONF message format 143
- FIPS compliance 144
- Enabling NETCONF over SOAP 145
- Entering xml view 146
- Exchanging capabilities 146
- Subscription procedure 147
- Verifying the configuration 148
- Locking the configuration 149
- Unlocking the configuration 150
- Saving the configuration 159
- Loading the configuration 160
- Filtering data 161
- Conditional match 162
- CLI operation example 167
- Configuration example 170
- Returning to the CLI 171
- Appendix 172
- Configuring port mirroring 182
- Configuring samplers 188
- Configuring NetStream 190
- Key NetStream technologies 191
- NetStream export formats 194
- NetStream filtering 194
- NetStream sampling 194
- Flow aging methods 198
- Configuring sFlow 208
- Configuring flow sampling 209
- Configuring counter sampling 210
- Verifying the configurations 212
- Overview 213
- Log destinations 214
- Log formats 215
- Saving logs to a log file 220
- Managing security logs 222
- UNIX log host 227
- Configuring EAA 230
- Elements in a monitor policy 231
- EAA environment variables 232
- System-defined variables 233
- Configuring a monitor policy 234
- Suspending monitor policies 237
- Configuration examples 238
- Monitoring kernel threads 241
- ] [ verbose ] 243
- ] [ verbose ] 243
- Task Command 244
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