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Dell PowerConnect M6220 User's Guide - Page 248

sFlow Agent Summary, System, sFlow, Agent Summary

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• The collector can analyze traffic patterns for whatever protocols are found in the headers (e.g. TCP/IP, IPX, Ethernet, AppleTalk...), which means there is no need for a layer 2 switch to decode and understand all protocols. sFlow Agent Summary Packet Flow Sampling and Counter Sampling are performed by sFlow Instances associated with individual data sources within the sFlow Agent. Packet Flow Sampling and Counter Sampling are designed as part of an integrated system. Both types of samples are combined in sFlow datagrams. Packet Flow Sampling will cause a steady, but random, stream of sFlow datagrams to be sent to the sFlow Collector. Counter samples may be taken opportunistically in order to fill these datagrams. In order to perform Packet Flow Sampling, an sFlow Sampler Instance is configured with a Sampling Rate. The Packet Flow sampling process results in the generation of Packet Flow Records. In order to perform Counter Sampling, the sFlow Poller Instance is configured with a Polling Interval, The Counter Sampling process results in the generation of Counter Records. The sFlow Agent collects Counter Records and Packet Flow Records and sends them in the form of sFlow datagrams to sFlow Collectors. To access the sFlow Agent Summary page, click System > sFlow > Agent Summary in the navigation tree. Figure 6-120. sFlow Agent Summary 246 Configuring System Information

Section	Page
User’s Guide	1
Introduction	17
Switching Features	20
Port-Based Features	22
Spanning Tree Protocol Features	25
IPv6	30
OSPFv3	31
Quality of Service Features	31
Multicast Features	32
CLI Documentation	34
Using Dell™ OpenManage™ Switch Administrator	35
Understanding the Interface	37
Check Boxes	43
Defining Fields	43
Accessing the Switch Through the CLI	43
Console Connection	44
Using the CLI	44
Cable and Port Information	47
Overview	47
Power Connection	50
Hardware Description	51
Overview	51
PowerConnect Front Panel	52
Console (RS-232) Port	55
Configuring Dell™ PowerConnect™	65
Overview	65
Starting the CLI	66
General Configuration Information	68
Baud Rate	68
Booting the Switch	69
Configuration Overview	75
Advanced Configuration	80
Boot Menu Functions	89
Delete Backup Image	93
Activate Backup Image	94
Sample Configuration Process	95
Switch Setup Requirements	95
Configuring System Information	105
Overview	105
Managing Logs	124
Setting the Operational Mode	132
Defining IP Addressing	134
Out of Band Interface	135
Running Cable Diagnostics	145
Managing Device Security	149
Captive Portal	188
Defining SNMP Parameters	209
File Management	231
Defining Advanced Settings	238
Defining Stacking	240
sFlow	247
Industry Standard Discovery Protocol	255
Configuring Switching Information	261
Overview	261
Configuring Ports	287
Configuring Traffic Mirroring	298
Configuring Address Tables	302
Configuring GARP	307
Configuring the Spanning Tree Protocol	310
Configuring VLANs	324
Configuring Voice VLAN	347
Aggregating Ports	349
Managing Multicast Support	355
IGMP Snooping	362
MRouter Status	371
MLD Snooping	372
Configuring the Link Layer Discovery Protocol (LLDP)	379
Creating Link Dependencies	386
Dynamic ARP Inspection	389
DHCP Snooping	397
DHCP Relay	410
Using the Port Aggregator Feature	416
Viewing Statistics and Remote Monitoring	423
Overview	423
Table Views	424
RMON	433
Charts	448
Configuring Routing	453
Overview	453
IP	458
OSPF	465
BOOTP/DHCP Relay Agent	499
IP Helper	502
RIP	509
Router Discovery	520
Router	523
VLAN Routing	533
VRRP	536
Tunnels	546
Loopbacks	551
Configuring IPv6	559
Overview	559
Global Configuration	560
Interface Configuration	561
Interface Summary	564
IPv6 Statistics	565
IPv6 Neighbor Table	570
DHCPv6	571
OSPFv3	586
IPv6 Routes	616
Configuring Quality of Service	623
Quality of Service Overview	623
Configuring Differentiated Services	624
Class of Service	641
Auto VoIP	650
Configuring IP Multicast	653
Overview	653
Multicast Listener Discovery	666
Distance Vector Multicast Routing Protocol	679
Internet Group Management Protocol	688
Protocol Independent Multicast-Dense Mode	703
Protocol Independent Multicast-Sparse Mode	716
Getting Help	731
Dell Enterprise Training and Certification	733
Problems With Your Order	733
Product Information	734
Returning Items for Warranty Repair or Credit	734
Before You Call	734

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246

Configuring System Information

•

The collector can analyze traffic patterns for whatever protocols are found in the headers (e.g. TCP/IP,

IPX, Ethernet, AppleTalk…), which means there is no need for a layer 2 switch to decode and

understand all protocols.

sFlow Agent Summary

Packet Flow Sampling and Counter Sampling are performed by sFlow Instances associated with

individual data sources within the sFlow Agent. Packet Flow Sampling and Counter Sampling are

designed as part of an integrated system. Both types of samples are combined in sFlow datagrams. Packet

Flow Sampling will cause a steady, but random, stream of sFlow datagrams to be sent to the sFlow

Collector. Counter samples may be taken opportunistically in order to fill these datagrams.

In order to perform Packet Flow Sampling, an sFlow Sampler Instance is configured with a Sampling

Rate. The Packet Flow sampling process results in the generation of Packet Flow Records. In order to

perform Counter Sampling, the sFlow Poller Instance is configured with a Polling Interval, The Counter

Sampling process results in the generation of Counter Records. The sFlow Agent collects Counter

Records and Packet Flow Records and sends them in the form of sFlow datagrams to sFlow Collectors.

To access the sFlow Agent Summary page, click

System

sFlow

Agent Summary

in the navigation

tree.

Figure 6-120.

sFlow Agent Summary