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Table Of Contents

NetFlow Records: Formats and Field Contents

NetFlow

NetFlow Field Types


NetFlow Records: Formats and Field Contents


This chapter describes the fields that may be contained in a NetFlow record.

NetFlow records can be generated for the data contained in the following RDRs:

Subscriber Usage RDR (SUR)

Package Usage RDR (PUR)

Link Usage RDR (LUR)

Virtual Link Usage RDR (VUR)

Malicious Usage RDR (MALUR)

NetFlow 

NetFlow Field Types 

NetFlow

The Cisco Service Control Application for Broadband (SCA BB) supports NetFlow v5 and v9.

For more information about NetFlow, refer to

Cisco IOS NetFlow Version 9 Flow-Record Format, EDCS-307741

RFC 3954

NetFlow Field Types

Table 3-1 NetFlow Fields  

Field Type
Value
Length (Bytes)
Description

sceSubscriberId

300

64

The subscriber identification string, introduced through the subscriber management interfaces. For an unknown subscriber this field may contain an empty string. The string is padded with zeros.

scePackageId

301

2

The ID of the service configuration package/profile assigned to the subscriber.

sceServiceId

302

4

The service classification of the reported session.

sceProtocolId

303

2

The unique ID of the protocol associated with the reported session.

The PROTOCOL_ID will be the Generic IP / Generic TCP / Generic UDP protocol ID value, according to the specific transport protocol of the transaction, unless a more specific protocol definition (such as a signature-based or a port-based protocol) that matches the reported session is assigned to a service.

sceSkipppedSessions

304

4

The number of unreported sessions since the previous reporting record of this kind.

sceInitiatingSide

305

1

The initiating side of the transaction:

0—Subscriber side

1—Network side

sceReportTime

306

4

Ending time stamp of this reporting record. The field is in UNIX time_t format, which is the number of seconds since midnight of 1 January 1970.

sceTransactionDurationMillisec

307

4

Duration, in milliseconds, of the transaction reported in this reporting record.

sceTimeFrame

308

1

Which of the four possible time frames was used for the period during which the reporting record was generated.

The field takes a value in the range 0 to 3.

sceSessionUpstreamVolume

309

4

Upstream volume of the transaction, in bytes. The volume refers to the aggregated upstream volume on both links of all the flows bundled in the transaction.

sceSessionDownstreamVolume

310

4

Downstream volume of the transaction, in bytes. The volume refers to the aggregated downstream volume on both links of all the flows bundled in the transaction.

sceIpProtocolType

311

1

The IP protocol type.

sceProtocolSignature

312

4

The ID of the protocol signature associated with this session

sceZoneId

313

4

The ID of the zone associated with this session

sceFlavorId

314

4

For protocol signatures that have flavors, this field contains the ID of the flavor associated with this session.

sceFlowCloseMode

315

1

The reason for the end of the flow.

 

316-319

 

Reserved.

sceAccessString

320

128, 256, 512, 1024

A Layer 7 property, extracted from the transaction.

sceInfoString

324

128, 256, 512, 1024

A Layer 7 property, extracted from the transaction.

 

328-350

 

Reserved.

sceServiceUsageSubscriberCounterId

351

2

Each service is mapped to a counter. There are 32 counters in the subscriber scope.

sceBreachState

352

1

Indicates whether the subscriber's quota was breached:

0—The quota was not breached

1—The quota was breached

sceReason

353

1

The reason that the reporting record was generated:

0—Periodic record

1—Subscriber logout

2—Package switch

3—Wraparound

4—End of aggregation period

sceConfiguredDuration

354

4

Configured period, in seconds, between successive reporting records.

sceDuration

355

4

The number of seconds that have passed since the previous reporting record of this type.

sceEndTime

356

4

Ending time stamp of this reporting record. The field is in UNIX time_t format, which is the number of seconds since midnight of 1 January 1970

sceUpstreamVolume

357

4

Aggregated upstream volume on both links of all sessions, in kilobytes, for the current reporting period.

sceDownstreamVolume

358

4

Aggregated downstream volume on both links of all sessions, in kilobytes, for the current reporting period.

sceSessions

359

2

Aggregated number of sessions for the reported service, for the current reporting period.

sceSeconds

360

2

Aggregated number of session seconds for the reported service, for the current reporting period.

scePackageCounterId

361

2

Each package is mapped to a counter. There are 64 package usage counters.

sceGeneratorId

362

1

A numeric value identifying the processor generating the reporting record.

sceServiceGlobalCounterId

363

2

Each service is mapped to a counter. There 64 global usage counters

sceConcurrentSessions

364

4

Concurrent number of sessions using the reported service when this reporting record was generated.

sceActiveSubscribers

365

4

Concurrent number of subscribers using the reported service when this reporting record was generated.

sceTotalActiveSubscribers

366

4

Concurrent number of subscribers in the system when this reporting record was generated.

sceLinkId

367

1

A numeric value associated with the reported network link:

0—Physical link 1

1—Physical link 2

sceVirtualLinkId

368

1

A numeric value associated with the reported virtual network link.

 

369-399

 

Reserved

sceAttackId

400

4

Unique attack ID.

sceAttackIp

401

4

The IP address related to this attack.

sceAttackOtherIp

402

4

The other IP address related to this attack if it exists, -1 otherwise.

sceAttackPortNumber

403

2

The port number related to this attack if one exists (if this is an IP scan, for example), -1 otherwise.

sceAttackType

404

4

Who sceAttackIp belongs to:

0—Attacked

1—Attacker

sceAttackSide

405

1

The IP address side:

0—Subscriber

1—Network

sceAttackIpProtocol

406

1

The IP protocol type:

0—Other

1—ICMP

6—TCP

17—UDP

sceAttacks

407

1

The number of attacks in the current reporting period. Since attack reports are generated per attack, the value is 0 or 1.

sceAttackMaliciousSessions

408

4

Aggregated number of sessions for the reported attack, for the current reporting period. If the SCE platform blocks the attack, this field takes the value -1.

 

409-499

 

Reserved



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Posted: Thu May 31 03:03:36 PDT 2007
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