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Cisco IOS IP Accounting Features

Chapter Description

This chapter describes the IP Accounting features in Cisco IOS and enables you to distinguish the different IP Accounting functions and understand SNMP MIB details. This chapter also provides a command-line reference.

Applicability

Table 6-1 compares the four different variations of IP Accounting and relates them to the fundamental questions that were discussed in Chapter 2.

Comparison of the Different IP Accounting Features

Criterion

IP Accounting (Layer 3)

IP Accounting ACL

IP Accounting MAC Address

IP Accounting Precedence

What to collect (data collection details)?

Total traffic (packets and bytes) per:

IP source address

IP destination address

Total traffic (packets and bytes) per failed ACL:

IP source address

IP destination address

ACL identifier

Total traffic (packets and bytes) per:

Source MAC address

Destination MAC address

Total traffic (packets and bytes) per:

Eight different IP precedence values

Where to collect?

Edge or core, LAN or WAN (any interface type)

Edge or core, LAN or WAN (any interface type)

Edge: LAN interface types only

Edge or core, LAN or WAN (any interface type)

How to configure?

CLI (scripts)

CLI (scripts)

CLI (scripts)

CLI (scripts)

How to collect?

Pull model:

CLI (scripts)

SNMP

Pull model:

CLI (scripts)

SNMP

Pull model:

CLI (scripts)

SNMP

Pull model:

CLI (scripts)

SNMP

How to identify the user?

IP address

IP address

MAC address

Not available

Use case example

Network monitoring and planning, user monitoring, usage-based billing

Security analysis

Security analysis, network monitoring and planning, user monitoring, usage-based billing, peering agreements

Network QoS monitoring and planning

Additional details

Only 32-bit SNMP counters

Two different databases provide a global “snapshot” of the network

Only 32-bit SNMP counters

Two different databases provide a global “snapshot” of the network

32-bit and 64-bit SNMP counters

32-bit and 64-bit SNMP counters