Table 8-2 relates the BGP Policy Accounting properties to the fundamental questions discussed in Chapter 2.
Table 8-2. Comparison of the Different BGP Policy Accounting Features
| Criterion | BGP Policy Accounting |
|---|
| What to collect (data collection details)? | Total traffic (packets and bytes):
|
| Where to collect? | Edge of the network, on the BGP-enabled routers |
| How to configure? | CLI commands or scripts |
| How to collect? | Pull model: CLI commands or scripts
SNMP |
| How to identify the user? | With the (sub)interface, because the counters are distinctive per (sub)interface |
| Use case example | Destination-sensitive billing Source-sensitive billing Network-wide capacity planning Traffic profiling and engineering Peering and transit agreements |
| Additional details | 64-bit SNMP countersNumber of buckets: 8 or 64, globally defined, depending on the platforms and Cisco IOS version |