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CONFIGURING IP COUNT
This chapter contains information on the following topics:
■ IP Count Introduction
■ IP Count Configuration
■ Display and Debug IP Count
■ Typical Configuration Example
■ Troubleshooting
IP Count Introduction IP Count makes the statistics about the input and output packets, and the packets
denied by the firewall as well. When making the statistics, the router classifies the
bidirectional (in and out) IP packets by testing whether they match any IP Count
lists and whether they are denied by the firewall. At the same time of making data
statistics, the total numbers of packets and bytes are recorded.
As shown in the following figure, if IP Count has been enabled on the output
interface Ethernet1, the statistics will be made on the flows transmitted from this
interface to the network B. A flow destined for the B network can be identified by
an IP triplet (source address, destination address and protocol). Through the
statistics that has been made, you can know the outgoing traffic size. If a firewall
for filtering outgoing packets has been configured on the interface, IP Count will
record the addresses from which the packets are denied by the firewall, and make
the statistics on the denied packets and bytes.
Likewise, if IP Count is enabled on the incoming interface Ethenet0, the statistics
will be made on the flows from the A network to the router. If a firewall for
filtering the incoming packets has been enabled on the interface, the IP Count
module can make statistics on the packets denied by the firewall.