Cisco Catalyst 4500 Series, Software Configuration Manual

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Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.xE and IOS 15.2(5)Ex
Chapter 74 Configuring Flexible NetFlow
Non-VSS Environment
Configuring Flow Monitor Cache Values
Setting active cache timeout to a small value may cause the flows to be exported more frequently to the
remote collector. This also causes software to delete flows from the local cache after exporting. So, cache
statistics reported by switch may not display the actual flows being monitored.
source-port TCP source port
UDP Header Fields
destination-port UDP destination port
source-port UDP source port
ICMP Header Fields
code ICMP code
type ICMP type
IGMP Header Fields
type IGMP
Interface Fields
input Input interface index
output Output interface index Output interface can be
supported only as
non-key.
Flexible NetFlow feature related fields
direction: input
Counter Fields
bytes 32 bit counters
bytes long 64 bit counter
packets 32 bit counters
packets long 64 bit counter of the
packets in the flow
Timestamp
first seen Time-stamp of the first
packet that is accounted
in the flow (in
milliseconds, starting
from the router boot-up) 3 sec accuracy
last seen Time-stamp of the last
packet that is accounted
in the flow (in
milliseconds, starting
from the router boot-up) 3 sec accuracy
Table 74-6 Options Available through FNF and the Supported Fields
Field Description Comments