netflow配置总结
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2014-04-08
10:38:59
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Net Flow Congure
Prerequisites for Conguring SNMP and the NetFlow MIB to
Monitor NetFlow Data
Before you enable NetFlow you must:
Configure the router for IP routing
Ensure that one of the following is enabled on your router, and on the interfaces that you
want to configure NetFlow on: Cisco Express Forwarding (CEF), distributed CEF, or fast
switching
Understand the resources required on your router because NetFlow consumes additional
memory and CPU resources
Configure SNMP on the router on which the NetFlow MIB feature is to be used
Restricons for Conguring SNMP and the NetFlow MIB to Monitor
NetFlow Data
Cisco IOS Releases 12.2(14)S, 12.0(22)S, or 12.2(15)T
If your router is running a version of Cisco IOS prior to releases 12.2(14)S, 12.0(22)S, or 12.2(15)T
the ip route-cache flow command is used to enable NetFlow on an interface.
If your router is running Cisco IOS release 12.2(14)S, 12.0(22)S, 12.2(15)T, or later the ip flow
ingress command is used to enable NetFlow on an interface.
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