Often asked: What Differences Between Flow Exporter And Flow Monitor?

What is a flow exporter?

Flow exporter is a tool that can take flow data (Netflow, sFlow, IPFIX) from Kafka and export it to Prometheus. These flow records can be helpful to visualize which autonomous systems traffic is coming from and going to.

What is flow monitor?

The Flow Monitor module goal is to provide a flexible system to measure the performance of network protocols. The module uses probes, installed in network nodes, to track the packets exchanged by the nodes, and it will measure a number of parameters.

What is IP flow monitor?

NetFlow is a Cisco technology that provides statistics on packets flowing through a router. NetFlow provides data to support network and security monitoring, network planning, traffic analysis, and IP accounting.

What is flow exporter in Cisco?

NetFlow is a Cisco IOS technology that provides statistics on packets flowing through the router. NetFlow provides data to support network and security monitoring, network planning, traffic analysis, and IP accounting.

Does NetFlow use SNMP?

SNMP and NetFlow Support by Vendors Even the new generation of network devices that support NetFlow still support SNMP. The Cisco flow switching concept that the NetFlow is based on was introduced around 1996. Therefore, NetFlow is a much younger protocol and is not implemented in all network devices.

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What is SFlow vs NetFlow?

SFlow is a pure packet sampling technology. The most notable difference of SFlow vs NetFlow is that SFlow is network layer independent and has the ability to sample everything and to access traffic from OSI layer 2-7, while NetFlow is restricted to IP traffic only.

How do I test my IP Flow Monitor?

Applying the flow to an interface in IOS-XE:

  1. Enter the interface config mode: interface type mod/num.
  2. Associate an IPv4 or IPv6 flow monitor for input or output packets: ip flow monitor name {input | output}
  3. Verify: show flow interface.

What is network flow analysis?

Network flow analysis is the art of studying the traffic on a computer network. Understanding the ways to export flow and collect and analyze data separates good network administrators from great ones.

Is NetFlow TCP or UDP?

NetFlow records are traditionally exported using User Datagram Protocol (UDP) and collected using a NetFlow collector. The IP address of the NetFlow collector and the destination UDP port must be configured on the sending router. A common value is UDP port 2055, but other values like 9555 or 9995, 9025, 9026 etc.

What is IP route cache flow?

The route cache allows outgoing packets to be load-balanced on a per-destination basis. The ip route-cache command with no additional keywords enables fast switching. Our routers generally offer better packet transfer performance when fast switching is enabled, with one exception.

How do you configure net flow?

Configuring NetFlow and NetFlow Data Export Using the Version 9 Export Format

  1. enable.
  2. configure terminal.
  3. ip flow-export destination {ip-address | hostname} udp-port.
  4. Repeat Step 3 once to configure a second NetFlow export destination.
  5. ip flow-export version 9.
  6. interface interface-type interface-number.
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How does ip flow work?

What is an IP Flow? Each packet that is forwarded within a router or switch is examined for a set of IP packet attributes. All packets with the same source/destination IP address, source/destination ports, protocol interface and class of service are grouped into a flow and then packets and bytes are tallied.

How do I configure a flow monitor on a Cisco router?

Configuring a Customized Flow Record

  1. enable.
  2. configure terminal.
  3. flow record record-name.
  4. description description.
  5. match {ipv4 | ipv6}{destination | source} address.
  6. Repeat Step 5 as required to configure additional key fields for the record.
  7. collect interface {input | output}

How do I configure ip flow top talker?

The NetFlow Top Talkers feature can be configured using the Cisco IOS command-line interface (CLI) or with SNMP commands using the NetFlow MIB.

  1. enable.
  2. configure terminal.
  3. ip flow-cache entries number.
  4. ip flow-cache timeout active minutes.
  5. ip flow-cache timeout inactive seconds.
  6. end.

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