tips:ingress-egress-netflow
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tips:ingress-egress-netflow [2020/11/27 14:05] – [When to use ingress and egress netflow] veera | tips:ingress-egress-netflow [2020/11/27 16:05] (current) – [Enabling Ingress and Egress Netflow - issues and valid use cases] veera | ||
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Netflow has historically been an ingress only technology. Later versions of Netflow added the option to enable netflow at the egress interface as well. One way wonder how an analyst can get both the interfaces if Netflow is enabled in one direction only. The answer lies in the structure of the Netflow record. | Netflow has historically been an ingress only technology. Later versions of Netflow added the option to enable netflow at the egress interface as well. One way wonder how an analyst can get both the interfaces if Netflow is enabled in one direction only. The answer lies in the structure of the Netflow record. | ||
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===== Enabling both ingress and egress can result in inconsistent data ===== | ===== Enabling both ingress and egress can result in inconsistent data ===== | ||
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//Egress NetFlow accounting might adversely affect network performance because of the additional accounting-related computation that occurs in the traffic-forwarding path of the router.// | //Egress NetFlow accounting might adversely affect network performance because of the additional accounting-related computation that occurs in the traffic-forwarding path of the router.// | ||
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+ | ===== Configuration options in Trisul ===== | ||
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+ | The following are relevant [[https:// | ||
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+ | * '' | ||
+ | * '' | ||
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+ | Trisul automatically detects duplicate flow records |
tips/ingress-egress-netflow.1606466100.txt.gz · Last modified: 2020/11/27 14:05 by veera