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NetFlow and IPFIX Sampling: Configuration and Rates

NetFlow and IPFIX Sampling: Configuration and Rates

Configure flow sampling on Cisco routers and switches with sampler-map and random one-out-of-n, and choose a sampling rate that fits the cache.

admin admin 2026-10-12
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NetFlow vs IPFIX vs sFlow: Choosing Flow Telemetry

NetFlow vs IPFIX vs sFlow: Choosing Flow Telemetry

NetFlow, IPFIX and sFlow compared for network visibility: sampling methods, export formats, overhead, collector design and which to enable where.

admin admin 2026-10-10
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ntopng: Real-Time Network Traffic Monitoring

ntopng: Real-Time Network Traffic Monitoring

Deploy ntopng for real-time traffic analysis: interface capture or NetFlow ingestion, host and flow drill-down, alerts, and tuning for busy links.

admin admin 2026-09-29
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NetFlow Collection with nfcapd, nfdump and NfSen

NetFlow Collection with nfcapd, nfdump and NfSen

Build a self-hosted NetFlow/IPFIX collector with nfcapd and nfdump: install, capture, query flows by filter, expire old data and graph with NfSen.

admin admin 2026-09-29
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华为交换机 NetStream 流量采集与输出配置详解

华为交换机 NetStream 流量采集与输出配置详解

华为交换机 NetStream 流量统计配置全流程：采样器与 ACL 过滤、流老化参数、版本 5/9 输出到采集服务器，含 display 验证命令与常见故障排查速查表，并附采样比与聚合方式选型建议、出方向与入方向采集的差异，以及采集器无数据时的排查顺序。

admin admin 2026-09-26
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NetFlow v9 Configuration on Cisco IOS: Flexible NetFlow Guide

NetFlow v9 Configuration on Cisco IOS: Flexible NetFlow Guide

Build Flexible NetFlow on Cisco IOS XE: flow records, exporters, monitors, cache timers, sampling and the show commands that prove exports are arrivin

admin admin 2026-09-10
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sFlow vs NetFlow vs IPFIX: Network Monitoring Protocols Compared

sFlow vs NetFlow vs IPFIX: Network Monitoring Protocols Compared

Compare sFlow, NetFlow and IPFIX: sampling versus flow records, Cisco and Arista configuration, sampling rates, collector sizing and how to choose.

admin admin 2026-08-30
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