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Observing kube-router with Metrics

See metrics documentation for more information

Observing dropped traffic due to network policy enforcements

Traffic that gets rejected due to network policy enforcements gets logged by kube-route using iptables NFLOG target under the group 100. Simplest way to observe the dropped packets by kube-router is by running tcpdump on nflog:100 interface for e.g. tcpdump -i nflog:100 -n. You can also configure ulogd to monitor dropped packets in desired output format. Please see the official ulogd documentation for an example configuration to setup a stack to log packets.