Jerikan+Ansible: a configuration management system for network There are many resources for network automation with Ansible. Most of them only expose the first steps or limit themselves to a narrow scope. They give no clue on how to expand from that. Real network environments may be large, versatile, heterogeneous, and filled with exceptions. The lack of real-world examples for Ansible deployments
TL;DR Do not enable net.ipv4.tcp_tw_recycle—it doesn’t even exist anymore since Linux 4.12. Most of the time, TIME-WAIT sockets are harmless. Otherwise, jump to the summary for the recommended solutions. The Linux kernel documentation is not very helpful about what net.ipv4.tcp_tw_recycle and net.ipv4.tcp_tw_reuse do. This lack of documentation opens the path to numerous tuning guides advising to
While quite old fashioned, SNMP is still a ubiquitous protocol supported by most network equipments. It comes handy to expose various metrics, like network interface counters, to be gathered for the purpose of monitoring. It can also be used to retrieve and modify equipments’ configuration. Variables exposed by SNMP agents (servers) are organized inside a Management Information Base (MIB) which is
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