Outils pratiques pour administrateurs systèmes, réseaux, sécurité et exploitation.

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Adressage, DNS, ports, et l’arithmétique silencieuse des paquets. D’abord les calculateurs ; des références qui restent courtes.

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Data Size Converter

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Convert bits, bytes, KB, KiB, MB, MiB, GB, GiB, and related units. The result stays on this page.

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CCTV Bandwidth & Storage Calculator

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Estimate IP camera bitrate needs and NVR/storage capacity. The result stays on this page.

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RJ45 Pinout Reference

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T568A and T568B Ethernet pinouts for straight-through and crossover cables.

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UPS Runtime Calculator

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Estimate battery runtime at a given load from UPS reference ratings. The result stays on this page.

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WireGuard Config Generator

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Generate server and peer WireGuard configs in the browser. The result stays on this page.

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Port Number Lookup

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Searchable reference of common TCP/UDP port numbers and services. The result stays on this page.

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Default Gateway IP Lookup

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Look up common default router/gateway IPs by brand. The result stays on this page.

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Cisco IOS/IOS-XE Initial Setup Config Generator

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Generate ready-to-paste initial setup configuration for Cisco IOS/IOS-XE.

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Cisco IOS/IOS-XE VLAN Config Generator

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Generate ready-to-paste VLAN (and optional SVI) configuration for Cisco IOS/IOS-XE.

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Cisco IOS/IOS-XE Access Port Config Generator

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Generate ready-to-paste access port configuration for Cisco IOS/IOS-XE.

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Cisco IOS/IOS-XE Trunk Port Config Generator

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Generate ready-to-paste trunk port configuration for Cisco IOS/IOS-XE.

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Cisco IOS/IOS-XE Static Route Config Generator

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Generate ready-to-paste static route configuration for Cisco IOS/IOS-XE.

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Cisco IOS/IOS-XE DHCP Server Config Generator

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Generate ready-to-paste DHCP server pool configuration for Cisco IOS/IOS-XE.

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Cisco IOS/IOS-XE DHCP Relay Config Generator

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Generate ready-to-paste DHCP relay (ip helper-address) configuration for Cisco IOS/IOS-XE.

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Cisco IOS/IOS-XE SNMP Config Generator

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Generate ready-to-paste SNMPv2c/v3 configuration for Cisco IOS/IOS-XE.

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Cisco IOS/IOS-XE Port Mirroring (SPAN) Config Generator

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Generate ready-to-paste Port Mirroring (SPAN) configuration for Cisco IOS/IOS-XE from a simple form, with explanation of each line

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Cisco NX-OS Initial Setup Config Generator

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Generate ready-to-paste Initial Setup configuration for Cisco NX-OS from a simple form, with explanation of each line

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Cisco NX-OS VLAN Config Generator

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Generate ready-to-paste VLAN configuration for Cisco NX-OS from a simple form, with explanation of each line

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Cisco NX-OS Trunk Port Config Generator

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Generate ready-to-paste Trunk Port configuration for Cisco NX-OS from a simple form, with explanation of each line

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Juniper Junos Initial Setup Config Generator

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Generate ready-to-paste Initial Setup configuration for Juniper Junos from a simple form, with explanation of each line

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Juniper Junos VLAN Config Generator

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Generate ready-to-paste VLAN configuration for Juniper Junos from a simple form, with explanation of each line

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Juniper Junos Trunk Port Config Generator

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Generate ready-to-paste Trunk Port configuration for Juniper Junos from a simple form, with explanation of each line

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Arista EOS Initial Setup Config Generator

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Generate ready-to-paste Initial Setup configuration for Arista EOS from a simple form, with explanation of each line

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Arista EOS VLAN Config Generator

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Generate ready-to-paste VLAN configuration for Arista EOS from a simple form, with explanation of each line

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