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Kea and ISC DHCP are both implementations of the Dynamic Host Configuration Protocol, a set of standards established by the Internet Engineering Task Force (IETF). Kea software is distributed in source code form on GitHub, [ 3 ] from various ISC sites, and through a number of operating system packages.
Free (limited functionality) or paid: GB-OS firewall and UTM appliance. IPFire: Active: Linux distribution: x86, x86-64, ARM: RAM : 1 GB Storage : 4 GB: GPLv3: Free: IPFire is a hardened Open Source Linux distribution that primarily performs as a Router and a Firewall; a standalone firewall system with a web-based management console for ...
free software GPLv2: Python: dnsmasq: Simon Kelley 2001 2.90 (February 13, 2024; 11 months ago (1] free software GPLv2 or GPLv3: C: ISC DHCP: Internet Systems Consortium: 1999 Extended Support Version: 4.1-ESV-R16-P1 (May 26, 2021; 3 years ago (2]
The DHCP server integrates with the DNS server and allows local machines with DHCP-allocated addresses to appear in the DNS. dnsmasq caches DNS records, reducing the load on upstream nameservers and improving performance, and can be configured to automatically pick up the addresses of its upstream servers.
NX-OS is a network operating system for the Nexus-series Ethernet switches and MDS-series Fibre Channel storage area network switches made by Cisco Systems. [1] It evolved from the Cisco operating system SAN-OS, originally developed for its MDS switches. Cisco is responsible for its development and maintenance. [1]
Zero-configuration networking (zeroconf) is a set of technologies that automatically creates a usable computer network based on the Internet Protocol Suite (TCP/IP) when computers or network peripherals are interconnected. It does not require manual operator intervention or special configuration servers.
Cisco's IOS software maintains one IDB for each hardware interface in a particular Cisco switch or router and one IDB for each subinterface. The number of IDBs present in a system varies with the Cisco hardware platform type. Physical and logical interfaces on the switch will be referenced with either expanded or abbreviated port description names.
Example showing how DHCP snooping works. In computer networking, DHCP snooping is a series of techniques applied to improve the security of a DHCP infrastructure. [1] DHCP servers allocate IP addresses to clients on a LAN. DHCP snooping can be configured on LAN switches to exclude rogue DHCP servers and remove