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Cisco IOS is a monolithic operating system running directly on the hardware while IOS XE is a combination of a Linux kernel and a monolithic application (IOSd) that runs on top of this kernel. On the other hand, IOS XR is based on QNX (since version 5.0 it's also based on Linux), where the IOSd application has been separated into many different ...
The Internetworking Operating System [2] (IOS) is a family of proprietary network operating systems used on several router and network switch models manufactured by Cisco Systems. The system is a package of routing, switching, internetworking, and telecommunications functions integrated into a multitasking operating system.
Enterprise-class router, firewall, VPN, intrusion protection and more delivered as a complete network operating system that runs on x86 hardware or in XenServer, VMware or Hyper-V to provide vFirewall, vRouter network virtualization functionality. VyOS: Active: Linux distribution: x86, x86-64: RAM : 512MB Storage : 2GB (recommended) GPL v2
According to Cisco's product literature, IOS XR shares very little infrastructure with the other IOS trains, and is instead built upon a "preemptive, memory protected, multitasking, microkernel-based operating system". [1] The microkernel was formerly provided by QNX; [2] versions 6.0 up to 7.5.2 use the Wind River Linux distribution. [3]
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]
The system is a specialized Debian-based Linux distribution with networking applications such as Quagga, OpenVPN, and many others. A standardized management console, similar to Juniper JUNOS or Cisco IOS, in addition to a web-based GUI and traditional Linux system commands, provides configuration of the system and applications. In recent ...
The Linux kernel used to support IPX/SPX, but SPX support was removed in 2002, [5] and IPX support was removed in 2018. [6] The open source FreeBSD operating system includes an IPX/SPX stack, to support both a NetWare file system client, nwfs, as well as NetWare server using Mars NWE [7] [8] (providing some functionality [9]).
Included on newer CISCO ASA devices which support the Firepower services module or Firepower Threat Defense Proprietary operating system. Based on the Linux kernel. Cisco PIX: Proprietary: Included on all CISCO PIX devices Proprietary operating system Juniper SSG Proprietary: Included on Netscreen security gateways Proprietary operating system ...