Sisela is a small, self-contained system designed to turn a PC into a highly capable piece of networking equipment. It can act as a bridge, router (with RIP, BGP, OSPF, PIM-SM, and AODV), firewall, DHCP server, DNS server, wireless access point, or any combination of these functions. It can boot and run from a single floppy disk or CD-ROM. It is based on Linux and supports a wide variety of network and wireless hardware, including ISA, PCI, PCMCIA, CardBus, and USB devices.