Completely open system based on Linux kernel 2.4
Entire distribution fits in 8 MB flash, of which 1.2MB are currently free for additional packages
Works on 16 MB RAM
Simple to use menu-based configuration system for basic functionality
Command-line access for advanced configuration
Remotely upgradable via automatic script
Modular: you can add/remove packages
Local access via console or serial port
Remote access via SSH
Statistics available via SNMP, including wireless statistics, such as signal levels
Layer 3 bridging support (based on proxy ARP) - unlike standard bridging, works well for connecting networks behind wireless nodes
OSPF, RIPv2 dynamic routing support integrated; networks built this way are much easier to debug and tune than bridging-based networks
NAT (with H.323, PPTP pass-through support)
Bandwidth shaping
PPP is supported (useful for automatic backup)
PPPoE client
VTUN software allows for encrypted PtP tunnels between locations and Layer 2 unification of networks.
VLAN trunking support: service several customers from one CPE connected to a switch
Access Point support for Prism2/2.5/3/Atheros
MAC filter (access list) support for AP
Advanced network diagnostics: NTOP, tcpdump, bmon etc
Can log all system events to remote system via SYSLOG protocol
checkping: system will reboot if some of the specified hosts are unreachable (useful when radios get stuck)
Easy to service: all files are stored on standard FAT partition