Asuswrt-Merlin - custom firmware for Asus routers

Discussion in 'Asuswrt-Merlin' started by RMerlin, Aug 30, 2012.

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  1. RMerlin

    RMerlin Part of the Furniture

    Apr 14, 2012
    This is a customized version of Asuswrt, the firmware developed and used by Asus on many of their routers.

    Official support:

    Experimental support:
    RT-AC88U (not released yet)

    No longer actively supported:

    Note: the "W" and "R" variants are also supported (for example, RT-N66R, RT-AC68W).

    The primary goals of this project are to fix bugs, add a few basic features and tweaks to the original firmware. This firmware will try to remain as close as possible to the original firmware. If you are looking for a slew of advanced features, then this project is not for you. Look at TomatoUSB or DD-WRT, two excellent products that might suit your needs better.

    If however you prefer something as close as possible to the manufacturer's firmware, then this is for you :)


    Asuswrt-merlin provides the following changes over the original firmware:

    • Various bugfixes and optimizations
    • Some components were updated to newer versions, for improved stability and security
    • Persistent JFFS partition
    • User scripts that run on specific events
    • Cron jobs
    • Ability to customize the config files used by the router services
    • LED control - put your Dark Knight in Stealth Mode by turning off all LEDs
    • Entware easy setup script (alternative to Optware - the two are mutually exclusive)
    • SNMP support

    Disk sharing:
    • Optionally use shorter share names (folder name only)
    • Disk spindown after user-configurable inactivity timeout
    • NFS sharing (through webui)
    • Better compatibility with 3TB+ and Advanced Format HDDs

    • Force acting as a Master Browser
    • Act as a WINS server
    • SSHD
    • Allows tweaking TCP/UDP connection tracking timeouts
    • CIFS client support (for mounting remote SMB share on the router)
    • Layer7 iptables matching (MIPS models only)
    • User-defined options for WAN DHCP queries (required by some ISPs)
    • Improved NAT loopback (based on code from phuzi0n from the DD-WRT forums)
    • Advanced OpenVPN client and server support (all models)
    • Option to control Spanning-Tree Protocol support.
    • Netfilter ipset module, for efficient blacklist implementation
    • Configurable min/max UPNP ports
    • IPSec kernel support (MIPS models only)
    • DNS-based Filtering, can be applied globally or per client
    • Custom DDNS (through a user script)
    • Advanced NAT loopback (as an alternative to the default one)
    • TOR support, individual client control
    • Policy routing for the OpenVPN client (based on source or destination IPs), sometimes referred to as "selective routing")

    Web interface:
    • Improved client list, with DHCP hostnames
    • Optionally save traffic stats to disk (USB or JFFS partition)
    • Enhanced traffic monitoring: added monthly, as well as per IP monitoring
    • Name field on the DHCP reservation list and Wireless ACL list
    • System info summary page
    • Wireless client IP and hostname on the Wireless Log page
    • Wifi icon reports the state of both radios
    • Display the Ethernet port states
    • The various MAC/IP selection pulldowns will also display hostnames when possible instead of just NetBIOS names
    • Wireless site survey
    • Advanced Wireless client list display, including automated refresh
    • Editable entries (on some select pages)

    Hope you folks like it :)
    Last edited: Oct 25, 2015
    kantonburg, wsarahan, NEBO and 9 others like this.
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  3. RMerlin

    RMerlin Part of the Furniture

    Apr 14, 2012
    Last edited: Apr 26, 2015
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