Howto configure the Linux kernel / net / decnet

DECnet configuration

  • Option: DECNET
    • Kernel Versions: ...
    • (on/off/module) DECnet Support
      The DECnet networking protocol was used in many products made by Digital (now Compaq). It provides reliable stream and sequenced packet communications over which run a variety of services similar to those which run over TCP/IP.
      To find some tools to use with the kernel layer support, please look at Patrick Caulfield's web site: <>.
      More detailed documentation is available in <file:Documentation/networking/decnet.txt>.
      Be sure to say Y to "/proc file system support" and "Sysctl support" below when using DECnet, since you will need sysctl support to aid in configuration at run time.
      The DECnet code is also available as a module ( = code which can be inserted in and removed from the running kernel whenever you want). The module is called decnet.

    • Kernel Versions: ...
    • (on/off) DECnet: router support (EXPERIMENTAL)
    • depends on DECNET && EXPERIMENTAL
      Add support for turning your DECnet Endnode into a level 1 or 2 router. This is an experimental, but functional option. If you do say Y here, then make sure that you also say Y to "Kernel/User network link driver", "Routing messages" and "Network packet filtering". The first two are required to allow configuration via rtnetlink (you will need Alexey Kuznetsov's iproute2 package from <>). The "Network packet filtering" option will be required for the forthcoming routing daemon to work.
      See <file:Documentation/networking/decnet.txt> for more information.

    • Kernel Versions: ...
    • (on/off) DECnet: use FWMARK value as routing key (EXPERIMENTAL)
    • depends on DECNET_ROUTER && NETFILTER
      If you say Y here, you will be able to specify different routes for packets with different FWMARK ("firewalling mark") values (see ipchains(8), "-m" argument).

Linux Kernel Configuration

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