linux/net/bridge/Kconfig
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   1#
   2# 802.1d Ethernet Bridging
   3#
   4
   5config BRIDGE
   6        tristate "802.1d Ethernet Bridging"
   7        select LLC
   8        select STP
   9        ---help---
  10          If you say Y here, then your Linux box will be able to act as an
  11          Ethernet bridge, which means that the different Ethernet segments it
  12          is connected to will appear as one Ethernet to the participants.
  13          Several such bridges can work together to create even larger
  14          networks of Ethernets using the IEEE 802.1 spanning tree algorithm.
  15          As this is a standard, Linux bridges will cooperate properly with
  16          other third party bridge products.
  17
  18          In order to use the Ethernet bridge, you'll need the bridge
  19          configuration tools; see <file:Documentation/networking/bridge.txt>
  20          for location. Please read the Bridge mini-HOWTO for more
  21          information.
  22
  23          If you enable iptables support along with the bridge support then you
  24          turn your bridge into a bridging IP firewall.
  25          iptables will then see the IP packets being bridged, so you need to
  26          take this into account when setting up your firewall rules.
  27          Enabling arptables support when bridging will let arptables see
  28          bridged ARP traffic in the arptables FORWARD chain.
  29
  30          To compile this code as a module, choose M here: the module
  31          will be called bridge.
  32
  33          If unsure, say N.
  34