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Linux/net/bridge/Kconfig

  1 #
  2 # 802.1d Ethernet Bridging
  3 #
  4 
  5 config BRIDGE
  6         tristate "802.1d Ethernet Bridging"
  7         select LLC
  8         select STP
  9         depends on IPV6 || IPV6=n
 10         ---help---
 11           If you say Y here, then your Linux box will be able to act as an
 12           Ethernet bridge, which means that the different Ethernet segments it
 13           is connected to will appear as one Ethernet to the participants.
 14           Several such bridges can work together to create even larger
 15           networks of Ethernets using the IEEE 802.1 spanning tree algorithm.
 16           As this is a standard, Linux bridges will cooperate properly with
 17           other third party bridge products.
 18 
 19           In order to use the Ethernet bridge, you'll need the bridge
 20           configuration tools; see <file:Documentation/networking/bridge.txt>
 21           for location. Please read the Bridge mini-HOWTO for more
 22           information.
 23 
 24           If you enable iptables support along with the bridge support then you
 25           turn your bridge into a bridging IP firewall.
 26           iptables will then see the IP packets being bridged, so you need to
 27           take this into account when setting up your firewall rules.
 28           Enabling arptables support when bridging will let arptables see
 29           bridged ARP traffic in the arptables FORWARD chain.
 30 
 31           To compile this code as a module, choose M here: the module
 32           will be called bridge.
 33 
 34           If unsure, say N.
 35 
 36 config BRIDGE_IGMP_SNOOPING
 37         bool "IGMP/MLD snooping"
 38         depends on BRIDGE
 39         depends on INET
 40         default y
 41         ---help---
 42           If you say Y here, then the Ethernet bridge will be able selectively
 43           forward multicast traffic based on IGMP/MLD traffic received from
 44           each port.
 45 
 46           Say N to exclude this support and reduce the binary size.
 47 
 48           If unsure, say Y.
 49 
 50 config BRIDGE_VLAN_FILTERING
 51         bool "VLAN filtering"
 52         depends on BRIDGE
 53         depends on VLAN_8021Q
 54         default n
 55         ---help---
 56           If you say Y here, then the Ethernet bridge will be able selectively
 57           receive and forward traffic based on VLAN information in the packet
 58           any VLAN information configured on the bridge port or bridge device.
 59 
 60           Say N to exclude this support and reduce the binary size.
 61 
 62           If unsure, say Y.

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