Root/net/bridge/Kconfig

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
35config BRIDGE_IGMP_SNOOPING
36    bool "IGMP snooping"
37    depends on BRIDGE
38    depends on INET
39    default y
40    ---help---
41      If you say Y here, then the Ethernet bridge will be able selectively
42      forward multicast traffic based on IGMP traffic received from each
43      port.
44
45      Say N to exclude this support and reduce the binary size.
46
47      If unsure, say Y.
48

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