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    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
36config 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
50config 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.
63

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