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1#
2# 802.1d Ethernet Bridging
3#
4
5config BRIDGE
6 tristate "802.1d Ethernet Bridging"
cf0f02d0 7 select LLC
7c85fbf0 8 select STP
dcbcdf22 9 depends on IPV6 || IPV6=n
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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.
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35
36config BRIDGE_IGMP_SNOOPING
08b202b6 37 bool "IGMP/MLD snooping"
024c378f 38 depends on BRIDGE
1cd4efdd 39 depends on INET
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40 default y
41 ---help---
42 If you say Y here, then the Ethernet bridge will be able selectively
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43 forward multicast traffic based on IGMP/MLD traffic received from
44 each port.
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45
46 Say N to exclude this support and reduce the binary size.
47
48 If unsure, say Y.
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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.