[Cerowrt-devel] treating 2.4ghz as -legacy?
mcr at sandelman.ca
Thu Dec 19 09:32:01 EST 2013
Toke Høiland-Jørgensen <toke at toke.dk> wrote:
>> I believe that Linux allows having both tagged and untagged packets on
>> the samy physical interface, so the APs could communicate on a VLAN
>> and one could be the gateway to the rest of the network (similar type
>> of overhead in this case to GRE tunnels in that all traffic would get
>> routed through one system, but I think it would still be less)
> What happens to the VLAN tags if the traffic goes through a
> non-VLAN-aware switch?
A switch which is totally ignorant of VLAN will simply pass all traffic to
all ports (modulo mac learning). This is distinguished from a VLAN aware
switch that has it turned off (common for netgear equipment), which might
For many homes, the 3800 may be the only physical switch... a homenet router
discovery protocol would also notice if 3800s were directly attached...
The layer-2 VLAN idea fails if we have a routed homenet and there are a
variety of devices invoved. That's why, I think that GRE over IP would win
for most homes, and yet keep the wired multicast and wireless multicast
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