[Click] IPv6 and element FromDevice : Routing Problem

[Eddie Kohler]

Antonino,

It looks like you need to set PROMISC to true on FromDevice.  Otherwise it might 
not emit packets not destined for this host.

FromDevice(eth0, PROMISC true) -> ....

EDdi
e


Antonino Raucea wrote:
> Hi I'm a student from Catania University (Italy)
> My english is very bad
> 
> I've realized that when I'm waiting for an IPv6 packet the FromDevice
> Element receives it just if exists an equal address at least in one
> interface, example
> 
> R and H1,H2 is a Router and 2 Hosts
> 
> Simple network
> R 
>     eth0: 3ffe:1001:7d0:5::1/64
>     eth1: 3ffe:1001:7d0:6::1/64
>     eth2: 3ffe:1001:7d0:7::5/64
> H1 
>     eth0: 3ffe:1001:7d0:5::4/64
> H2
>     eth0: 3ffe:1001:7d0:6::4/64
> 
> H1 ---- R ---- H2
> 
> for routing a packet from H1 to H2 through R I make on the H1
> ip -6 route add 3ffe:1001:7d0:6::/64 dev eth0
> 
> script click 1.4pre1 on the R1
> FromDevice(eth0) -> Print("FromEth0",0)->Discard;
> 
> very simple script, but:
> packet from H1 to interface: 3ffe:1001:7d0:6::4 => R not read packet
> packet from H1 to interface: 3ffe:1001:7d0:6::5 => R read packet
> 
> if add the interface on the R
> ip -6 addr add 3ffe:1001:7d0:100::4/64 dev ethx
> now the packet is delivered to the element FromDevice
> 
> I think it's a problem of linux module IPv6
> (the IPv4-routing it's perfect)
> I would like confirmations from others people on this problem and
> if your have a solution (my solution it's very simple, I add in the my
> network
> interfaces not important in the Routers Device Network)
> 
> Tnks for all answer
> Antonino Raucea
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