Well, being more specific... The computer between the clients and the Mikrotik (border gateway) is a squid proxy operating in bridge, to intercept all traffic on the port 80 2011/5/19 Rick Jones <rick.jones2@xxxxxx>: > On Thu, 2011-05-19 at 12:52 -0300, Kelbel Junior wrote: >> Hi guys! >> >> I have the following scenario: >> >> Clients Network <------> Linux router <------> Mikrotik gateway >> <------> INTERNET >> >> Happens what the Mikrotik gateway controls the clients from the mac >> address (joining an ip to an MAC address) and when i put the linux >> router between they the control don't works. >> I saw on the MK(mikrotik) the packets coming in with the MAC address >> from the bridge, and this is a problem. >> >> Exist some way to preserve the source mac through a bridged >> connection, to continue seeing the mac address of the clients? > > Is the device in the middle a router, or is it a bridge? The > distinction is quite important. > > Conceptually, a router does it's thing at layer three of the (in)famous > seven-layer model (*). That means it only "preserves" layer three and > above. Layer 2 and below is not preserved. > > A bridge (or (multiport)switch, ignoring marktroid-speak about "L3 > switching") does it's thing at layer two. That means it preserves layer > two and above. Layer 1 (physical) is not preserved. > > rick jones > > * there is also the nine-layer model > http://www.isc.org/store/logoware-clothing/isc-9-layer-osi-model-cotton-t-shirt > > -- Att. Kelbel Junior -- To unsubscribe from this list: send the line "unsubscribe netfilter" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
