[AusNOG] Ethernet + 4G router recommendations
Bryn Loftus
bryn at wintonit.biz
Wed Nov 5 15:31:15 EST 2014
The Dovado range can do bridgemode with some modems. They have some nifty usb modem monitoring as well.
Sent from my iPhone
> On 5 Nov 2014, at 3:16 pm, Ken Wilson <ken.wilson at opengear.com> wrote:
>
> You can do bridge mode if you’ve got a linux device terminating the 4G connection.
> The basic method is to get the connection up, strip the IP address off the 4G connection, and provide it to a host down stream via DHCP.
> Set a default gateway out the 4G modem - (if its an CDC-ethernet 4G modem as most are, you’ll have a gateway assigned you can use), set up a static route to the 4G IP address via the ethernet adapter connected to the downstream host, and enable proxyarp on that ethernet adapter.
>
>
>> On 5 Nov 2014, at 8:30 am, Bruce Forster <bruce at tubes.net.au> wrote:
>>
>> Not sure about bridge mode... however with the l2tp + ppp / ipsec you dont have double nat the tunnel does pass over the nat from the TP-Link device but all other traffic is inside the tunnel...
>>
>>
>>
>>
>> On Wed, Nov 5, 2014 at 7:53 AM, Karl Auer <kauer at biplane.com.au> wrote:
>>> On Wed, 2014-11-05 at 07:28 +1000, Bruce Forster wrote:
>>> If you are really pressed for cash... you can get one of these:
>>> http://www.computeralliance.com.au/tp-link-tl-mr3020-portable-wireless-n-150mbps-router/3g-support
>>
>> Ignorant question: Can something like that be used in bridge mode, as
>> one might with an ADSL modem? Or is 3G/4G handled differently?
>>
>> This device seems to do bridge mode over 3G:
>>
>> http://www.wificamit.com/super-modem-33.html
>>
>> For the OP's requirement, something like that (or the TP-Link) in bridge
>> mode might be nicer than managing a dongle or built-in 3G/4G. Also
>> avoids double NATting.
>>
>> Regards, K.
>>
>> --
>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> Karl Auer (kauer at biplane.com.au)
>> http://www.biplane.com.au/kauer
>> http://twitter.com/kauer389
>>
>> GPG fingerprint: EC67 61E2 C2F6 EB55 884B E129 072B 0AF0 72AA 9882
>> Old fingerprint: B862 FB15 FE96 4961 BC62 1A40 6239 1208 9865 5F9A
>>
>>
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>> --
>> Regards,
>>
>> Bruce
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