On 17 Dec 2010, at 21:45, Michel Servaes wrote:

> On 18/12/10 10:16, Evgeny Yurchenko wrote:
>>> my only concern now is PPPoA... But I need public IP on pfSense for sure
>>> to do port-forwarding.
>> Not really; if you can ask the modem to port-forward to the pfsense box,
>> you can then ask pfSense to port-forward to the final destination.
>> 
>> So the public IP stays on the modem's WAN interface, you burn a small
>> private network for the connection between the modem's LAN and pfSense's
>> WAN (using DHCP so that pfSense gets the modem's sense of DNS
>> providers), and provide ordinary services over pfSense's LAN.
>> 
>> This means you end up with double-NAT, which isn't ideal in a busy
>> environment, but is stable enough for quieter locations.
>> 
>> 
> You could do that, but then you would have to disable the private address 
> filtering on the WAN side ofcourse !

I'm in the UK and I use a Draytek Vigor 120 router that out of the box will 
work as an ADSL modem. 
It autodetects your ADSL settings and performs PPoE to PPoA authentication so I 
simply configure the WAN port on PFSense for PPoE and use my ISP ADSL userid 
and password.

This works a treat and I get my Internet IP address on PFSense, in fact I have 
a netblock from my ISP so I just add Proxy ARP Virtual address entries on 
PFSense for the additional IP addresses and 1:1 NAT rules to map my additional 
external IP addresses to devices on my internal networks.

Hope that helps

David


  

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