> On 23 Dec 2015, at 11:33, Craig Skinner <skin...@britvault.co.uk> wrote: > > On 2015-12-22 Tue 19:52 PM |, Tati Chevron wrote: >> >> The easiest way to do this, although not quite what you want, is to >> use a normal ADSL router in 'bridge' mode, so that it passes all data >> from the ADSL line directly to a single OpenBSD machine without doing >> any routing. That OpenBSD machine can then act as a firewall, router, >> packet-logger, or whatever you want. >> > > A British ISP recommends using the DLINK DSL-320B in bridge mode only: > "... bridge mode for use with a PPPoE Router. Supports 1508 byte "baby > jumbo" frames for full 1500 byte MTU PPPoE operation. ..." > http://aa.net.uk/broadband-accessories.html > > "DLINK 320B PPPoE Bridge Modem, ADSL > * Use with a your own PPPoE router/firewall > * Can do full 1500 byte MTU over PPPoE, which the ZyXEL can't in bridge > mode > * Don't use it for anything but a bridge! > * Native IPv6: n/a (as used as a bridge)" > http://support.aa.net.uk/Help_Choosing_A_Router > > How they deploy 2 (+ another spare) ADSL modems for failover. > You would be building the brick thing instead of what they supply: > http://www.aa.net.uk/broadband-office1.html > > Their MTU explaination page: > http://aa.net.uk/kb-broadband-mtu.html > > Their "How Broadband Works" page (British Telecom - usually PPPoA): > http://aa.net.uk/kb-broadband-how.html >
Can confirm - that D-Link modem is the best way to go (at least in our neck of the woods). Very cheap and reliable. I have it running as a PPPoE bridge into an Alix router with OpenBSD. The whole rig has been up for more than a year, zero issues. Bojan
