Re: Kernel PPPoE and NAT (trying mtu)

2005-05-23 Thread Rob Pickering
--On 22 May 2005 23:32 +0100 Stuart Henderson <[EMAIL PROTECTED]> wrote: If it's an IPStream-based ISP (like most UK ones), you are really in PPPoA land. PPPoE might work depending on your 'phone exchange and maybe which concentrator you're connected to (this changes from time to time), but it's

Re: Kernel PPPoE and NAT (trying mtu)

2005-05-23 Thread Adam Gleave
On 22/05/05, Stuart Henderson <[EMAIL PROTECTED]> wrote: > --On 22 May 2005 19:08 +, Adam Gleave wrote: > > >> > The MAC addresses are the same (should have though of checking > >> > that). pppoesvc is not set. > >> > >> Does your provider suggest setting one? > > > > Heh, my provider proboab

Re: Kernel PPPoE and NAT (trying mtu)

2005-05-22 Thread Stuart Henderson
--On 22 May 2005 19:08 +, Adam Gleave wrote: > The MAC addresses are the same (should have though of checking > that). pppoesvc is not set. Does your provider suggest setting one? Heh, my provider proboably wouldn't know what PPPoE stands for. They give me username and password, but that

Re: Kernel PPPoE and NAT (trying mtu)

2005-05-22 Thread Adam Gleave
> > The MAC addresses are the same (should have though of checking that). > > pppoesvc is not set. > > Does your provider suggest setting one? Heh, my provider proboably wouldn't know what PPPoE stands for. They give me username and password, but that's it. Been meaning to switch, actually (thin

Re: Kernel PPPoE and NAT (trying mtu)

2005-05-22 Thread Jason Ackley
On Sun, 22 May 2005, Adam Gleave wrote: > ifconfig -a shows no difference to ifconfig (I checked with diff), Yes, I know.. It is an old habit for OSes that do cause different output with/without the -a. The main thing is to see that all the interfaces are happy/up/active and not deadlocked

Re: Kernel PPPoE and NAT (trying mtu)

2005-05-22 Thread Adam Gleave
On 22/05/05, Jason Ackley <[EMAIL PROTECTED]> wrote: > > > > I forgot to mention one thing, pppoe0 absolutely refuses to connect (I > > dont' even get it telling me it's not working) if fxp1 doesn't have an > > ip. Just marking it up doesn't seem to work. > > Can you send an 'ifconfig -a' ? (sani

Re: Kernel PPPoE and NAT (trying mtu)

2005-05-22 Thread jmc
On Sun, May 22, 2005 at 11:51:06AM +, Adam Gleave wrote: > > reading in pppoe(4): > > " Problems can arise on machines with private IPs connecting to the Inter- > net via a machine running both Network Address Translation (NAT) and > pppoe. Standard Ethernet uses a Maximum Transmis

Re: Kernel PPPoE and NAT (trying mtu)

2005-05-22 Thread Jason Ackley
On Sun, 22 May 2005, Adam Gleave wrote: > My question is, do you set the mtu on the box NAT'ing (fxp0, in this > case), the box connecting to it, or both? If you are doing NAT and running pf, why not use the scrub feature instead to adjust the TCP MSS? It will work much better for you. Man

Kernel PPPoE and NAT (trying mtu)

2005-05-22 Thread Adam Gleave
Hi, Heres the setup i've got: pppoe0 (connected to fxp1) - ADSL connection fxp0 - LAN (NAT) reading in pppoe(4): " Problems can arise on machines with private IPs connecting to the Inter- net via a machine running both Network Address Translation (NAT) and pppoe. Standard Ethernet us