Check out http://www.FreeBSD.org/FAQ/userppp.html.
The remote end is reflecting your data back at you.
> usually ppp from laptop (3.4+pao) to home (4.0-stable) works fine. and then
> sometimes it will get stuck in the following mode three N in a row.
>
> ppp[547]: tun0: Chat: Send: AT^M
> ppp
usually ppp from laptop (3.4+pao) to home (4.0-stable) works fine. and then
sometimes it will get stuck in the following mode three N in a row.
ppp[547]: tun0: Chat: Send: AT^M
ppp[547]: tun0: Chat: Expect(5): OK
ppp[547]: tun0: Chat: Received: AT^M^M
ppp[547]: tun0: Chat: Received: OK^M
ppp
