On Thu, Aug 18, 2005 at 06:23:50PM +0200, Bolke de Bruin wrote: > I am working on an UMTS (via ppp) connection. This connection seems to > have a very small mtu namely 480 bytes. If found this out using > different sizes when pinging. To accomodate vor this I have added a > scrub rule to pf.conf: > > scrub out on tun0 all fragment reassemble max-mss 472 > > in ppp.conf > > I have added: > set mtu max 472 > set mru max 472 > > Still I am unable to do any webbrowsing or ssh to the outside. Does > someone have experience with these kind of connections? Isn't the mtu a > bit too small? >
which card? i'm using umts with a option 3g from vodafone and pppd without problems. reyk $ cat /etc/ppp/peers/vodafone /dev/ttyU0 460800 :0.0.0.1 connect '/usr/sbin/chat -v -f /etc/ppp/vodafone.chat' disconnect '/usr/sbin/chat -v -f /etc/ppp/disconnect.chat' crtscts defaultroute ipcp-accept-local ipcp-accept-remote lock modem ms-dns 139.7.30.125 ms-dns 139.7.30.126 noauth noipdefault novj user d2 nodetach debug $ cat /etc/ppp/vodafone.chat # first unlock the device once with AT+CPIN="xxxx" 'ABORT' 'BUSY' 'ABORT' 'ERROR' 'ABORT' 'NO CARRIER' 'ABORT' 'NO DIALTONE' 'REPORT' 'CONNECT' 'TIMEOUT' '10' '' 'AT+CPIN?' '+CPIN: READY' 'AT_OPSYS=3,2' 'OK' 'AT+CGDCONT=2,"IP","web.vodafone.de"' 'OK' 'AT+CGDCONT=1,"IP","web.vodafone.de"' '' 'ATZ' 'OK' 'ATE1' 'OK' 'AT&F' 'TIMEOUT' '60' 'OK' 'ATD*99***1#' 'CONNECT' ''
