On Fri, Sep 12, 2008 at 8:16 PM, erik quanstrom <[EMAIL PROTECTED]> wrote: >> Anyway, does 9P and Plan9 know about "path MTU discovery"? > > traditional path mtu uses icmp messages. if your router/modem/whatever > eats icmp, you're outta luck with these traditional methods. > cf. http://www.netheaven.com/pmtu.html i think there are some tricks > to get around the missing icmp messages, though. > >> Or have I something wrong at my firewall/router? >> Other of my computers (FreeBSD,Windows) don't have such problems. > > have you tried mounting sources from these machines? > > i think this problem is pecular to sources. if the pmtu is > symmetric, it seems sources is a few bytes short of a full packet. > 1510 bytes. yet when i read from a local machine, the tcp > packets are a bit long of a full packet -- 1518 bytes. > > something to look into. > > - erik
I solved it. The source of this problem was an old NAT program on my router. Thanks Erik, you show me where to look for it. Antonin
