Article 61029 of comp.sys.sun.admin: Path: mri.com!peerfeed.ncal.verio.net!204.186.110.126.MISMATCH!ptdnetP!newsgate.ptd.net!newsjunkie.ans.net!newsfeeds.ans.net!paperboy.amoco.com!tabloid!usenet From: Peter Maurice-Jones Newsgroups: comp.sys.sun.admin Subject: Re: NFS and FDDI packet fragmentation Date: 20 Jan 1998 13:09:19 +0000 Organization: Amoco Lines: 30 Sender: zpjm18@lonsun35 Message-ID: References: <6a10md$8ph$1@news.ncal.verio.com> X-Newsreader: Gnus v5.5/XEmacs 19.15 Xref: mri.com comp.sys.sun.admin:61029 Thomas Maslen writes: > > I'm working on the migration to Solaris for our environment. Our > >current setup is our servers (compute, file, mail, etc...) are all > >attached to the network through a FDDI ring. The numerous X terminals on > >the network are attatched to the network through Ethernet. There is a Fore > >Systems' PowerHub connected to to both network segments which switches > >traffic between the FDDI and ethernet segments. are these renamed Alantec POWERHUBS ??? i think so in whihch case you can switch off the no-fragment bit on the solaris machines by sticking the following in a startup script before the TCP/IP stack is initialised - the powerHUB's are a bit braindamaged: ndd -set /dev/ip ip_path_mtu_discovery 0 [...] > There is a way to tell Solaris 2.x not to do path MTU discovery, but it's > a bad idea. > it's a good idea if it does not work without it and you cant afford a new router :-) [...] -- Peter Maurice-Jones e-mail: peter.mj@amoco.com Amoco Services Limited Senior Unix Systems Administrator