Date: Sat, 31 Jan 1998 01:00:29 -0500 (EST) From: "Joe \"Marcus\" Clarke" <marcus@miami.edu> To: Eddie Irvine <eirvine@tpgi.com.au> Cc: "'questions@freeBSD.ORG'" <questions@FreeBSD.ORG> Subject: Re: FBSD crashes a Mac Fileserver. Help! Message-ID: <Pine.OSF.3.96.980131004716.12862A-100000@jaguar.ir.miami.edu> In-Reply-To: <01bd2e0b$24be2140$a21a1acb@gretchen>
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First you can check to make sure you have the latest version of ASIP (5.0.3 I believe). Next, try upgrading to OS 8.1. The new networking software fixes a few DOS attacks as well as the ping of death. It also adds a bunch of new ethernet fixes. Also, if you're really serious about things, look into EtherPeek from AGGroup. It's an amazing packet sniffer for both Mac and Windows. It might be able to shed some more light on the problem. As a temporary solution, try running tcpdump on the BSD machine, and looking for AppleTalk packets with the 6150's ethernet address. By the way, ASIP 5.0 and MacOS 8.x are not compatible. You'll have to get ASIP 5.0.3. Another testing alternative would be to diable ASIP, and use personal file sharing on the WS. Joe Clarke On Sat, 31 Jan 1998, Eddie Irvine wrote: > Hi all. > > Not certain this is the correct newgroup to post this to but here goes. > > At a high school where we work we have a Mac 6150 file server running > Apple server software v 5.0, and At Ease for networks. This software > runs a combination of TCP and AppleTalk. There are 32 macs on a single > ethernet network with 3 hubs daisy chained, and my pet project - a > FreeBSD Apache / Squid server on a generic PC. > > The generic PC has a NE2000 clone card. > > There are no apple talk zones and all the IP addresses are on one class > C network. > > When the network is busy and a few kids start browsing, the AppleTalk part > of the Mac file server quietly stops. > > Running a ping from the Mac Server (post - AppleTalk stop) shows no other apple > talk devices EXCEPT ITSELF. It does, however, ping the other TCP/IP devices - > that is, the IP addresses of the other Macs. > > What is more, I can then start a netscape browser on the Mac server and look > at pages served by the FBSD box. > > Running an appletalk ping on a client mac shows all other macs, apart from > the file server. > > I did have netatalk on the FreeBSD box, but have commented out the start-up > script (in /usr/local/etc/rc.d ) and thus netatalk no longer runs - so I > presume that can't be the problem. > > I have also reduced the mtu size on the FBSD box down to 500 using > ifconfig. > > In summary, the AppleTalk part of the Mac Fileserver, but NOT the IP part, > quietly stops working when a) the network is busy with apple talk packets, > and b) the Mac Fileserver sees IP traffic as well. Both (a) and (b) must > happen concurrently. > > I have checked the bug pages at Apple and can't seem to find anything. > > Help! > > Eddie. > > >
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