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Date:      Fri, 14 Aug 1998 12:43:45 -0400
From:      ALI SAIT ERKAN <ase2@lehigh.edu>
To:        questions@FreeBSD.ORG
Message-ID:  <199808141643.MAA55126@ns2-1.CC.Lehigh.EDU>

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Hi all,

We are in the process of converting a few of our key machines in our
lab to FreeBSD. We have encountered a number of problems:

[1] Two of our machines (say A and B) are dual interfaced (the -i
    interfaces are 10BaseT and the -ii interfaces are 100BaseT):

    A-i  <---10BaseT---> B-i
    A-ii <--100BaseT---> B-ii

    When A and B talk over the 10BaseT interfaces, things are ok :)
    When they use their 100BaseT interfaces, thing are not ok :(

    With large NFS transfers, the client seems to hang. With
    smaller transfers, some threshold related messages are syslog'ed
    yet the transfer appears to complete.

[2] Bringing an interface down and then up does not seem to work. Also,
    if a network cable is disconnected for a second and then reconnected
    immediately, the associated interface cannot be used (again bringing
    it down and then up does not work).

[3] For someone who has been spoiled by the LDP and all related printed
    material, are there any FreeBSD administration books out there?

Thanks in advance.

-------------------------------------------------------------------------------

Here is the relevant info:

uname -a
	FreeBSD ball 2.2.7-RELEASE FreeBSD
	2.2.7-RELEASE #0: Thu Aug 13 09:18:36 EDT 1998
	root@:/usr/src/sys/compile/BALL i386

interfaces:
	(Used at 10mb/s)
	de0 <Digital 21143 Fast Ethernet> rev 48 int a irq 5 on pci0:10:0
	de0: 21143 [10-100Mb/s] pass 3.0
	de0: address 00:48:54:00:1b:97

	(Used at 100mb/s)
	de1 <Digital 21143 Fast Ethernet> rev 48 int a irq 9 on pci0:12:0
	de1: 21143 [10-100Mb/s] pass 3.0
	de1: address 00:48:54:00:13:a1

	(Used at 10mb/s)
	de2 <Digital 21140A Fast Ethernet> rev 34 int a irq 10 on pci0:14:0
	de2: 21140A [10-100Mb/s] pass 2.2
	de2: address 00:40:05:41:aa:d3

/var/log/messages
	Aug 14 10:17:19 ball /kernel: de0: enabling 10baseT port
	Aug 14 10:17:19 ball /kernel: de1: enabling 100baseTX port
	Aug 14 10:17:19 ball /kernel: de2: enabling 10baseT port
	Aug 14 10:17:29 ball login: ROOT LOGIN (root) ON ttyv0
	Aug 14 10:18:37 ball /kernel: de1: receive: 00:48:54:00:0d:5b: bad crc
	Aug 14 10:18:40 ball /kernel: de1: receive: 00:48:54:00:0d:5b: bad crc
	Aug 14 10:20:05 ball /kernel: de1: abnormal interrupt: transmit underflow (raising TX threshold to 96|256)
	Aug 14 10:20:06 ball /kernel: de1: abnormal interrupt: transmit underflow (raising TX threshold to 8|512)
	Aug 14 10:20:09 ball /kernel: de1: abnormal interrupt: transmit underflow (raising TX threshold to 1024)

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