ETHERNET SLOW

2007-12-25 8:24:00

INCOMING ETHERNET SLOWDOWN, ORIGINAL PROBLEM:

| About two weeks ago our main server developed network/interface problems:

| Tape Dumps from other machines started taking about 3 times as long. File

| transfers from other machines into this server slowed down to minutes instead

| of the former few seconds per transfer. Plus the files now end up with

| unannounced corruptions. These problems only occur on INCOMING data.

| Ftp or rcp outgoing from the server to other Suns go quickly as normal.

| Perfmeter windows mounted from the server on a SS2 tend to die several

| times a day.

| Possibility: The bootpd software was installed about that time in connection

| with a new network printer. We tried commenting out the bootpd stuff in

| /etc/bootptab, services, and inetd.conf.

| System: 4-processor 630MP(upgraded from a 4/330)

| 64Megs SunOs 4.1.2

| ALM-2 in the extra slot.

The problem was solved with a new motherboard on the Sun.

We assume the incoming circuitry was partially damaged, but the old

motherboard is still at the shop.

Thanks for the suggestions.

SysAdm+, MBCC, Bio Sciences -- U of Minnesota

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