Patch-ID#  100260-01
Keywords: 4.1_PSR_A misaligned frames ie controller underrun
Synopsis: SunOS 4.1_PSR_A: misaligned frames from ie controller during heavy traffic.
Date: 03/Apr/91

SunOS RELEASE: 4.1_PSR_A

Topic: IE Patch

BugID's fixed with this patch: 1054014 

Architectures for which this patch is available: sun4-490 sun4-470 only.

Obsolete By: SVR4

Problem Description:

BUGID: 1054014

Confirmed that the 4/490 was sending out misaligned frames.
A network sniffer will show at the DLC layer that the "bad" packets are misaligned frames.


INSTALL:
Examples are for a sun4, make sure and use your corect architecture.

As root:
# mv /sys/sun4/OBJ/ie_conf.o /sys/sun4/OBJ/ie_conf.o.FCS
# mv /sys/sun4/OBJ/if_ie.o /sys/sun4/OBJ/if_ie.o.FCS

# cp sun4/ie_conf.o /sys/sun4/OBJ/ie_conf.o
# cp sun4/if_ie.o /sys/sun4/OBJ/if_ie.o

A new kernel will need to be built and installed.
Please refer to the system and networking administration manual
for details on building and installing a new kernel