While browsing WRS SPRs for the memPartInfoGet() bug I mentioned
in another thread, I decided to see if WRS fixed the bug in the
network stack that caused "multicast storms" for us. We've long since
worked around that bug by disabling IP forwarding, so it was just a
matter of curiosity for me. What I saw surprised me :
SPR
TITLE: Ill formed Ethernet packet (multicast Ethernet address with sub
net IP address causes a multicast storm of packets with another vxWorks
target
SPR #: 70788
STATUS: Fixed
DATE FIXED: May 05 2003
IDE:
RTOS:
PRODUCT NAME: VxWorks 5.4
RELEASE STATUS: FCS
PRODUCTS AFFECTED: VxWorks
HOST: All
HOST OS: All All
ARCH FAMILY: All
PROCESSOR FAMILY: N/A
PROCESSOR: All
BSP:
DESCRIPTION: Ill formed Ethernet packet (multicast Ethernet address with
sub net IP address) causes a multicast storm of packets with another
vxWorks target.
PATCHES:
DATE CREATED: Oct 08 2001
They claim to have fixed the problem! What I cannot figure out
is how to get the fix! There is no link to a patch, and no mention of
this SPR in any of the available patches on the WRS web site. So now
I'm wondering how SPRs work. I guess that "fixed" means that the problem
is understood, and the coding is done, and it will eventually find its
way into a patch. Is that right? Or is there some other way to search
the available patches to find which one contains this fix?
-- Larry
- Replies:
- Re: multicast storms, or how do WRS SPRs work Andrew Johnson
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