[f-nsp] Multicast causing high CPU

[Jan Pedersen]

Try to install Release 5.1 for FESX which was released on 05-19-2009. We
also raised a ticket on this, and Brocade claims that this issue is
fixed in this new code.

We haven't been able to confirm the fix yet.


Best regards

Jan Pedersen
Senior Network Specialist
D: +45 7730 2932
M: +45 2550 7321

-----Original Message-----
From: foundry-nsp-bounces at puck.nether.net
[mailto:foundry-nsp-bounces at puck.nether.net] On Behalf Of Richard A
Steenbergen
Sent: 28. maj 2009 20:57
To: foundry-nsp
Subject: Re: [f-nsp] Multicast causing high CPU

Did anybody ever come up with a fix for this? I have some FESX and
SuperX switches doing simple L2 forwarding, and it seems that they are 
CPU switching all the flooded multicast traffic (the default behavior if

you don't do igmp snooping). I opened a case on this and was told that 
these platforms are incapable of hardware flooding multicast traffic, 
which seems like a serious design flaw.

-- 
Richard A Steenbergen <ras at e-gerbil.net>
http://www.e-gerbil.net/ras
GPG Key ID: 0xF8B12CBC (7535 7F59 8204 ED1F CC1C 53AF 4C41 5ECA F8B1
2CBC)
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