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тАО04-26-2011 01:46 PM
тАО04-26-2011 01:46 PM
Manufacuring Network
This brings up 3 questions:
1. Is this normal for a manufacturing floor?
2. What is Ethertype 0x8874?
3. Could this be chewing up my router at times?
Thanks for any insight.
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тАО04-27-2011 08:34 AM
тАО04-27-2011 08:34 AM
Re: Manufacuring Network
1) Is the cabling to the nodes a shielded type or fiber?
2) Is any heavy-duty equipment connected on the same power circuit as your router?
As for 0x8874, looking it up with IEEE, it reads the following:
"8874 Broadcom Corp. Protocol unavailable."
Probably indicates you have broadcom NICs on your network -- very common and no big deal. However, it also leads me to suspect that you might have a speed/duplexing mismatch somewhere in the horizontal cabling plant.
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тАО04-27-2011 08:40 AM
тАО04-27-2011 08:40 AM
Re: Manufacuring Network
There is no high voltage power anywhere near either (2810-G24) switch on that network, or my router.
Not too shocking that the interfaces on that network are Broadcom. They have been around for years.
I doubt I will get any help from the other contractor. He acts like his network is a black art or something. I may just have to install a router in front of his network, and VPN them together.
Thanks for your help.
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тАО04-27-2011 01:00 PM
тАО04-27-2011 01:00 PM
Re: Manufacuring Network
It depends what it's 90% of: if the manufacturing network is fairly self contained, it's probably OK if most of the traffic that hits the router is hellos and junk like that.
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тАО04-27-2011 01:18 PM
тАО04-27-2011 01:18 PM