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Jumbo Frames and switch

post #1 of 5
Thread Starter 
Looking to get a gigabit switch.

This switch will site in front of my Uverse router. This will give my internal network gig speed. I need this cause of having one central media server.

Should I get a switch with jumbo frames and enable them? Will this cause an issue with the connection between the Uverse Router and the switch?

Any other issues that can come up? Latency?
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post #2 of 5
Putting it behind your router, will give your network gig speed. No point in putting it in front of it.

As far as jumbo frames, if the router doesnt support them, they will get converted to normal 1500byte frames. Or at any point along the connection if it doesn't support jumbo's, will convert them anyhow. As far as connection wise, it shouldn't affect it at all. And latency won't be affected.
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post #3 of 5
Thread Starter 
Thanks. Ya, I meant behind it.
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post #4 of 5
You could I suppose, but it isn't going to be a night and day difference.

The main place you see jumbo frames is in virtualized environments, where each frame has to be processed by the CPU, so if you use jumbo frames, the CPU will have less interrupts, and thus lower utilization.
    
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post #5 of 5
i realize im VERY late to the party but based on the fact i was looking for the same info and found next to NOTHING related to the uverse gateway specifically - i figured id reply in case someone googles this at some point or whatnot. Doing my duty ya know tongue.gif

Anyhow, the NVG589 has a max MTU of 1500 but with a switch/router w/e behind it you should be fine.

I set up my Netgear ProSafe smart switch as well as my intel NICS to use 9k packets though you can use whatever size you prefer so long as everything supports jumbo frames.

A fast easy way to test is ala ping and if they come thru your golden, if they time out your GG'd somewhere along the line.

command after changing packets is

ping 192.168.xxx.xxx -f -l 9000

basically ping yourchosenIP -f -l yourchosenpacketsize

hope this helps!
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