[mythtv-users] Gig Network
tom at redpepperracing.com
Fri Mar 9 16:42:35 UTC 2007
MacNean Tyrrell wrote:
> So i've been doing some reading, and just want to make sure i got some
> things straight. Is it true that i need mtu 9k on all my nic cards and
No. Regular MTU of 1500 is fine. You may get better throughput if you up
it to 9000, but EVERYTHING on the network has to support it.
> my switch? Especially for liek say the HD HomeRun? If i'm recording 2
> HD channels at the same time? Yea i don't necessarily get the whole
Two full rate HD channels from an HDHR will not fill a 100Meg network
link, much less a GigE.
> jumbo frames, mtu 9k thing. I've seen a lot of cheap ($7 us) gig nic
> cards but only 7.5k. So can someone elighten me? Also, anyone know of
> any cheap nic cards that work right away in Knoppmyth r5e50? (like i
> posted a bit ago, i couldn't get the r1000 driver to work for my dad's
> onboard gig nic card with this distrubution, and yes i know i'll need
> more info, just was curious if someone has gig nic working in that
> version i woul dbe more inclined to get that nic card) I'm also
> thinking of setting up a RAID server, so does the 9k thing matter with
> that also? Recording say 4 SD and 2HD at the same time over the network
> (just curious i have 4 analog and than the 2 HDHR ones if they were all
> recording at same time). Also, anyone recommend at good switch, say
> under $50 or ever less is always better. Sorry for the long post, i
> just dont' want to buy stuff and find out later i need more.
I have 5 or 6 D-Link DGE-530T cards, they are well supported in Linux,
and specifically KnoppMyth, using the sk98lin driver. They are $25 in
Canada. I also have 2 x 5 port D-Link Gig switches, and 1 x 8 port
Linksys Gig switch (I know, not optimal), I think the 5 ports are around
You will definitely see an increase just by plopping the cards in and
using the switch, you don't necessarily have to up the MTU. I tried, and
it sort of worked, but not really, so I put it back.
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