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Jumbo Frames

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  • user warning: Table './drupal_gding/cache_filter' is marked as crashed and should be repaired query: UPDATE cache_filter SET data = '<p>I was just wondering if anyone out there is using jumbo frames on there Mythtv network, and if so, are there any drawbacks to doing so. I have some gigabit switches on order and am wondering if setting my network up for jumbo frames will help me or hurt me.<br />\nI have one backend server and three frontends with my videos/dvd\'s stored remotely on another linux server(Everything was setup piecemeal over time). I am concerned about bandwidth with multiple users watching dvds at the same time (streaming from the non-myth linux server). </p>\n<p>Thanks</p>\n', created = 1369283669, expire = 1369370069, headers = '', serialized = 0 WHERE cid = '1:3eecc2eff120ecfda5ea8331074fadf6' in /var/www/mythdora/html/includes/cache.inc on line 109.
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  • user warning: Table './drupal_gding/cache_filter' is marked as crashed and should be repaired query: UPDATE cache_filter SET data = '<p>The trouble I found with using Jumbo Frames was that if you attach anything other than a Gigabit lan device onto the network then your performance gain is lost.</p>\n<p>In my example I was using a Wireless router and a 100 Mb lan in an old pc, so I left it as the default.</p>\n<p>One thing you should look at is what gigabit lan cards you use and what interface and drivers they use. I found that my server\'s PCI bus was swamped with a software raid 5 disk array and 2 gigabit lan cards.</p>\n<p>Try and get the newer PCI-E cards...</p>\n<p>Only other point was making sure that all your routers fully support 802.3ad properly, my Dell router didn\'t so I could only use the manual switching instead.</p>\n<p>Article22.</p>\n', created = 1369283670, expire = 1369370070, headers = '', serialized = 0 WHERE cid = '1:4c25c9520eb32a83d0685ddbcc5f97ea' in /var/www/mythdora/html/includes/cache.inc on line 109.
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Submitted by Noblewolf on January 7, 2008 - 8:54am

I was just wondering if anyone out there is using jumbo frames on there Mythtv network, and if so, are there any drawbacks to doing so. I have some gigabit switches on order and am wondering if setting my network up for jumbo frames will help me or hurt me.
I have one backend server and three frontends with my videos/dvd's stored remotely on another linux server(Everything was setup piecemeal over time). I am concerned about bandwidth with multiple users watching dvds at the same time (streaming from the non-myth linux server).

Thanks

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The trouble I found with

Submitted by Article22 on January 8, 2008 - 11:04am.

The trouble I found with using Jumbo Frames was that if you attach anything other than a Gigabit lan device onto the network then your performance gain is lost.

In my example I was using a Wireless router and a 100 Mb lan in an old pc, so I left it as the default.

One thing you should look at is what gigabit lan cards you use and what interface and drivers they use. I found that my server's PCI bus was swamped with a software raid 5 disk array and 2 gigabit lan cards.

Try and get the newer PCI-E cards...

Only other point was making sure that all your routers fully support 802.3ad properly, my Dell router didn't so I could only use the manual switching instead.

Article22.

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Article22.

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