- Jun 2, 2013
- 73
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my movie player is getting problems to play the recently encoded stuff on the NAS server due to its lack of CPU capacity, so one of the things i'd like to try is to get jumbo frames working.
NAS server adaptor: Broadcom BCM5704C
media center adaptor RTL8111E (I don't have much choice here, the mainboard is E35M1-I and I need the PCIe slot)
both support MTU 9000
switch between both of them is netgear gs608, which should support jumbo frames
problem: I can't get it working! I even tried the 2nd port of the BCM controller on the NAS (without taking the first one offline, it has a separate interrupt and separate specs), the official realtek driver (r8168) instead of the open-source one (r8169), etc ...
both adapters claim to accept packet sizes up to MTU 9000, but as soon as I'm starting to use tracepath with an MTU > 1500, there's no answer.
this is not a network performance issue: when I'm simply trying dd if=/nfs/mounted/dir/hugeimage.iso of=/dev/null, the network speed is almost 120MB/s, it's just an issue of offloading the CPU while it is occupied performing video decoding
NAS settings:
for the media player:
Any ideas where to start debugging? I have other PC's in here, but none of them supports jumbo frames
*edit: to make the idea even more clear:
I guess everybody understands the situation ... :s
NAS server adaptor: Broadcom BCM5704C
media center adaptor RTL8111E (I don't have much choice here, the mainboard is E35M1-I and I need the PCIe slot)
both support MTU 9000
switch between both of them is netgear gs608, which should support jumbo frames
problem: I can't get it working! I even tried the 2nd port of the BCM controller on the NAS (without taking the first one offline, it has a separate interrupt and separate specs), the official realtek driver (r8168) instead of the open-source one (r8169), etc ...
both adapters claim to accept packet sizes up to MTU 9000, but as soon as I'm starting to use tracepath with an MTU > 1500, there's no answer.
this is not a network performance issue: when I'm simply trying dd if=/nfs/mounted/dir/hugeimage.iso of=/dev/null, the network speed is almost 120MB/s, it's just an issue of offloading the CPU while it is occupied performing video decoding
NAS settings:
for the media player:
Any ideas where to start debugging? I have other PC's in here, but none of them supports jumbo frames
*edit: to make the idea even more clear:
I guess everybody understands the situation ... :s
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