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On Thu, 23 May 2013, David Coulson wrote:
>
> On 5/23/13 11:04 AM, daryl herzmann wrote:
>> Greetings,
>>
>> I have a LVS-NAT web cluster that seems to be nicely chugging along. My
>> LVS director has the following specs:
>>
>> - Dell OptiPlex 745
>> - Intel(R) Pentium(R) D CPU 3.40GHz
>> - 4 GB Memory
>> - BCM5754 Gigabit Ethernet PCI Express (two ports) [gro is disabled!]
> I was told by RedHat the GRO issue is fixed in RHEL6.4 - Not had chance to
> test it yet.
Thanks, it appears this is the relevant bug?
https://bugzilla.redhat.com/show_bug.cgi?id=854066
I did a test of this:
# ethtool -k eth1
Features for eth1:
rx-checksumming: on
tx-checksumming: on
scatter-gather: on
tcp-segmentation-offload: on
udp-fragmentation-offload: off
generic-segmentation-offload: on
generic-receive-offload: on
large-receive-offload: off
rx-vlan-offload: on
tx-vlan-offload: on
ntuple-filters: off
receive-hashing: off
and the problem did not appear to go away. The traffic through the
director was extremely sluggish, so I failed back to having 'gro off',
shrug...
daryl
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