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This is the support site for Andrews & Arnold Ltd, a UK Internet provider. Information on these pages is generally for our customers but may be useful to others, enjoy!

VMG1312-B10A: QoS: Difference between revisions

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The ZyXEL VMG1312 has QoS enabled by default with a set of default rules giving priorities to various protocols.
 
Initial findings show that the default settings may not ideal.
 
==The affect of disabling QoS==
 
Here we are running a backup job, an rsync (over ssh). Just after 7am QoS is disabled for around 30 minutes. The latency (blue) immediatly jumps up to an average of 350ms. It was less than 20ms with QoS enabled.
 
[[File:ZyXEL-VMG1312-Qos-OnOff-CQM.png|none|frame|Standard QoS enabled, then disabled, then enabled]]
 
 
==Problems with default settings==
 
With the default settings, running an rsync over ssh backup, kills DNS lookups completely!
 
[[Category:ZyXEL_VMG1312]]
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