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05-08-2009 12:35 AM
05-08-2009 12:35 AM
Discards rate for Interface lan0
On our virtual HP guest we receive the following error:
Discards rate for Interfacelan0 HP PCI 1000Base-T Release B.11.23.0812 is 6.341%, threshold value for this monitor is 1%. Interface description is 'lan0 HP PCI 1000Base-T Release B.11.23.0812' and index is 1. Circuit ID not configured.
How to fix this error?
Kind regards
Jan
Discards rate for Interfacelan0 HP PCI 1000Base-T Release B.11.23.0812 is 6.341%, threshold value for this monitor is 1%. Interface description is 'lan0 HP PCI 1000Base-T Release B.11.23.0812' and index is 1. Circuit ID not configured.
How to fix this error?
Kind regards
Jan
2 REPLIES 2
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05-11-2009 09:22 AM
05-11-2009 09:22 AM
Re: Discards rate for Interface lan0
What this means is that there is traffic being generated faster than it can be sent-out the interface. It may be possible to increase the depth of the transmit queue, but that will only help if the nature of these discards is they are from occasionally bursts. In the abstract, a sustained oversubscription of the interface has two basic solutions - get a faster interface, or generate less traffic.
If this is an interface in a virtual guest, perhaps giving it more CPU cycles will help, but that is a longshot - I would think the host/hypervisor/callitwhatyouwill - would need to pull packets faster. So, if this guest is sharing a physical interface with other guests, perhaps adding additional physical interfaces and spreading the guests across them will help.
If this is an interface in a virtual guest, perhaps giving it more CPU cycles will help, but that is a longshot - I would think the host/hypervisor/callitwhatyouwill - would need to pull packets faster. So, if this guest is sharing a physical interface with other guests, perhaps adding additional physical interfaces and spreading the guests across them will help.
there is no rest for the wicked yet the virtuous have no pillows
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05-11-2009 10:31 AM
05-11-2009 10:31 AM
Re: Discards rate for Interface lan0
Shalom Jan,
1000Mbps NIC cards must be configured auto negotiate to work right.
Therefore any problems you encounter are either network hardware, or switch configuration, usually the later, the switch port.
SEP
1000Mbps NIC cards must be configured auto negotiate to work right.
Therefore any problems you encounter are either network hardware, or switch configuration, usually the later, the switch port.
SEP
Steven E Protter
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
The opinions expressed above are the personal opinions of the authors, not of Hewlett Packard Enterprise. By using this site, you accept the Terms of Use and Rules of Participation.
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