Can I use ports other than the built-in Standby port on PS12000 for Direct Standby?


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Solution

Overview

PacketWise 8.7.1 introduces a system variable to control which interface is used for connecting two PacketShaper 12000s for direct standby. By default, the built-in 10/100/1000Base-T Standby port is used. If you disable the nicUseBuiltinStandby system variable, an installed LEM is used for direct standby. You might choose to disable the built-in Standby interface and use a LEM for direct standby if your network is
fiber optic or if need more than 1Gbps throughput for direct standby. When nicUseBuiltinStandby is disabled, the outside interface of the right-most bridge pair LEM is used for direct standby and the inside interface can be used for management.

To disable the variable, you can go to the System Variables setup page in the Legacy UI or enter the following CLI command:

setup variable nicUseBuiltinStandby 0

You will need to reset the PacketShaper after changing the setting of the nicUseBuiltinStandby variable. In order to preserve system stability under load, the internal rate limit of 2Gbps per direction (inside or outside) of received traffic on all regular interfaces (management and direct standby interfaces excluded) will be changed to 2Gbps total for both directions, when the unit is configured for direct standby. This
change will only be observable if a 10G interface is used for direct standby. This change will ensure that the unit will not need to receive more than a total of 4Gbps (2Gbps traffic from its data interfaces plus 2Gbps from the standby partner), excluding management traffic.

 

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Additional Information
Bug Number
InQuira Doc IdFAQ1539
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First Published      10/01/2014
Last Modified      10/01/2014
Last Published      10/01/2014
Article Audience
Product      PacketShaper 12000
Software      PacketWise 8
Article Number      000008342
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