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Cisco Bug: CSCvv34032 - RV260W: On WAN interface is not possible to configure a /31 subnet mask

Last Modified

Sep 09, 2020

Products (1)

  • Cisco Small Business RV Series Routers

Known Affected Releases

Description (partial)

On WAN Settings page when trying to configure a /31 subnet mask, below message will appear:

"Invalid IPv4 address refers to Subnet Mask."

There are cases when users would pick this mask to configure point to point between two devices to save on addresses.

Trying to configure a /31 subnet mask on WAN Settings

Models affected:

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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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