NetSight v4.3 WAS Server Gateway cannot be set to Valid x.x.x.255 Host Address

FAQ_User — Mon, 02 Dec 2013 20:35:00 GMT

Article ID: 14684

Products
NetSight Wireless Manager; versions 4.2, 4.3
for Enterasys (formerly HiPath) Wireless Controller

Changes
Performing the initial post-installation setup ("Server Setup Step 2, Change Network Settings, Change Server Network Interface (eth0) settings").
Configuring the IP Address for the Wireless Advanced Services (WAS) server, specifying a Subnet Mask of less than 24 bits and a Gateway IP Address ending with .255; for example:

type "set network"
set the IP Address (example 120.120.120.133)
set the Subnet Mask (16-bit example 255.255.0.0)
set the Gateway IP Address (problematic example 120.120.120.255)

Symptoms
The system editor issues error message "Error: Invalid value" in response to the given Gateway IP Address.

Cause
The editor incorrectly assumes that a terminating .255 always represents a subnet broadcast (not host) address, as it does when using a standard 24-bit subnet mask.

Solution/Workaround
Upgrade NetSight Suite to version 4.4.0.95 or higher.

Pre-upgrade workaround: Use a gateway IP address having a different last octet value.

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NetSight v4.3 WAS Server Gateway cannot be set to Valid x.x.x.255 Host Address