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There is a known issue which, when configuring SNE’s management port with an IP config that includes a subnet mask of 255.255.255.252, uses the network address or broadcast address in the gateway field, this is incorrectly flagged as valid and can cause that interface to become inaccessible and the unit to enter a boot loop.
Units suffering from this issue can currently only be recovered by Calnex personnel so it is highly recommended that this configuration is completely avoided. Any subnet mask equal to .
Only valid host addresses on a given subnet should be entered into the gateway field.
E.g., if SNE IP address = 192.168.1.100 and subnet mask = 255.255.255.248 or below will work without issue, provided the IP config itself is a valid one0, valid hosts are 192.168.1.1 - 192.168.1.254.
Please contact your local Calnex representative or Calnex support at support@calnexsol.com for any questions or concerns on this issue.