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[ScreenOS] Do ScreenOS devices support mixed mode (L2/L3) configuration?

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Article ID: KB27831 KB Last Updated: 29 Aug 2013Version: 1.0
Summary:

This article explains how to check whether a ScreenOS device is configured in mixed (L2/L3) configuration. This configuration is not supported.

Symptoms:

ScreenOS device is configured in mixed mode configuration as shown below. Is this configuration supported?

-> get int

A - Active, I - Inactive, U - Up, D - Down, R - Ready

Interfaces in vsys Root:
Name     IP Address   Zone   MAC            VLAN   State VSD Vsys
eth1/3   0.0.0.0/0    Trust  0010.dbff.2090  -      D     0   Root  >>>>>>> eth1/3 part of Trust zone is configured in L3 mode
eth1/4   0.0.0.0/0  V1-Trust 0010.dbff.20a0  -      D     0   Root  >>>>> eth1/4 part of V1-Trust zone is configured in L2 mode

->  get sys | inc mode
System in L2/L3 mixed mode.


This type of configuration (mixed mode) is not supported on NetScreen firewall.

Cause:
 
Solution:
Mixed mode (L2/L3) is not supported and there are no short term plans to support this configuration.
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