interfaces.
• Interfaces: Select the interfaces to be in the group
3. Click OK
3.4.11. Layer 2 Pass Through
On some interface types, NetDefendOS provides the ability to enable layer 2 pass through either
or both DHCP and non-IP protocols. Both are disabled by default but can be enabled on the
following interface configuration types:
• Ethernet
• VLAN
• Link Aggregation
• L2TPv3
In order for these options to functions, transparent mode must also be enabled directly on the
interface (it should not be enabled by manually adding switch routes).
Note: L2TPv3 interfaces do not need transparent mode enabled
L2TPv3 interfaces in a NetDefendOS configuration do not have a property for enabling
transparent mode so this does not need to be enabled first before enabling DHCP or
non-IP protocol passthrough.
As shown in the example below, pass through can be enabled separately or together for the
following:
Example 3.27. Enabling Layer 2 Pass Through
This example enables transparent mode as well as DHCP pass through and non-IP protocol
passthrough on the interface if1.
Command-Line Interface
gw-world:/> set Interface Ethernet if1
AutoSwitchRoute=yes
DHCPPassthrough=Yes
NonIPPassthrough=Yes
Web Interface
1. Go to: Network > Interfaces and VPN > Ethernet
2. Select the interface if1.
3. Enter the following:
• Enable Enable Transparent Mode
Chapter 3: Fundamentals
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