Default Interface And Zone Configuration - ZyXEL Communications ZYWALL USG 2000 Manual

Unified security gateway

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• Ethernet interfaces are the foundation for defining other interfaces and

network policies. You also configure RIP and OSPF in these interfaces.

• Port groups create a hardware connection between physical ports at the layer-

2 (data link, MAC address) level.

• PPPoE/PPTP interfaces support Point-to-Point Protocols (PPP). ISP accounts

are required for PPPoE/PPTP interfaces.

• VLAN interfaces recognize tagged frames. The ZyWALL automatically adds or

removes the tags as needed. Each VLAN can only be associated with one

Ethernet interface.

• Bridge interfaces create a software connection between Ethernet or VLAN

interfaces at the layer-2 (data link, MAC address) level. Then, you can configure

the IP address and subnet mask of the bridge. It is also possible to configure

zone-level security between the member interfaces in the bridge.

• Virtual interfaces increase the amount of routing information in the ZyWALL.

There are three types: virtual Ethernet interfaces (also known as IP alias),

virtual VLAN interfaces, and virtual bridge interfaces.

• The auxiliary interface, along with an external modem, provides an interface

the ZyWALL can use to dial out. This interface can be used as a backup WAN

interface, for example. The auxiliary interface controls the AUX port.

5.2.2 Default Interface and Zone Configuration

This section explains the ZyWALL's factory default zone and interface

configuration. The following figure uses letters to denote public IP addresses or

part of a private IP address.

Figure 50 Default Network Topology

ZyWALL USG 2000 User's Guide

Chapter 5 Configuration Basics