User's Manual

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Chapter 12 Interfaces

ISG50 User’s Guide

269

• Zero or one VLAN interfaces (and any associated virtual VLAN interfaces)

• Any number of Ethernet interfaces (and any associated virtual Ethernet interfaces)

When you create a bridge interface, the ISG50 removes the members’ entries from the routing

table and adds the bridge interface’s entries to the routing table. For example, this table shows the

routing table before and after you create bridge interface br0 (250.250.250.0/23) between lan1

and vlan1.

In this example, virtual Ethernet interface lan1:1 is also removed from the routing table when lan1

is added to br0. Virtual interfaces are automatically added to or remove from a bridge interface

when the underlying interface is added or removed.

12.7.1 Bridge Summary

This screen lists every bridge interface and virtual interface created on top of bridge interfaces. To

access this screen, click Configuration > Network > Interface > Bridge.

Figure 184 Configuration > Network > Interface > Bridge

Each field is described in the following table.

Table 76 Example: Routing Table Before and After Bridge Interface br0 Is Created

IP ADDRESS(ES) DESTINATION IP ADDRESS(ES) DESTINATION

210.210.210.0/24 lan1 221.221.221.0/24 vlan0

210.211.1.0/24 lan1:1 230.230.230.192/26 wan2

221.221.221.0/24 vlan0 241.241.241.241/32 dmz

222.222.222.0/24 vlan1 242.242.242.242/32 dmz

230.230.230.192/26 wan2 250.250.250.0/23 br0

241.241.241.241/32 dmz

242.242.242.242/32 dmz

Table 77 Configuration > Network > Interface > Bridge

LABEL DESCRIPTION

Add Click this to create a new entry.

Edit Double-click an entry or select it and click Edit to open a screen where you can modify

the entry’s settings.

Remove To remove an entry, select it and click Remove. The ISG50 confirms you want to

remove it before doing so.

Activate To turn on an entry, select it and click Activate.

Inactivate To turn off an entry, select it and click Inactivate.

Create Virtual

Interface

To open the screen where you can create a virtual interface, select an interface and

click Create Virtual Interface.