Chapter 10 Interfaces
ZyWALL USG Series User’s Guide
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Figure 270 Configuration > Network > Interface > LAG
Each field is described in the following table.
Table 126 Configuration > Network > Interface > LAG
LABEL DESCRIPTION
Configuration
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 Zyxel Device 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.
References Select an entry and click References to open a screen that shows which settings use the
entry.
# This field is a sequential value, and it is not associated with any interface.
Status This icon is lit when the entry is active and dimmed when the entry is inactive.
Name This field displays the name of the LAG interface.
Description This field displays the description of the LAG interface.
Mode Mode refers to whether the LAG is acting as follows:
• active-backup where only one slave in the LAG interface is active and another slave
becomes active only if the active slave fails.
• 802.3ad (IEEE 802.3ad Dynamic link aggregation) where Link Aggregation Control
Protocol (LACP) negotiates automatic combining of links and balances the traffic load
across the LAG link by sending LACP packets to the directly connected device that
also implements LACP. The slaves must have the same speed and duplex settings.
• balance-alb (adaptive load balancing) where traffic is distributed according to the
current load on each slave by ARP negotiation. Incoming traffic is received by the
current slave. If the receiving slave fails, another slave takes over the MAC address of
the failed receiving slave.
IP Address This field displays the current IP address of the LAG interface. If the IP address is 0.0.0.0, the
interface does not have an IP address yet.
This screen also shows whether the IP address is a static IP address (STATIC) or dynamically
assigned (DHCP). IP addresses are always static in virtual interfaces.
Slaves A slave is a physical Ethernet interface that is a member of a LAG. Slaves do not have an IP
Address and in some cases share the same MAC address. This field displays the member
Ethernet interfaces and VLAN interfaces in the LAG. It is blank for virtual interfaces.
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