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Additional Base Network Configuration

BIG-IP® Reference Guide 3-1

Introduction

Setting up the base network for BIG-IP means configuring elements such as

the BIG-IP host name, a default gateway pool, interface media settings, and

VLANs and self IP addresses. Configuration tasks for the BIG-IP base

network are performed using the BIG-IP Setup utility. For information on

using the Setup utility, see Chapter 2, Using the Setup Utility.

Once you have configured the base network elements with the Setup utility,

you might want to further enhance the configuration of these elements. This

chapter provides the information you need to perform these additional

configuration tasks. You can perform these tasks using either the

Configuration utility or the bigpipe command.

Elements you might want to further configure after running Setup are:

◆ Interfaces

You can set the media type and the duplex mode for an interface, as well

as display interface status.

◆ VLANs

VLAN options include tagging and assigning interfaces to VLANs. In

addition, you can group separate VLANs together for the purpose of

bridging packets between them.

◆ Self IP addresses

You can change self IP addresses or create any number of additional self

IP addresses for a VLAN.

If your BIG-IP is an IP Application Switch, you also have three other

BIG-IP features you can configure:

◆ Trunks

Trunks are aggregated links. In link aggregation, interfaces can be

combined into a trunk to increase bandwidth in an additive manner. The

other benefit of link aggregation is link fail-over. If one link in a trunk

goes down, traffic is simply redistributed over the remaining links.

◆ Spanning Tree Protocol (STP)

STP domains provide for loop resolution in configurations where one or

more external switches is connected in parallel with an IP Application

Switch.

◆ Port mirroring

This allows you to copy traffic from any interface or set of interfaces on

a BIG-IP Application Switch to a single, separate interface. Typically

you would install a sniffer device on the target port for debugging and/or

monitoring.

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