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Device Manager Guide, Cisco ACE 4700 Series Application Control Engine Appliance

OL-26645-02

Chapter 3 Using DM Guided Setup

Using Application Setup

• If you want to set up a separate management VLAN interface for the virtual context, under

Management Settings, configure the management interface for this virtual context and create an

admin user. Each context also has its own management VLAN that you can access using the DM

GUI. In this case, you would assign an independent VLAN and IP address for management traffic

to access the virtual context.

Step 6 To edit the load-balancing configuration for a virtual context, continue to the Application Setup task.

See the “Using Application Setup” section on page 3-9.

Related Topics

• Using ACE Hardware Setup, page 3-3

• Using Virtual Contexts, page 4-2

• Managing Resource Classes, page 4-35

• Creating Virtual Contexts, page 4-2

• Configuring Virtual Contexts, page 4-7

• Using Application Setup, page 3-9

Using Application Setup

This section contains the following topics:

• ACE Network Topology Overview, page 3-9

• Using Application Setup, page 3-10

ACE Network Topology Overview

With respect to ACE configuration, the network topology describes where—which VLAN or

subnet—client traffic comes into the ACE and where this traffic is sent to real servers. Network

configuration for ACE load balancing depends on the surrounding topology. By specifying to DM the

topology that is appropriate for your networking application, DM can present more relevant options and

guidance.

The network topology is often determined solely by your existing network; however, the goals for your

ACE deployment can also play a role. For example, when ACE acts as a router between clients and

servers, it provides a level of protection by effectively hiding the servers from the clients. On the other

hand, for a routed topology to work, each of those servers must be configured to route back through the

ACE, which can be a significant change to the network routing.

The ACE is also capable of bridging the client and server VLANs, which does not affect server routing.

However, it does require the network to have VLANs set up appropriately.

If you are not sure what topology to use, or do not want to make topology decisions immediately, use

the “one-armed” topology. The one-armed topology does not typically require any changes to an existing

network and can be set up with minimal knowledge of the network. You can then expand your ACE

network topology to routed mode or bridged mode to better suit your networking requirements.

Figure 3-1 illustrates the one-armed network topology.

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