Troubleshooting guide

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Cisco Wide Area Application Services Configuration Guide
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Chapter 1 Configuring Traffic Interception
Using Inline Mode Interception
Note When you install any inline WAE device, you must follow the cabling requirements described in the
“Cabling” section of Installing the Cisco WAE Inline Network Adapter or the appropriate platform
hardware guide.
Any combination of traffic interception mechanisms on peer WAEs is supported. For example, you can
use inline interception on the branch WAE and WCCP on the data center WAE. For complex data center
deployments, we recommend that you use hardware-accelerated WCCP interception with the WAAS
AppNav solution (see Chapter 1, “Configuring AppNav”) or load balancing with the Cisco Application
Control Engine (ACE).
Figure 1-6 Inline Interception
Note Inline mode and WCCP redirection are exclusive. You cannot configure inline mode if the WAE is
configured for WCCP operation. Inline mode is the default mode when a Cisco WAE Inline Network
Adapter is installed in a WAE device, but you must configure inline mode explicitly on a device with a
Cisco Interface Module.
Note An inline WAE can be configured as a Central Manager, but the inline interception functionality is not
be available.
The Cisco WAE Inline Network Adapter contains two or four Ethernet ports, the Cisco Interface Module
contains two to eight Ethernet ports, and the Cisco AppNav Controller Interface Module contains four
to 12 Ethernet ports. Ports on the Cisco WAE Inline Network Adapter are always configured as inline
ports, while ports on the Interface Modules are configured as normal standalone ports by default, and
you must explicitly configure these ports as inline ports. Each pair of inline ports is grouped into a
logical inline group.
Each inline group has one LAN-facing port and one WAN-facing port. Typically, you use just one inline
group, and connect the LAN-facing port to a switch and the WAN-facing port to a router. On adapters or
interface modules with additional ports, the additional groups of interfaces are provided if you are using
a network topology where you need to connect the WAE to multiple routers. Traffic that enters on one
interface in a group exits the device on another interface in the same group.
Hardware platform support for inline ports is as follows:
• WAVE-274/474—Support one installed two-port Cisco WAE Inline Network Adapter.
• WAVE-574—Supports one installed two-port or four-port Cisco WAE Inline Network Adapter.
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Clients
Switch
Switch
File and
application servers
Edge WAE Core WAE
RouterRouter
WAN