Troubleshooting guide

1-54
Cisco Wide Area Application Services Configuration Guide
OL-26579-01
Chapter 1 Configuring Application Acceleration
Creating a New Traffic Optimization Policy
Note When configuring optimization policies on a device group, if the device group contains devices
running a WAAS version prior to 4.4.1 and you are configuring an action that includes
Unidirectional or Adaptive caching, the caching mode is converted to bidirectional. Similarly,
when devices running WAAS versions prior to 4.4.1 join a device group that is configured with
optimization policies that use Unidirectional or Adaptive caching, the caching mode is converted
to bidirectional. In such cases, we recommend that you upgrade all devices to the same software
version or create different device groups for devices with incompatible versions.
Step 7 From the Accelerate drop-down list, choose one of the following additional acceleration actions that
your WAAS device should take on the defined traffic:
• None—No additional acceleration is done.
• MS PortMapper—Accelerate using the Microsoft Endpoint Port Mapper (EPM).
• CIFS Adaptor—Accelerate using the CIFS or SMB Accelerators.
Table 1-5 Action Descriptions
Action
1
1. When configuring a device running a WAAS version prior to 4.4.1, options that include Unidirectional or Adaptive caching
are not shown in the Action list.
Description
Passthrough Prevents the WAAS device from optimizing the application traffic defined
in this policy by using TFO, DRE, or compression. Traffic that matches
this policy can still be accelerated if an accelerator is chosen from the
Accelerate drop-down list.
TFO Only Applies a variety of transport flow optimization (TFO) techniques to
matching traffic. TFO techniques include BIC-TCP, window size
maximization and scaling, and selective acknowledgement. For a more
detailed description of the TFO features, see the “TFO Optimization”
section on page 1-4.
TFO with DRE (Adaptive
Cache)
Applies both TFO and DRE with adaptive caching to matching traffic.
TFO with DRE
(Unidirectional Cache)
Applies both TFO and DRE with unidirectional caching to matching
traffic.
TFO with DRE
(Bidirectional Cache)
Applies both TFO and DRE with bidirectional caching to matching traffic.
TFO with LZ
Compression
Applies both TFO and the LZ compression algorithm to matching traffic.
LZ compression functions similarly to DRE but uses a different
compression algorithm to compress smaller data streams and maintains a
limited compression history.
TFO with DRE (Adaptive
Cache) and LZ
Applies TFO, DRE with adaptive caching, and LZ compression to
matching traffic.
TFO with DRE
(Unidirectional Cache)
and LZ
Applies TFO, DRE with unidirectional caching, and LZ compression to
matching traffic.
TFO with DRE
(Bidirectional Cache) and
LZ
Applies TFO, DRE with bidirectional caching, and LZ compression to
matching traffic.