Cisco Wide Area Virtualization Engine 274 Troubleshooting Guide download pdf (Page 113)

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Cisco Wide Area Application Services Configuration Guide

OL-26579-01

Chapter 1 Configuring AppNav

Configuring an AppNav Cluster

Step 4 In the Name field, enter a new name for the cluster if you want to rename it.

Step 5 (Optional) In the Description field, enter the cluster description. Use only letters and numbers, up to a

maximum of 200 characters.

Step 6 (Optional) In the Authentication Key and Confirm Authentication Key fields, enter an authentication key

that is used to authenticate communications between the WAAS devices in the cluster. Use only letters

and numbers, up to a maximum of 64 characters.

Step 7 (Optional) In the Shutdown Wait Time field, enter the number of seconds that WNs in the cluster should

wait for all connections to terminate before shutting down. The default is 120 seconds.

Step 8 (Optional) To configure cluster distribution and off-loading of pass-through connections, expand the

Advanced Settings section by clicking it.

Step 9 (Optional) To enable distribution of traffic from the ANCs in the cluster to WNs, ensure that the Enable

distribution of traffic on AppNav Controllers check box is checked. To disable distribution of traffic,

uncheck this box. When distribution is disabled, the cluster operates in monitoring mode where it

continues to intercept traffic and, instead of distributing it to WNs, passes it through. This mode can be

useful for monitoring traffic statistics without optimizing the traffic.

Step 10 (Optional) To configure offloading of pass-through connections from WNs to ANCs, check the check

boxes in the Enable offload of pass-through connections from WAAS nodes to AppNav Controllers

for following reasons section. This feature allows pass-through connections to be passed through at the

ANC instead of being distributed to the WN and then passed-through. Configure pass-through offload

as follows:

a. To offload all pass-through connections, which includes connections passed through due to error

conditions, check the All pass-through connections check box. Check this box only if you do not

need application visibility on the WNs into pass-through traffic due to error conditions. The default

is unchecked.

b. To offload connections passed through due to missing policy configuration, check the Due to

missing policy configuration check box. The default is checked.

c. To offload connections passed through due to no peer WN, check the Due to no peer WAAS node

check box. The default is checked.

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