Cisco Wide Area Virtualization Engine 274 Guía para resolver problemas descargar pdf (Pagina 166)

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Cisco Wide Area Application Services Configuration Guide

OL-26579-01

Chapter 1 Configuring Traffic Interception

Using Inline Mode Interception

Note Enter the set ip next-hop verify-availability command for each route map that is configured on

this branch office edge router and on the data center’s core router that has also been configured

to use PBR to transparently redirect traffic to WAEs.

Step 3 Configure the IP SLA tracking instance 1:

Edge-Router1(config-route-map)# exit

Edge-Router1(config)# ip sla 1

Step 4 Configure the router to use the specified source and destination ports to use TCP connection attempts at

a fixed interval of 60 seconds to monitor the WAE availability:

Edge-Router1(config-ip-sla)# tcp-connect 1.1.1.100 80 source-port 51883 control disable

Edge-Router1(config-ip-sla)# exit

Step 5 Schedule the IP SLA tracking instance 1 to start immediately and to run forever:

Edge-Router1(config)# ip sla schedule 1 life forever start-time now

Step 6 Configure the IP SLA tracking instance 1 to track the device, which is defined in the IP SLA tracking

instance 1:

Edge-Router1(config)# track 1 rtr 1

If you are configuring PBR and have multiple WAEs, and you are using Method 3 to verify PBR next-hop

availability of a WAE, you must configure a separate IP SLA per WAE and then run the track command

per IP SLA.

Using Inline Mode Interception

This section contains the following topics:

• Information About Inline Interception, page 1-42

• Enabling Inline Operation on WAEs, page 1-44

• Configuring Inline Interface Settings on WAEs, page 1-46

• Configuring Inline Operation on ANCs, page 1-49

• Configuring an IP Address on an Inline Interface, page 1-51

• Configuring VLANs for Inline Support, page 1-52

• Information About Clustering Inline WAEs, page 1-53

• Disabling Peer Optimization Between Serial Inline WAEs, page 1-54

Information About Inline Interception

The WAE can physically and transparently intercept traffic between the clients and the router by using

inline mode. To use inline mode, you must use a WAE with the Cisco WAE Inline Network Adapter or

Interface Module installed. In this mode, you physically position the WAE device in the path of the

traffic that you want to optimize, typically between a switch and a router, as shown in Figure 1-6.

Redirection of traffic is not necessary.

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