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769 | ExternalServicesInterface DellPowerConnectW-SeriesArubaOS6.2 | User Guide
Configure the ESI Servers in the WebUI
1. Click Add in the External Servers section.
2. Provide the following details:
a. Server Name.
b. Server Group. Use the drop-down list to assign this server to a group from the existing configured groups.
c. Server Mode. Use the drop-down list to choose NAT mode.)
d. Trusted IP Address. For nat mode, enter the IP address of the trusted interface on the external captive portal
server.
e. NAT Destination Port. Enter the port number (to redirect a packet to a port other than the original
destination port in the packet).
3. Click Done when you are finished.
4. Repeat Step 1 through Step 3 for the remaining external captive portal servers.
5. Click Apply to apply the configuration changes.
Configuring the Redirection Filter in the WebUI
To redirect the required traffic to the server(s) using the WebUI, navigate to the Configuration > Access Control
> User Roles view on the WebUI (see 1).
1. Click the Policies tab.
2. Click Add in the Policies section of the Policies view on the WebUI.
3. Provide the following details:
a. Policy Name. (This example uses cp_redirect_acl.)
b. Policy Type. Select IPv4 Session from the drop-down list.
4. Click Add in the Rules section of the Policies view.
a. Source. Select user from the drop-down list.
b. Destination. Accept any.
c. Service. Select service from the drop-down list; select svc-http (tcp80) from the secondary drop-down list.
d. Action. Select redirect to ESI group from the drop-down list; select external_cps from the secondary drop-
down list; click <-- to add that group.
e. Click Add.
5. Click Done when you are finished.
6. Click Apply to apply the configuration changes.
Configuring the Example NAT-mode Topology in the CLI
The CLI configuration process consists of these general tasks:
l Configuring captive portal (see Captive Portal Authentication on page 233).
l Configuring the health-check ping method.
l Configuring the ESI servers.
l Configuring the ESI group.
l Defining the redirect filter for sending traffic to the ESI server.