Configure the upper-tier NetScaler appliances
Configure an upper-tier appliance for n-tier cache redirection by using the command CLI
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add service <name>@ <serviceIP> <serviceType> <port>Run this command for each service to be added. -
add lb vserver <name>@ ANY * <port> -persistenceType <persistenceMethod> -lbMethod <lbMethod> -m MAC -sessionless ENABLED -cltTimeout <client_Timeout_Value> -
bind lb vserver <name>@ <serviceName>Run this command for each service to be bound. -
enable ns mode l3 -
add ns pbr <name> <action> -srcPort <sourcePortNumber> -destPort <startPortNumber-endPortNumber> -nexthop <serviceIpAddress> -protocol TCP -
apply ns pbrsRun this command after adding all the necessary PBRs.
Configure an upper-tier appliance for n-tier cache redirection by using the GUI
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Enable L3 mode:
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In the navigation pane, click System, and then click Settings.
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In Settings, click Configure modes.
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Select Layer 3 Mode (IP Forwarding).
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Click OK.
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Configure policy-based routing (PBR):
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Navigate to System > Network > PBRs.
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In the Policy-Based Routing (PBRs) pane, click Add.
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Type a name for the PBR.
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Select the action as Allow.
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In Next Hop, type the IP address of the service, which represents a lower-tier appliance.
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In Protocol, select TCP.
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Type the source port and the range of the destination port corresponding to the lower-tier appliance being added.
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Click Create.
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In the details pane, select the PBR and click Apply.
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Repeat these steps for each lower-tier appliance.
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Create a service for each lower-tier appliance:
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Navigate to Traffic Management > Load Balancing > Services.
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In the details pane, click Add.
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Specify the name, protocol, IP address, and port. The protocol should be ANY.
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Click Create.
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Configure a load balancing virtual server:
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Navigate to Traffic Management > Load Balancing > Virtual Servers.
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In the details pane, click Add.
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Specify the name, protocol, IP address, and port. The protocol should be ANY and the IP address should be *.
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In Services, select the services that represent the lower-tier NetScaler appliances.
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In Advanced, select Redirection Mode as MAC Based and select Sessionless.
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Click Create.
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