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Consolidation When the Management Service and the
NetScaler Instances are in Different Networks
Apr 12, 20 13
In certain cases, the appliance administrator might allow other administrators to perform administration tasks on individual
instances. This can be safely done by giving an individual instance administrator login rights to just that instance. But, for
security reasons, the appliance administrator might not want to allow the instance to be on the same network as the
Management Service. This is a very common scenario in service provider environments, and it is becoming increasingly
common in enterprises as they adopt virtualization and cloud architectures.
In the following example, the Management Service is in the 10.1.1.x network and the NetScaler instances are in the 10.1.2.x
network. Interfaces 0/1 and 0/2 are the management interfaces, 1/1 to 1/8 are 1G data interfaces, and 10/1 to 10/4 are
10G data interfaces. Each instance has its own dedicated administrator and its own dedicated physical interface.
Therefore, the number of instances is limited to the number of physical interfaces available on the appliance. VLAN filtering
is not required, because each instance has its own dedicated interface. Optionally, disable VLAN filtering to configure up to
4096 VLANs per instance per interface. In this example, you do not need to configure an NSVLAN, because instances are
not sharing a physical interface and there are no tagged VLANs. For more information about NSVLANs, see Adding a
NetScaler Instance.
The following figure illustrates the above use case.
Figure 1. Network topology of an SDX appliance with Management Service and NetScaler NSIPs for Instances in different
networks
As the appliance administrator, you have the option to keep the traffic between the Management Service and the NSIP
addresses on the SDX appliance, or to force the traffic off the device if, for example, you want traffic to go through an
external firewall or some other security intermediary and then return to the appliance.
The following table lists the names and values of the parameters used for provisioning NetScaler Instance 1 in this example.
Parameter Name Values f or Instance 1
Name vpx1
IP Address 10.1.2.2
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