Instruction manual

Chapter 3: High Availability
3-4 NetScaler 9000 Series Installation and Configuration Guide - Volume 1
NSICG60_JAN05
password with which this NetScaler will be authenticating, given by
IP_address.
To view the list of RPC nodes use the command
show rpcnodes.
Passwords shown by this command are encrypted and will be stored in the
the ns.conf file this way.
RPC nodes are internal NetScaler entities that are used for NetScaler to
NetScaler communications, as in HAcommunications of configuration
and session information. To communicate with other NetScaler systems,
each NetScaler requires knowledge of those systems it it is to
communicate with and how to authenticate on the peer NetScaler. RPC
nodes maintain this information, which includes the IP address of the peer
NetScaler and the password used for authentication on the peer. One RPC
node exists on each NetScaler peer. This node stores the password, which
is checked against the one provided by the contacting NetScaler.
3.2.1 One-Arm Mode Configuration Considerations
If the NetScaler 9000 systems in a high availability setup are used in one-arm
mode, disable all NetScaler 9000 system interfaces except for one that is
connected to the switch or hub.
Use the disable interface CLI command to disable interfaces.
3.2.2 Mapped IP Address Configuration Considerations
When you configure the NetScaler 9000 system, make sure that the mapped
IP address of both the primary and the secondary NetScaler 9000 system is
exactly the same.
If needed, you can change the mapped IP address at any time by running the
NetScaler 9000 system’s configuration program.
Note: For more information on changing the mapped IP address, refer to
Chapter 2: Installation, Configuration and Management.
The following procedures show an alternate method of adding/changing the
mapped IP addresses. You can use these procedures if you have Telnet/SSH
access to one or both NetScaler 9000 systems.