Configuring IP Router Parameters
Page 16 7210 SAS D, E OS Router Configuration Guide
Configuring IP Router Parameters
In order to provision services on a 7210 SAS device, logical IP routing interfaces must be
configured to associate attributes such as an IP addressor the system with the IP interface.
A special type of IP interface is the system interface. A system interface must have an IP address
with a 32-bit subnet mask.
The following router features can be configured:
• Interfaces on page 16
Interfaces
7210 SAS routers use different types of interfaces for various functions. Interfaces must be
configured with parameters such as the interface type (system) and address. A port is not
associated with a system interface. An interface can be associated with the system (loopback
address).
System Interface
The system interface is associated with the network entity (such as a specific router or switch), not
a specific interface. The system interface is also referred to as the loopback address.
The system interface is used to preserve connectivity (when routing reconvergence is possible)
when an interface fails or is removed. The system interface is also referred to as the loopback
address and is used as the router identifier.
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