Configuring IP Router Parameters
Page 20 7750 SR OS Router Configuration Guide
Configuring IP Router Parameters
In order to provision services on a 7750 SR-Series router, logical IP routing interfaces must be
configured to associate attributes such as an IP address, port or 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 system interface is used as the router identifier by higher-level
protocols such as OSPF and BGP, unless overwritten by an explicit router ID.
The following router features can be configured:
• Interfaces
• IP Addresses
• Router ID
• Autonomous Systems (AS)
• Confederations
• DHCP Relay
• Internet Protocol Versions
Interfaces
7750 SR-Series routers use different types of interfaces for various functions. Interfaces must be
configured with parameters such as the interface type (network and system) and address. A port is
not associated with a system interface. An interface can be associated with the system (loopback
address).
Network Interface
A network interface (a logical IP routing interface) can be configured on one of the following
entities:
• A physical or logical port
• A SONET/SDH channel
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