260 | IPv4 Routing
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Implementation Information
In FTOS, you can configure any IP address as a static route except IP addresses already assigned to 
interfaces. 
Configuration Task List for IP Addresses
The following list includes the configuration tasks for IP addresses:
• Assign IP Addresses to an Interface (mandatory)
• Configure Static Routes (optional)
• Configure Static Routes for the Management Interface (optional)
For a complete listing of all commands related to IP addressing, refer to FTOS Command Line Interface 
Reference Guide.
Assign IP Addresses to an Interface
Assign primary and secondary IP addresses to physical or logical interfaces (for example, a virtual local 
area network [VLAN] or port channel) to enable IP communication between the MXL Switch and hosts 
connected to that interface. In FTOS, you can assign one primary address and up to 255 secondary IP 
addresses to each interface. 
To assign an IP address to an interface, follow these steps, starting in CONFIGURATION mode: 
Note: FTOS versions 7.7.1.0 and later support 31-bit subnet masks (/31, or 255.255.255.254) as defined by 
RFC 3021. This feature allows you to save two more IP addresses on point-to-point links than 30-bit masks. 
FTOS supports RFC 3021 with ARP.
Step Command Syntax Command Mode Purpose
1 interface interface CONFIGURATION Enter the keyword interface followed by the type of interface 
and slot/port information:
• For a Loopback interface, enter the keyword loopback 
followed by a number from 0 to 16383.
• For the Management interface, enter the keyword 
ManagementEthernet followed by the slot/port 
information. The slot range is 0/0 and the port range is 0/
0.
• For a port channel interface, enter the keyword 
port-channel followed by a number from 1 to 128.
• For a 10-Gigabit Ethernet interface, enter the keyword 
TenGigabitEthernet followed by the slot/port 
information. 
• For a VLAN interface, enter the keyword vlan followed 
by a number from 1 to 4094.
• For a 40-Gigabit Ethernet interface, enter the keyword 
fortyGigE followed by the slot/port information.
2
no shutdown
INTERFACE Enable the interface.