Reference Guide

NOTE: If the area ID is smaller than 65535, it is converted to a
decimal value. For example, if you use an area ID of 0.0.0.1, it is
converted to 1.
Command Modes ROUTER OSPF
Command History
This guide is platform-specific. For command information about other platforms, refer to the
relevant FTOS Command Line Reference Guide .
The following is a list of the FTOS version history for this command.
Version 8.3.19.0 Introduced on the S4820T.
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.7.0 Introduced on the S4810.
Version 7.8.1.0 Introduced to all platforms.
Version 7.6.1.0 Introduced on the S-Series.
Version 7.5.1.0 Introduced on the C-Series.
pre-Version
6.1.1.1
Introduced on the E-Series.
Usage
Information
To enable OSPF on an interface, the network area command must include, in its range of
addresses, the primary IP address of an interface.
NOTE: An interface can be attached only to a single OSPF area.
If you delete all the network area commands for Area 0, the show ip ospf command
output does not list Area 0.
passive-interface
Suppress both receiving and sending routing updates on an interface.
Z9000
Syntax
passive-interface {default | interface}
To enable both the receiving and sending routing, use the no passive-interface
interface
command.
To return all OSPF interfaces (current and future) to active, use the no passive-
interface default command.
Parameters
default Enter the keyword default to make all OSPF interfaces (current
and future) passive.
interface Enter the following keywords and slot/port or number information:
• For a Gigabit Ethernet interface, enter the keyword
GigabitEthernet then the slot/port information.
• For Port Channel groups, enter the keywords port-
channel then a number. For the C-Series and S-Series, the
range is from 1 to 128.
981