CLI Guide

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.
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 Port Channel groups, enter the keywords port-
channel then a number. The range is from 1 to 128.
• For a 10-Gigabit Ethernet interface, enter the keyword
TenGigabitEthernet then the slot/port information.
• For a VLAN, enter the keyword vlan then a number
from 1 to 4094.
Command Modes ROUTER OSPF
Supported Modes Full–Switch
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
8.3.19.1 Introduced on the MXL 10/40GbE Switch IO Module.
Usage Information
Although the passive interface does not send or receive routing updates, the
network on that interface is still included in OSPF updates sent using other
interfaces.
Open Shortest Path First (OSPFv2 and OSPFv3)
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