Reference Guide

658 | Open Shortest Path First (OSPFv2)
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Command
History
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.
If you delete all the network area commands for Area 0, the show ip ospf command output will not list
Area 0.
passive-interface
z
Suppress both receiving and sending routing updates on an interface.
Syntax
passive-interface {default | interface}
To enable both the receiving and sending routing, enter the no passive-interface interface
command.
To return all OSPF interfaces (current and future) to active, enter the no passive-interface default
command.
Parameters
Command Modes
ROUTER OSPF
Command
History
Usage
Information
Although the passive interface will neither send nor receive routing updates, the network on that
interface will still be included in OSPF updates sent via other interfaces.
Version 9.0.2.0 Introduced on S6000.
Version 8.3.11.1 Introduced on Z9000
Version 7.8.1.0 Introduced support for Multi-Process OSPF.
Note: An interface can be attached only to a single OSPF area.
S6000
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 followed by
the slot/port information.
• For Port Channel groups, enter the keyword
port-channel followed by a number:
S-Series Range: 1-128
• For a 10-Gigabit Ethernet interface, enter the keyword TenGigabitEthernet
followed by the slot/port information.
• For a VLAN, 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.
Version 9.0.2.0 Introduced on S6000.
Version 8.3.11.1 Introduced on Z9000
Version 7.8.1.0 Introduced support for Multi-Process OSPF.
Version 7.4.1.0
Modified to include the
default keyword.