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If you delete all the
Area 0.
passive-interface
c e s
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
default
interface
Command Modes
ROUTER OSPF
Command
Version 7.8.1.0
History
Version 7.6.1.0
Version 7.5.1.0
Version 7.4.1.0
pre-Version 6.1.1.1
Usage
Although the passive interface will neither send nor receive routing updates, the network on that
Information
interface will still be included in OSPF updates sent via other interfaces.
The default keyword sets all interfaces as passive. You can then configure individual interfaces, where
adjacencies are desired, using the no passive-interface interface command. The no form of this
command is inserted into the configuration for individual interfaces when the no passive-interface
interface command is issued while passive-interface default is configured.
This command behavior has changed as follows:
passive-interface interface
•
network area
Enter the keyword
Enter the following keywords and slot/port or number information:
•
For a Gigabit Ethernet interface, enter the keyword
the slot/port information.
•
For a Port Channel interface, enter the keyword
number:
C-Series and S-Series Range: 1-128
E-Series Range: 1 to 32 for EtherScale, 1 to 255 for TeraScale and 1 to 512 for
ExaScale.
•
For a SONET interface, enter the keyword
information.
•
For a 10-Gigabit Ethernet interface, enter the keyword
followed by the slot/port information.
•
For a VLAN, enter the keyword
Introduced support for Multi-Process OSPF.
Introduced on S-Series
Introduced on C-Series
Modified to include the
Introduced on E-Series
The previous no passive-interface interface is removed from the running configuration.
commands for Area 0, the
show ip ospf
default
to make all OSPF interfaces (current and future) passive.
vlan
followed by a number from 1 to 4094.
default
keyword.
Open Shortest Path First (OSPFv2 and OSPFv3) | 1031
command output will not list
GigabitEthernet
port-channel
followed by a
sonet
followed by the slot/port
TenGigabitEthernet
followed by
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