Administrator Guide

Version 7.5.1.0 Introduced on the C-Series.
Version 7.4.1.0 Modified to include the keyword default.
pre-Version
6.1.1.1
Introduced on the E-Series.
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.
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
• The previous no passive-interface interface is removed from the
running configuration.
• The ABR status for the router is updated.
• Save passive-interface interface into the running configuration.
passive-interface default
• All present and future OSPF interfaces are marked as passive.
• Any adjacency is explicitly terminated from all OSPF interfaces.
• All previous passive-interface interface commands are removed from
the running configuration.
• All previous no passive-interface interface commands are removed
from the running configuration.
no passive-interface interface
• Remove the interface from the passive list.
• The ABR status for the router is updated.
• If passive-interface default is specified, then save no passive-
interface interface into the running configuration.
No passive-interface default
• Clear everything and revert to the default behavior.
• All previously marked passive interfaces are removed.
• May update ABR status.
1064
Open Shortest Path First (OSPFv2 and OSPFv3)