CLI Guide

Layer 3 Routing Commands 1703
User Guidelines
Unauthenticated interfaces cannot be configured with an authentication key.
If no parameters are specified after the authentication keyword, then plain-
text password authentication is used.
Example
The following example configures the authentication type and key for the
area 10 OSPF virtual interface and neighbor ID.
console(config-router)#area 10 virtual-link 192.168.2.7 authentication
console(config-router)#area 10 virtual-link 192.168.2.7 authentication
encrypt test123 1001010
area virtual-link dead-interval
Use the area virtual-link dead-interval command in Router OSPF
Configuration mode to configure the dead interval for the OSPF virtual
interface on the virtual interface identified by area-id and neighbor router.
Use the no form of the command to return the dead interval to the default
value.
Syntax
area area-id virtual-link neighbor-id dead-interval seconds
no area area-id virtual-link neighbor-id dead-interval
• area-id — Identifies the OSPF area to configure. (Range: IP address or
decimal from 0–4294967295)
• neighbor-id — Identifies the Router ID of the neighbor.
• seconds — Number of seconds to wait before the OSPF virtual interface
on the virtual interface is assumed to be dead. (Range: 1–2147483647)
Default Configuration
40 seconds is the default configuration.
Command Mode
Router OSPF Configuration mode.