Command Line Reference Guide

1080 | Open Shortest Path First (OSPFv2 and OSPFv3)
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• An unplanned restart occurs when an unplanned event causes the active RPM to switch to the
backup RPM, such as when an active process crashes, the active RPM is removed, or a power
failure happens. During an unplanned restart, OSPF sends out a Grace LSA when the backup RPM
comes online.
By default, both planned and unplanned restarts trigger an OSPFv3 graceful restart. Selecting one or
the other mode restricts OSPFv3 to the single selected mode.
ipv6 ospf area
c e
Enable IPv6 OSPF on an interface.
Syntax
ipv6 ospf process-id area area-id
To disable OSPFv6 routing for an interface, use the no ipv6 ospf process-id area area-id
command.
Parameters
Defaults
No default values or behavior
Command Modes
INTERFACE
Command
History
ipv6 ospf authentication
e
t
Configure an IPsec authentication policy for OSPFv3 packets on an IPv6 interface.
Syntax
ipv6 ospf authentication {null | ipsec spi number {MD5 | SHA1} [key-encryption-type] key}
Parameters
Default
Not configured.
process-id
Enter the process identification number.
area area-id
Specify the OSPF area.
Range: 0 to 65535
Version 7.4.1.0 Introduced
null
Causes an authentication policy configured for the area to not be inherited on the
interface.
ipsec spi number
Security Policy index (SPI) value that identifies an IPsec security policy.
Range: 256 to 4294967295.
MD5 | SHA1
Authentication type: Message Digest 5 (MD5) or Secure Hash Algorithm 1
(SHA-1).
key-encryption-type
(OPTIONAL) Specifies if the key is encrypted.
Valid values: 0 (key is not encrypted) or 7 (key is encrypted).
key
Text string used in authentication.
For MD5 authentication, the key must be 32 hex digits (non-encrypted) or 64 hex
digits (encrypted).
For SHA-1 authentication, the key must be 40 hex digits (non-encrypted) or 80
hex digits (encrypted).