Management and Configuration Guide K/KA/KB.15.15

Example 132 Example of output showing status of nonstop forwarding for OSPFv2
(HP_Switch_name#) show ip ospf general
OSPF General Status
OSPF protocol :enabled
Router ID :10.10.10.80
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Nonstop forwarding : Enabled
Graceful Restart Interval : 500
Graceful Restart Helper Mode : Enabled
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Enabling nonstop forwarding for OSPFv3
The routing switch must be in ospf3 context when enabling Nonstop forwarding for OSPFv3. To
enable nonstop forwarding, enter this command.
Syntax
(ospf3)# [no]
nonstop
Enables nonstop forwarding for OSPFv3.
The no version of the command disables nonstop forwarding.
The commands must be executed in ospf3 context.
Default: Disabled
Example 133 Example of enabling nonstop forwarding for OSPFv3
HP Switch(ospf3)# nonstop
Configuring restart parameters for OSPFv3
Syntax
(ospf3)# [no]
restart interval 1-1800 [strict-lsa-checking]
Specify the graceful restart timeout interval in seconds.
The no version of the command sets the restart parameters to the default values. Default: Disabled
interval 1-1800 The graceful restart timeout interval (grace period) in seconds.
Default: 120 seconds
strict-lsa-checking Used in OSFPv3 context to enable or disable strict LSA operation
in a network segment for a neighboring router that is attempting a
graceful restart. When enabled, this operation halts Helper mode
support if a change in LSAs (topology change) is detected during
the neighbor’s restart period.
The no form of this command disables strict LSA operation.
Default: Strict LSA operation enabled
Viewing OSPFv3 nonstop forwarding information
To display the status of Nonstop forwarding information, enter the show ipv6 ospf3 general
command.
Nonstop forwarding with OSPFv2 and OSPFv3 485