Management and Configuration Guide K/KA/KB.15.15

Syntax
(ospf)# [no]
nonstop
Enables nonstop forwarding for OSPFv2.
The no version of the command disables nonstop forwarding.
The commands must be executed in ospf context.
Default: Disabled
Example 131 Example of enabling nonstop forwarding for OSPFv2
HP Switch(ospf)# nonstop
Configuring restart parameters for OSPFv2
Syntax
(ospf)# [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 OSFPv2 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 OSPFv2 nonstop forwarding information
To display the status of Nonstop forwarding information, enter the show ip ospf general
command.
484 Chassis Redundancy (8200zl Switches)