HP MSR2000/3000/4000 Router Series Layer 3 - IP Routing Command Reference

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ispf enable
Use ispf enable to enable OSPF incremental SPF (ISPF).
Use undo ispf enable to disable OSPF ISPF.
Syntax
ispf enable
undo ispf enable
Default
OSPF ISPF is enabled.
Views
OSPF view
Predefined user roles
network-admin
Usage guidelines
Upon topology changes, ISPF recomputes only the affected part of the SPT, instead of the entire SPT.
Examples
# Enable ISPF for OSPF process 100.
<Sysname> system-view
[Sysname] ospf 100
[Sysname-ospf-100] ispf enable
log-peer-change
Use log-peer-change to enable the logging of OSPF neighbor state changes.
Use undo log-peer-change to disable the logging of OSPF neighbor state changes.
Syntax
log-peer-change
undo log-peer-change
Default
The logging of OSPF neighbor state changes is enabled.
Views
OSPF view
Predefined user roles
network-admin
Usage guidelines
This command enables output of OSPF neighbor state changes to the information center. The information
center processes the logs according to user-defined output rules (whether to output logs and where to
output). For more information about the information center, see Network Management and Monitoring
Configuration Guide.