95
3. Enable prefix
suppression for the
interface.
ospf prefix-suppression
[
disable
]
By default, prefix suppression
is disabled on an interface.
Configuring prefix prioritization
This feature enables the device to install prefixes in descending priority order: critical, high, medium,
and low. The prefix priorities are assigned through routing policies. When a route is assigned multiple
prefix priorities, the route uses the highest priority.
By default, the 32-bit OSPF host routes have a medium priority and other routes a low priority.
To configure prefix prioritization:
1. Enter system view.
N/A
2. Enter OSPF view.
ospf
[
process-id |
router-id
router-id |
vpn-instance
vpn-instance-name ] *
N/A
3. Enable prefix
prioritization.
prefix-priority route-policy
route-policy-name
By default, prefix prioritization
is disabled.
Configuring OSPF PIC
Prefix Independent Convergence (PIC) enables the device to speed up network convergence by
ignoring the number of prefixes.
When both OSPF PIC and OSPF FRR are configured, OSPF FRR takes effect.
OSPF PIC applies only to inter-area routes and external routes.
Enabling OSPF PIC
1. Enter system view.
system-view
N/A
2. Enter OSPF view.
ospf
[
process-id |
router-id
router-id |
vpn-instance
vpn-instance-name ] *
N/A
3. Enable PIC for
OSPF.
pic
[
additional-path-always
]
By default, OSPF PIC is
enabled.
Configuring BFD for OSPF PIC
By default, OSPF PIC does not use BFD to detect primary link failures. To speed up OSPF
convergence, enable BFD for OSPF PIC to detect the primary link failures.
To configure BFD control packet mode for OSPF PIC:
1. Enter system view.
system-view
N/A
2. Enter interface view.
interface
interface-type
interface-number
N/A
3. Enable BFD control packet
mode for OSPF PIC.
ospf primary-path-detect bfd
By default, BFD control packet
mode for OSPF PIC is disabled.
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