H3C S6550X-HI Series Command Reference Manual page 2003

2. Each neighbor of the device reselects an optimal route based on the LSAs and stops
forwarding traffic to the device. The device is fully isolated from the network and you can
upgrade the device.
3. After the maintenance, disable OSPFv3 isolation on the device to restore its link cost and
gracefully add it back to the network.
Both the isolate enable
summary-lsa 16711680 include-stub
When you execute both the
follow these restrictions and guidelines:
•
If you specify the
max-metric
and the stub router feature takes effect.
•
If the
on-startup
traffic forwarding path selection is affected only by the isolation feature when the stub router
feature does not take effect.
Examples
# Isolate the device from the network in OSPFv3 process 100.
<Sysname> system-view
[Sysname] ospfv3 100
[Sysname-ospfv3-100] isolate enable
Related commands
stub-router
ispf enable
Use
ispf enable
Use
undo ispf enable
Syntax
ispf enable
undo ispf enable
Default
OSPFv3 ISPF is enabled.
Views
OSPFv3 view
Predefined user roles
network-admin
Usage guidelines
ISPF allows the system to recompute nodes affected by topology changes rather than the entire
shortest path tree.
Examples
# Disable OSPFv3 ISPF for process 1.
<Sysname> system-view
[Sysname] ospfv3 1
[Sysname-ospfv3-1] undo ispf enable
and stub-router max-metric external-lsa 16711680
isolate enable
and
external-lsa
command, the higher one of the two link costs provided by the isolation feature
keyword is specified in the
to enable OSPFv3 Incremental SPF (ISPF).
to disable OSPFv3 ISPF.
commands can isolate the device from the network.
and
stub-router max-metric
keywords in the
summary-lsa
stub-router max-metric
69
commands,
stub-router
command,