Spf-Slice-Size - H3C MSR 20-20 Command Reference Manual

1082 C 74: IS-IS C
HAPTER
Description
Examples

spf-slice-size

Syntax
View
Parameters
Description
Examples
C
ONFIGURATION OMMANDS
interlevel: Allows advertising IP address prefixes learnt from different IS-IS levels
with the allow keyword specified.
external: Allows advertising IP address prefixes learnt from other routing
protocols with the allow keyword specified.
Use the
set-overload
Use the undo set-overload
No overload flag is set by default.
When the overload flag is set for a router, the routes calculated by the router will
be ignored by other routers when they calculate SPF. (But the routes directly
connected to the router will not be ignored.)
When a router is set overload tag, other routers will not send packets to the router
for forwarding.
# Set overload flag on the current router.
<Sysname> system-view
[Sysname] isis
[Sysname-isis-1] set-overload
spf-slice-size duration-time
undo spf-slice-size
IS-IS view
duration-time: Specifies the duration in milliseconds of each sliced SPF calculation,
ranging from 10 to 50000. Each sliced SPF calculation is ended when the duration
time is reached. If the duration-time is set to 0, the entire SPF calculation will not
be sliced.
Use the spf-slice-size
calculation.
Use the
undo spf-slice-size
The default SPF calculation duration is 10 milliseconds.
To prevent the SPF calculation from occupying the system resources for a long
time, you can use this command to slice the whole SPF calculation into pieces.
You are not recommended to change the default setting.
# Set the duration of each sliced SPF calculation to 1 second.
command to set the overload tag for the current router.
command to clear the overload tag.
command to specify the duration for each sliced SPF
command to restore the default.