3Com MSR 30, MSR 50 manual Spf-slice-size, Syntax spf-slice-size duration-time Undo spf-slice-size

1082 CHAPTER 74: IS-IS CONFIGURATION COMMANDS

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.

Description Use the set-overloadcommand to set the overload tag for the current router.

Use the undo set-overloadcommand to clear the overload tag.

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.

Examples # Set overload flag on the current router.

<Sysname> system-view

[Sysname] isis

[Sysname-isis-1] set-overload

spf-slice-size

Syntax spf-slice-size duration-time

undo spf-slice-size

View IS-IS view

Parameters 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-timeis set to 0, the entire SPF calculation will not be sliced.

Description Use the spf-slice-sizecommand to specify the duration for each sliced SPF calculation.

Use the undo spf-slice-sizecommand to restore the default.

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.

Examples # Set the duration of each sliced SPF calculation to 1 second.