Controlling SPF calculation interval

1. Enter system view.

system-view

N/A

2. Enter IS-IS view.

isis [ process-id ] [ vpn-instance vpn-instance-name ]

N/A

3. Specify an IS-IS cost style.

cost-style { wide | wide-compatible | compatible }

By default, the IS-IS cost style is narrow.

4. Enter IPv6 address family view.

address-family ipv6 [ unicast ]

N/A

5. Enable IPv6 IS-IS MTR.

multi-topology [ compatible ]

By default, IPv6 IS-IS MTR is disabled.

6. Set the SPF calculation interval.

timer spf maximum-interval [ minimum-interval [ incremental-interval ] ]

By default:

• The maximum interval is 5 seconds.

• The minimum interval is 50 milliseconds.

• The incremental interval is 200 milliseconds.