Configuring IPv6 IS-IS link cost

Configuring an IPv6 IS-IS cost for an interface

Step

Command

Remarks

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 { narrow | wide | wide-compatible | { compatible | narrow-compatible } [ relax-spf-limit ] }

By default, the IS-IS cost type 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. Return to IS-IS view.

quit

N/A

7. Return to system view.

quit

N/A

8. Enter interface view.

interface interface-type interface-number

N/A

9. Enable IPv6 for IS-IS on the interface.

isis ipv6 enable [ process-id ]

By default, IPv6 is disabled for IS-IS on an interface.

10. Specify an IPv6 cost for the IS-IS interface.

isis ipv6 cost

By default, no IPv6 cost is specified for the interface.

Configuring a global IPv6 IS-IS cost

Step

Command

Remarks

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. Specify a global IPv6 IS-IS cost.

circuit-cost cost-value [ level-1 | level-2 ]

By default, no global IPv6 cost is specified.

Enabling automatic link cost calculation

Step

Command

Remarks

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 }

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. Enable automatic IPv6 IS-IS cost calculation.

auto-cost enable

By default, automatic IPv6 IS-IS cost calculation is disabled.

7. (Optional.) Configure a bandwidth reference value for automatic IPv6 IS-IS cost calculation.

bandwidth-reference value

The default setting is 100 Mbps.