Specifying A Preference For Is-Is - HP FlexFabric 12900E Series Configuration Manual

Configuring an IS-IS cost for an interface
Step
1. Enter system view.
2. Enter IS-IS view.
3. (Optional.) Specify an
IS-IS cost style.
4. Return to system view.
5. Enter interface view.
6. Specify a cost for the
IS-IS interface.
Configuring a global IS-IS cost
Step
1. Enter system view.
2. Enter IS-IS view.
3. Specify a global IS-IS
cost.
Enabling automatic IS-IS cost calculation
Step
1. Enter system view.
2. Enter IS-IS view.
3. Enable automatic IS-IS
cost calculation.
4. (Optional.) Configure a
bandwidth
value for automatic IS-IS
cost calculation.

Specifying a preference for IS-IS

If multiple routing protocols find routes to the same destination, the route found by the routing
protocol that has the highest preference is selected as the optimal route.
Perform this task to assign a preference to IS-IS directly or by using a routing policy. For more
information about the routing policy, see
To configure a preference for IS-IS:
Step
1. Enter system view.
Command
system-view
isis [ process-id
vpn-instance-name ]
cost-style
wide-compatible
narrow-compatible } [ relax-spf-limit ] }
quit
interface interface-type interface-number
isis cost cost-value [ level-1 | level-2 ]
Command
system-view
isis [ process-id
vpn-instance-name ]
circuit-cost cost-value [ level-1 | level-2 ]
Command
system-view
isis
[ process-id
vpn-instance-name ]
auto-cost enable
reference
bandwidth-reference value
"Configuring routing
Command
system-view
] [ vpn-instance
narrow wide
{ |
| { compatible
] [ vpn-instance
vpn-instance
] [
policies."
143
Remarks
N/A
N/A
|
By default, the IS-IS cost
|
type is narrow.
N/A
N/A
By default, no cost for the
interface is specified.
Remarks
N/A
N/A
By default, no global cost is
specified.
Remarks
N/A
N/A
By default, automatic IS-IS
cost calculation is disabled.
The default setting is 100
Mbps.
Remarks
N/A