H3C S7500 Series Ethernet Switches Operation Manual

Operation Manual – Routing Protocol
H3C S7500 Series Ethernet Switches Chapter 5 IS-IS Configuration
5-14
To do... Use the command... Remarks
Enter system view
system-view
—
Enter IS-IS view isis [ tag ] —
Configure protocol priority
preference [ value | clns |
ip ]
Required
The default priority of
IS-IS routes is 15.
5.3.13 Configuring a Cost Style
In IS-IS routing protocol, routing cost of a link can be expressed in one of the following
two modes:
z Narrow: In this mode, routing cost ranges from 1 to 63.
z Wide: In this mode, routing cost ranges from 1 to 2
24
-1, namely, 1 to 16,777,215.
You can specify to support either mode or both.
Follow these steps to configure IS-IS route cost style:
To do... Use the command... Remarks
Enter system view
system-view
—
Enter IS-IS view isis [ tag ] —
Configure a cost
style
cost-style { narrow |
wide | wide-compatible |
{ compatible |
narrow-compatible }
[ relax-spf-limit ] }
Required
By default, IS-IS receives/sends
only the packets with routing
cost expressed in the Narrow
mode.
5.3.14 Configuring Interface Cost
Follow these steps to configure interface cost:
To do... Use the command... Remarks
Enter system view
system-view
—
Enter interface view
interface interface-type
interface-number
—
Configure interface cost
isis cost value [ level-1 |
level-2 ]
Required
The default IS-IS interface
cost is 10.