R3303-HP 6600/HSR6600 Routers Layer 3 - IP Routing Configuration Guide

144
Ste
p
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 ] }
Optional.
narrow by default.
4. Specify a global
IS-IS cost.
circuit-cost value [ level-1 | level-2 ]
No global cost is specified
by default.
Enabling automatic IS-IS cost calculation
Ste
p
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 } narrow by default.
4. Enable automatic IS-IS cost
calculation.
auto-cost enable Disabled by default.
5. Configure a bandwidth
reference value for
automatic IS-IS cost
calculation.
bandwidth-reference value
Optional.
100 Mbps by default.
Specifying a priority for IS-IS
A router can run multiple routing protocols. When routes to the same destination are found by multiple
routing protocols, the route learned by the protocol with the highest priority is adopted. You can
reference a routing policy to specify a priority for specific routes. For information about routing policy,
see "Configuring routing policies."
To configure the priority of IS-IS:
Ste
p
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 a priority for IS-IS.
preference { route-policy route-policy-name |
preference } *
15 by default.
Configuring the maximum number of ECMP routes
Perform this task to implement load sharing over ECMP routes.
To configure the maximum number of ECMP routes: