HPE FlexNetwork HSR6800 Configuration Manual page 165

Figure 49 Network diagram for IS-IS MTR
As shown in
can forward voice traffic through topology A and video traffic through topology B.
Router B does not belong to topology A. In topology B, the links between Router A and Router D and
between Router B and Router C do not exist. Route calculation and traffic forwarding are performed
in each topology independently.
Configuration prerequisites
Before you configure IS-IS MTR, complete the following tasks:
•
Configure basic IS-IS functions to establish IS-IS neighbor relationships.
•
Configure MTR. For more information, see "Configuring MTR."
Configuration procedure
To configure IS-IS MTR:
Step
Enter system view.
1.
Enter IS-IS view.
2.
Set the IS-IS cost
3.
style.
Enable an IS-IS
4.
IPv4 unicast
topology in the
IS-IS process.
Return to system
5.
view.
Enter interface
6.
view.
Enable an IS-IS
7.
IPv4 unicast
topology on the
interface.
Figure 49, the base topology is split into two topologies, topology A and topology B. You
Command
system-view
isis [ process-id ] [ vpn-instance
vpn-instance-name ]
cost-style { narrow | wide |
wide-compatible | { compatible |
narrow-compatible } [ relax-spf-limit ] }
multiple-topology ipv4-unicast
topology-name topology-number
quit
interface interface-type interface-number
isis multiple-topology ipv4-unicast
topology-name
153
Remarks
N/A
N/A
By default, narrow is adopted.
Not enabled default.
N/A
N/A
Not enabled default.