146
Step
Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter IS-IS IPv4 unicast
address family view.
a
isis
[
process-id
]
[
vpn-instance
vpn-instance-name
]
b
cost-style
{
wide
|
wide-compatible
}
c
address-family ipv4
[
unicast
]
N/A
3.
Configure a preference for
IS-IS.
preference
{
preference
|
route-policy
route-policy-name
} *
The default setting is 15.
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:
Step
Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter IS-IS IPv4 unicast
address family view.
a
isis
[
process-id
] [
vpn-instance
vpn-instance-name
]
b
cost-style
{
wide
|
wide-compatible
}
c
address-family ipv4
[
unicast
]
N/A
3.
Specify the maximum
number of ECMP routes.
maximum load-balancing number
By default, the maximum
number of ECMP routes
supported by IS-IS equals
the maximum number of
ECMP routes supported by
the system.
Configuring IS-IS route summarization
Perform this task to summarize specific routes, including IS-IS routes and redistributed routes, into a
single route. Route summarization can reduce the routing table size and the LSDB scale.
Route summarization applies only to locally generated LSPs. The cost of the summary route is the
lowest one among the costs of the more-specific routes.
To configure route summarization:
Step
Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter IS-IS IPv4 unicast
address family view.
a
isis
[
process-id
]
[
vpn-instance
vpn-instance-name
]
b
cost-style
{
wide
|
wide-compatible
}
c
address-family ipv4
[
unicast
]
N/A
Summary of Contents for HPE FlexNetwork 7500 series
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