Configuring The Maximum Number Of Ecmp Routes; Configuring Is-Is Route Summarization - HP FlexFabric 12900E Series Configuration Manual

Step
2. Enter IS-IS IPv4 unicast
address family view.
3. Configure a preference for
IS-IS.

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
1. Enter system view.
2. Enter IS-IS IPv4 unicast
address family view.
3. Specify
number of ECMP routes.

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
1. Enter system view.
2. Enter
unicast
family view.
3. Configure
route
summarization.
Command
a
b
c
preference { preference | route-policy
route-policy-name } *
Command
system-view
a
b
c
the maximum
maximum load-balancing number
Command
system-view
a isis [ process-id ] [ vpn-instance
IS-IS IPv4
vpn-instance-name ]
address
b cost-style { wide | wide-compatible }
c address-family ipv4 [ unicast ]
IS-IS
summary ip-address { mask-length | mask }
[ avoid-feedback | generate_null0_route |
[ level-1 | level-1-2 | level-2 ] | tag tag ] *
isis [ process-id ] [ vpn-instance
vpn-instance-name ]
cost-style { wide | wide-compatible }
address-family ipv4 [ unicast ]
isis [ process-id ] [ vpn-instance
vpn-instance-name ]
cost-style {
wide-compatible }
address-family ipv4 [ unicast ]
144
Remarks
N/A
The default setting is
15.
Remarks
N/A
wide |
N/A
By default, the maximum
number of IS-IS ECMP
routes
maximum
ECMP routes supported
by the system.
Remarks
N/A
N/A
By default, route summarization
is not configured.
equals the
number of