VPRN Service Configuration Commands
Page 1174 7750 SR OS Services Guide
discovered and routing table informationis exchanged by routing protocols. The system can balance
traffic across the groups with equal costs.
ECMP can only be used for routes learned with the same preference and same protocol. See the
discussion on preferences in the static-route command.
When more ECMP routes are available at the best preference than configured by the max-ecmp-
routes parameter, then the lowest next-hop IP address algorithm is used to select the number of routes
configured.
The no form of the command disables ECMP path sharing. If ECMP is disabled and multiple routes
are available at the best preference and equal cost, the newly updated route is used.
Default no ecmp
Parameters max-ecmp-routes — Specifies the maximum number of routes for path sharing.
Values 0— 16
grt-lookup
Syntax grt-lookup
Context config>service>vprn
Description This command provides the context under which all grt-leaking commands are configured. If all the
supporting commands in the context are removed, this command will also be removed.
enable-grt
Syntax [no] enable-grt
Context config>service>vprn>grt-lookup
Description This command enables the functions required for looking up routes in the Global Route Table (GRT)
when the lookup in the local VRF fails. If this command is enabled without the use of a static-route
option (as subcommand to this parent), a lookup in the local VRF is preferred over the GRT. When
the local VRF returns no route table lookup matches, the result from the GRT is preferred.
The no form of this command disables the lookup in the GRT when the lookup in the local VRF fails.
Default no enable-grt
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