Virtual Private Routed Network Service
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FD 100/320Gbps NT and FX NT IHub Services Guide
3HH-11985-AAAA-TQZZA Issue: 13
7.10.2.4 ecmp
Table 414 ecmp command
7.10.2.5 maximum-ipv6-routes
Table 415 maximum-ipv6-routes command
Item Description
Syntax ecmp max-ecmp-routes
no ecmp
Context configure>service>vprn
Description This command enables equal-cost multipath (ECMP) and configures the number of routes for
path sharing. For example, the value of 2 means that 2 equal cost routes will be used for cost
sharing.
ECMP groups form when the system routes to the same destination with equal cost values.
Routing table entries can be entered manually (as static routes), or they can be formed when
neighbors are 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, then the route with the lowest
next-hop IP address is used.
Default No ecmp
Parameters max-ecmp-routes — Integer
Values: 1 — 8
Item Description
Syntax maximum-ipv6-routes number [log-only] [threshold percentage]
no maximum-ipv6-routes
Context configure>service>vprn
(1 of 2)
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