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You can specify a weight for an IPv4 or IPv6 static route. If the weight value of a
path is 0, then that path is not used for forwarding when weighted ECMP is in
effect. Also, if a path corresponding to a static route (destination) has a non-zero
weight assigned to it and other paths do not have any weight configured, then
regular ECMP is used for forwarding.
You can specify the weight value only to destination address and not on the egress
port.
A route is considered for weighted ECMP calculations only if each paths
corresponding to that route is configured with a weight.
Example
Dell(conf)#ipv6 route 44::/64 33::1 weight 100
Dell(conf)#ipv6 route 44::/64 33::2 weight 200
Dell(conf)#do show running-config | grep ipv6 route
Dell(conf)#ipv6 route vrf vrf_test 44::/64 33::1 weight 100
Dell(conf)#ipv6 route vrf vrf_test 44::/64 33::2 weight 200
Dell(conf)#do show running-config | grep ipv6 route vrf
Related
Commands
show ipv6 route — views the IPv6 configured routes.
ipv6 unicast-host-route
Enable the storage of extended IPv6 route prefixes (/65 to /128) in the L3 host table.
Z9500
Syntax
[no] ipv6 unicast-host-route
Defaults Enabled; by default, extended IPv6 route prefixes are stored only in the L3 host
table.
Command
Modes
CONFIGURATION
Command
History
Version Description
9.5(0.1) Introduced on the Z9500.
9.3(0.1) Introduced on the S6000.
Usage
Information
Use this command to enable programming of extended IPv6 (/65 to /128) route
prefixes in the L3 host table. A warning message is displayed after you enter the
command stating that this setting takes effect for existing routes only when IPv6
route prefixes are cleared from the LPM routing table (RTM). To enable storage of
extended IPv6 route prefixes in the LPM table, disable this setting by entering the
no ipv6 unicast-host-route command.
IPv6 Basics
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