R21xx-HP FlexFabric 11900 Layer 3 IP Services Command Reference

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ipv6 nd router-preference
Use ipv6 nd router-preference to set a router preference in RA messages.
Use undo ipv6 nd router-preference to restore the default.
Syntax
ipv6 nd router-preference { high | low | medium }
undo ipv6 nd router-preference
Default
The router preference is medium.
Views
Interface view
Predefined user roles
network-admin
Parameters
high: Sets the router preference to the highest.
low: Sets the router preference to the lowest.
medium: Sets the router preference to the medium.
Usage guidelines
A hosts selects a router with the highest preference as the default router.
When router preferences are the same in RA messages, a host selects the router corresponding to the first
received RA message as the default gateway.
Examples
# Set the router preference in RA messages to the highest on VLAN-interface 100.
<Sysname> system-view
[Sysname] interface vlan-interface 100
[Sysname-Vlan-interface100] ipv6 nd router-preference high
ipv6 neighbor
Use ipv6 neighbor to configure a static neighbor entry.
Use undo ipv6 neighbor to remove a static neighbor entry.
Syntax
ipv6 neighbor ipv6-address mac-address { vlan-id port-type port-number | interface interface-type
interface-number } [ vpn-instance vpn-instance-name ]
undo ipv6 neighbor ipv6-address interface-type interface-number