ipv6 underlay enable (VPN instance IPv4 address family MVPN view)

Function

The ipv6 underlay enable command enables the IPv6 underlay function for NG MVPN.

The undo ipv6 underlay enable command disables the IPv6 underlay function of NG MVPN.

By default, the IPv6 underlay function is disabled.

Format

ipv6 underlay enable

undo ipv6 underlay enable

Parameters

None

Views

VPN instance IPv4 address family MVPN view

Default Level

2: Configuration level

Task Name and Operations

Task Name	Operations
mvpn	write

Usage Guidelines

Usage Scenario

In an MVPNv4 over BIERv6 scenario, by default, a VPN instance can use only IPv4 tunnels. After this command is run, the VPN instance can also use IPv6 tunnels for IPv6 forwarding.

Example

# The IPv6 underlay function is enabled for MVPN.

[~HUAWEI] multicast mvpn ipv6-underlay 1::1
[*HUAWEI] ip vpn-instance vrf1
[*HUAWEI-vpn-instance-vrf1] ipv4-family
[*HUAWEI-vpn-instance-vrf1-af-ipv4] route-distinguisher 100:100
[*HUAWEI-vpn-instance-vrf1-af-ipv4] multicast routing-enable
[*HUAWEI-vpn-instance-vrf1-af-ipv4] mvpn
[*HUAWEI-vpn-instance-vrf1-af-ipv4-mvpn] ipv6 underlay enable