system sit-tunnel

Use this command to tunnel IPv6 traffic over an IPv4 network. You configure the IPv6 interface under config system interface. The command to do the reverse is system ipv6-tunnel.This command is not available in Transparent mode.

config system sit-tunnel
    edit {name}
    # Configure IPv6 tunnel over IPv4.
        set name {string}   Tunnel name. size[15]
        set source {ipv4 address}   Source IP address of the tunnel.
        set destination {ipv4 address}   Destination IP address of the tunnel.
        set ip6 {ipv6 prefix}   IPv6 address of the tunnel.
        set interface {string}   Interface name. size[15] - datasource(s): system.interface.name
        set auto-asic-offload {enable | disable}   Enable/disable tunnel ASIC offloading.
    next
end

Additional information

The following section is for those options that require additional explanation.

auto-asic-offload {enable | disable}

Enables or disables offloading tunnel traffic to CPx processors. Disabling auto-asic-offload also disables offloading traffic to NPx processors.

destination <IPv4_address>

Enter the destination IPv4 address for this tunnel.

interface <name>

Enter a name for the interface used to send and receive traffic for this tunnel.

ip6 <ipv6_address>

Enter the IPv6 address for this tunnel.

name <tunnel_name>

Enter a name for the IPv6 tunnel.

The limit is 15 characters.

source <ipv4_address>

Enter the source IPv4 address for this tunnel.