Brocade Communications Systems Layer 3 Routing Configuration ICX 6650 - Manual (Page 422)

404 Brocade ICX 6650 Layer 3 Routing
53-1002603-01
IPv6 over IPv4 tunnels
Configuring a manual IPv6 tunnel
You can use a manually configured tunnel to connect two isolated IPv6 domains. You should deploy
this point-to-point tunnelling mechanism if you need a permanent and stable connection.
To configure a manual IPv6 tunnel, enter commands such as the following on a Layer 3 Switch
running both IPv4 and IPv6 protocol stacks on each end of the tunnel.
Brocade(config)#interface tunnel 1
Brocade(config-tnif-1)#tunnel source ethernet 1/1/1
Brocade(config-tnif-1)#tunnel destination 198.168.100.1
Brocade(config-tnif-1)#tunnel mode ipv6ip
Brocade(config-tnif-1)#ipv6 enable
This example creates tunnel interface 1 and assigns a link local IPv6 address with an automatically
computed EUI-64 interface ID to it. The IPv4 address assigned to Ethernet interface 1/1/1 is used
as the tunnel source, while the IPv4 address 192.168.100.1 is configured as the tunnel
destination. The tunnel mode is specified as a manual IPv6 tunnel. Finally, the tunnel is enabled.
Note that instead of entering ipv6 enable, you could specify an IPv6 address, for example, ipv6
address 2001:b78:384d:34::/64 eui-64, which would also enable the tunnel.
Syntax: [no] interface tunnel number
For the number parameter, specify a value between 1–8.
Syntax: [no] tunnel source ipv4-address | ethernet port | loopback number | ve number
The tunnel source can be an IP address or an interface.
For ipv4-address, use 8-bit values in dotted decimal notation.
The ethernet | loopback | ve parameter specifies an interface as the tunnel source. If you specify
an Ethernet interface, also specify the port number associated with the interface. If you specify a
loopback, VE, or interface, also specify the loopback, VE, or number, respectively.
Syntax: [no] tunnel destination ipv4-address
Specify the ipv4-address parameter using 8-bit values in dotted decimal notation.
Syntax: [no] tunnel mode ipv6ip
ipv6ip indicates that this is an IPv6 manual tunnel.
Syntax: ipv6 enable
The ipv6 enable command enables the tunnel. Alternatively, you could specify an IPv6 address,
which would also enable the tunnel.
Syntax: ipv6 address ipv6-prefix/prefix-length [eui-64]
The ipv6 address command enables the tunnel. Alternatively, you could enter ipv6 enable, which
would also enable the tunnel.
Specify the ipv6-prefix parameter in hexadecimal format using 16-bit values between colons as
documented in RFC 2373.
Specify the prefix-length parameter as a decimal value. A slash mark (/) must follow the ipv6-prefix
parameter and precede the prefix-length parameter. The eui-64 keyword configures the global
address with an EUI-64 interface ID in the low-order 64 bits. The interface ID is automatically
constructed in IEEE EUI-64 format using the interface’s MAC address.