Configuring 6to4 Tunnel 531
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CAUTION:
■ Only one automatic tunnel can be configured at the same tunnel source.
■ No destination address needs to be configured for an automatic tunnel
because the destination address can automatically be obtained from the IPv4
address embedded in the IPv4-compatible IPv6 address.
■ When you create a tunnel interface on a device, the slot of the tunnel interface
should be that of the source interface, namely, the interface sending packets.
In this way, the forwarding efficiency can be improved.
■ If the addresses of the tunnel interfaces at the two ends of a tunnel are not in
the same network segment, a forwarding route through the tunnel to the peer
must be configured so that the encapsulated packet can be forwarded
normally. You can configure static or dynamic routes. You should perform this
configuration at both ends of the tunnel.
■ The automatic tunnel interfaces encapsulated with the same protocol cannot
share the same source IP address.
■ Automatic tunnels do not support dynamic routing.
Create a tunnel interface and
enter tunnel interface view
interface tunnel number Required
By default, there is no
tunnel interface on the
device.
Configure an
IPv6 address for
the tunnel
interface
Configure an
IPv6 global
unicast address
or site-local
address
ipv6 address
{ ipv6-address prefix-length
|
ipv6-address/prefix-length }
Required.
Use either command.
By default, no IPv6 global
unicast address or site-local
address is configured for
the tunnel interface.
ipv6 address
ipv6-address/prefix-length
eui-64
Configure an
IPv6 link-local
address
ipv6 address auto
link-local
Optional
By default, a link-local
address will automatically
be generated when an IPv6
global unicast address or
site-local address is
configured.
ipv6 address ipv6-address
link-local
Set a 6to4 tunnel tunnel-protocol ipv6-ipv4
6to4
Required
By default, the tunnel mode
is manual. The same tunnel
type should be configured
at both ends of the tunnel.
Otherwise, packet delivery
will fail.
Configure a source address or
interface for the tunnel
source { ip-address |
interface-type
interface-number }
Required
By default, no source
address or interface is
configured for the tunnel.
Reference a link aggregation
group
aggregation-group
aggregation-group-id
Required
By default, no link
aggregation group ID is
referenced.
To do… Use the command… Remarks
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