303
Reply from 2001::2: bytes=32 time=1ms
Reply from 2001::2: bytes=32 time=1ms
Reply from 2001::2: bytes=32 time<1ms
Ping statistics for 2001::2:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 13ms, Average = 3ms
Configuring an ISATAP tunnel
Follow these guidelines when you configure an ISATAP tunnel:
• You do not need to configure a destination address for an ISATAP tunnel, because the
destination IPv4 address is embedded in the ISATAP address.
• Do not specify the same source addresses for local tunnel interfaces in the same tunnel mode.
• Because automatic tunnels do not support dynamic routing, configure a static route destined for
the destination IPv6 network at each tunnel end. You can specify the local tunnel interface as
the egress interface of the route or specify the IPv6 address of the peer tunnel interface as the
next hop of the route. For more information about route configuration, see Layer 3—IP Routing
Configuration Guide.
To configure an ISATAP tunnel:
Step Command Remarks
1. Enter system view.
system-view
N/A
2. Enter ISATAP tunnel
interface view.
interface tunnel
number [
mode
ipv6-ipv4 isatap
]
N/A
3. Specify an IPv6 address for
the tunnel interface.
See "Configuring basic IPv6
settings."
B
y default, no IPv6 address is
configured for the tunnel
interface.
4. Configure a source address
or source interface for the
tunnel interface.
source
{ ip-address |
interface-type interface-number }
By default, no source address or
source interface is configured for
the tunnel interface.
The specified source address or
the primary IP address of the
specified source interface is
used as the source IP address of
tunneled packets.
5. (Optional.) Set the DF bit for
tunneled packets.
tunnel dfbit enable
By default, the DF bit is not set
for tunneled packets.
6. Return to system view.
quit
N/A
7. (Optional.) Enable dropping
IPv6 packets that use
IPv4-compatible IPv6
addresses.
tunnel discard
ipv4-compatible-packet
By default, IPv6 packets that use
IPv4-compatible IPv6 packets
are not dropped.