HP 6125G HP 6125G & 6125G/XG Blade Switches Layer 3 - IP Services Conf - Page 142

Verifying the configuration, Configuring an ISATAP tunnel, Configuration prerequisites

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[SwitchB-Tunnel0] quit # Configure a static route whose destination address is 2002::/16 and the next hop is the tunnel interface. [SwitchB] ipv6 route-static 2002:: 16 tunnel 0 Verifying the configuration # Ping Host B from Host A or ping Host A from Host B. D:\>ping6 -s 2002:201:101:1::2 2002:501:101:1::2 Pinging 2002:501:101:1::2 from 2002:201:101:1::2 with 32 bytes of data: Reply from 2002:501:101:1::2: bytes=32 time=13ms Reply from 2002:501:101:1::2: bytes=32 time=1ms Reply from 2002:501:101:1::2: bytes=32 time=1ms Reply from 2002:501:101:1::2: bytes=32 time

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[SwitchB-Tunnel0] quit
# Configure a static route whose destination address is 2002::/16 and the next hop is the tunnel
interface.
[SwitchB] ipv6 route-static 2002:: 16 tunnel 0
Verifying the configuration
# Ping Host B from Host A or ping Host A from Host B.
D:\>ping6 -s 2002:201:101:1::2 2002:501:101:1::2
Pinging 2002:501:101:1::2
from 2002:201:101:1::2 with 32 bytes of data:
Reply from 2002:501:101:1::2: bytes=32 time=13ms
Reply from 2002:501:101:1::2: bytes=32 time=1ms
Reply from 2002:501:101:1::2: bytes=32 time=1ms
Reply from 2002:501:101:1::2: bytes=32 time<1ms
Ping statistics for 2002:501:101:1::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
Configuration prerequisites
Configure IP addresses for interfaces (such as the VLAN interface, and loopback interface) on the device
to ensure normal communication. One of the interfaces will be used as the source interface of the tunnel.
Configuration guidelines
Follow these guidelines when you configure an ISATAP tunnel:
•
Specify a public aadress or interface as the source address or interface for the tunnel.
•
No destination address needs to be configured for an ISATAP tunnel. The destination address of the
tunnel can be automatically obtained through the IPv4 address embedded in the ISATAP address.
•
To encapsulate and forward IPv6 packets whose destination address does not belong to the subnet
where the receiving tunnel interface resides, configure a static route to reach the destination IPv6
address through this tunnel interface on the device. Because automatic tunnels do not support
dynamic routing, you can configure a static route to that destination IPv6 address with this tunnel
interface as the outbound interface or the peer tunnel interface address as the next hop. A similar
configuration is required at the other tunnel end. For the detailed configuration, see
Layer 3—IP
Routing Configuration Guide
.
•
The automatic tunnel interfaces using the same encapsulation protocol cannot share the same
source IP address.