IP Configuration
IPv6 Management and Interfaces
Cisco 350XG & 550XG Series 10G Stackable Managed Switches
346
16
IPv6 Multicast is not supported on the 6to4 tunnel interface.
The switch automatically creates a 2002::/16 on-link prefix on the 6to4
tunnel. The connected 2002::/16 route on the tunnel is added to the Routing
Table as result of the on-link prefix creation.
When the tunnel mode is changed from 6to4 to another mode, the on-link
prefix and connected routes are removed.
When the next hop outgoing interface is the 6to4 tunnel, the IPv4 address of
the next hop node is taken from the prefix 2002:WWXX:YYZZ::/48 of the
IPv6 next hop IPv6 address, if it is global, and from the last 32 bits of the
interface identifier of the IPv6 next hop IPv6 address, if it is link local.
Up to 16 tunnels (of which one can be ISATAP) can be defined.
Configuring Tunnels
NOTE
After creating a tunnel, configure IPv6 interface as a tunnel in the IPv6 Interfaces
page.
To configure an IPv6 tunnel:
STEP 1
Click
IP Configuration > IPv6 Management and Interfaces > IPv6 Tunnel
.
STEP 2
Enter the
ISATAP Parameters
.
•
Solicitation Interval
—The number of seconds between ISATAP router
solicitations messages, when no active ISATAP router is discovered. The
interval can be the
Default Value
or a
User Defined
interval.
•
Robustness
—Used to calculate the interval for router solicitation queries.
The bigger the number, the more frequent the queries. The interval can be
the
Default Value
or a
User Defined
interval
NOTE
The ISATAP tunnel is not operational if the underlying IPv4 interface is
not in operation.
STEP 3
Click
Apply
to save the ISATAP parameters to the Running Configuration file.
STEP 4
To add a tunnel, select an interface (which was defined as a tunnel in the IPv6
Interfaces page) in the IPv6 Tunnel Table and click
Add
.
STEP 5
Enter the following fields:
•
Tunnel Name
—Select a tunnel number.
•
Tunnel Type
—Select a tunnel type:
Manual,
ISATAP
and
6 to 4
.
