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Chapter 40
Configuring IPv6 Unicast Routing
Command
Step 5
show ipv6 interface
Step 6
copy running-config startup-config
Use the no ipv6 nd router-preference interface configuration command to disable an IPv6 DRP.
This example shows how to configure a DRP of high for the router on an interface.
Switch# configure terminal
Switch(config)# interface gigabitethernet1/0/1
Switch(config-if)# ipv6 nd router-preference high
Switch(config-if)# end
For more information about configuring DRP for IPv6, see the "Implementing IPv6 Addresses and Basic
Connectivity" chapter in the Cisco IOS IPv6 Configuration Library on Cisco.com.
Configuring IPv4 and IPv6 Protocol Stacks
Before configuring IPv6 routing, you must select an SDM template that supports IPv4 and IPv6. If not
already configured, use the sdm prefer dual-ipv4-and-ipv6 {default | routing | vlan} [desktop] global
configuration command to configure a template that supports IPv6. When you select a new template, you
must reload the switch by using the reload privileged EXEC command so that the template takes effect.
Beginning in privileged EXEC mode, follow these steps to configure a Layer 3 interface to support both
IPv4 and IPv6 and to enable IPv6 routing.
Command
Step 1
configure terminal
Step 2
ip routing
Step 3
ipv6 unicast-routing
Step 4
interface interface-id
Step 5
no switchport
Step 6
ip address ip-address mask [secondary]
Step 7
ipv6 address ipv6-prefix/prefix length eui-64
or
ipv6 address ipv6-address link-local
or
ipv6 enable
Step 8
end
OL-13270-06
Purpose
Verify the configuration.
(Optional) Save your entries in the configuration file.
Purpose
Enter global configuration mode.
Enable routing on the switch.
Enable forwarding of IPv6 data packets on the switch.
Enter interface configuration mode, and specify the Layer 3
interface to configure.
Remove the interface from Layer 2 configuration mode (if it is a
physical interface).
Specify a primary or secondary IPv4 address for the interface.
Specify a global IPv6 address. Specify only the network prefix;
the last 64 bits are automatically computed from the switch
MAC address.
Specify a link-local address on the interface to be used instead
of the automatically configured link-local address when IPv6 is
enabled on the interface.
Automatically configure an IPv6 link-local address on the
interface, and enable the interface for IPv6 processing. The
link-local address can only be used to communicate with nodes
on the same link.
Return to privileged EXEC mode.
Cisco Catalyst Blade Switch 3130 and 3032 for Dell Software Configuration Guide
Configuring IPv6
40-15
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