Configuring ipv4 and ipv6 protocol stacks – Dell POWEREDGE M1000E User Manual

Page 1014

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39-14

Cisco Catalyst Blade Switch 3130 and 3032 for Dell Software Configuration Guide

OL-13270-03

Chapter 39 Configuring IPv6 Unicast Routing

Configuring IPv6

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

Purpose

Step 1

configure terminal

Enter global configuration mode.

Step 2

ip routing

Enable routing on the switch.

Step 3

ipv6 unicast-routing

Enable forwarding of IPv6 data packets on the switch.

Step 4

interface interface-id

Enter interface configuration mode, and specify the Layer 3
interface to configure.

Step 5

no switchport

Remove the interface from Layer 2 configuration mode (if it is a
physical interface).

Step 6

ip address ip-address mask [secondary]

Specify a primary or secondary IPv4 address for the interface.

Step 7

ipv6 address ipv6-prefix/prefix length eui-64

or

ipv6 address ipv6-address link-local

or

ipv6 enable

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.

Step 8

end

Return to privileged EXEC mode.

Step 9

show interface interface-id

show ip interface interface-id

show ipv6 interface interface-id

Verify your entries.

Step 10

copy running-config startup-config

(Optional) Save your entries in the configuration file.

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