Brocade Communications Systems 6650 manual Configuring a link-local IPv6 address on an interface

5 Configuring basic IPv6 connectivity on a Layer 3 switch

Type IPv6 Prefix	Next	Hop Router	Interface	Dis/Metric
C 2001:DB8/122	::		ve 11	0/0

Configuring a global IPv6 address with an automatically computed EUI-64 interface ID

To configure a global IPv6 address with an automatically computed EUI-64 interface ID in the low-order 64-bits, enter commands such as the following.

Brocade(config)#interface ethernet 1/1/1 Brocade(config-if-e10000-1/1/1)#ipv6 address 2001:DB8:12D:1300::/64 eui-64

These commands configure the global prefix 2001:DB8:12d:1300::/64 and an interface ID, and enable IPv6 on ethernet interface 1/1/1.

Syntax: ipv6 address <ipv6-prefix>/<prefix-length> eui-64

You must specify the <ipv6-prefix>parameter in hexadecimal using 16-bit values between colons as documented in RFC 2373.

You must specify the <prefix-length>parameter as a decimal value. A slash mark (/) must follow the <ipv6-prefix>parameter and precede the <prefix-length>parameter.

The eui-64keyword configures the global address with an EUI-64 interface ID in the low-order 64 bits. The interface ID is automatically constructed in IEEE EUI-64 format using the interface’s MAC address.

Configuring a link-local IPv6 address on an interface

To explicitly enable IPv6 on a router interface without configuring a global or site-local address for the interface, enter commands such as the following.

Brocade(config)#interface ethernet 1/1/1

Brocade(config-if-e10000-1/1/1)#ipv6 enable

These commands enable IPv6 on Ethernet interface 1/1/1 and specify that the interface is assigned an automatically computed link-local address.

Syntax: [no] ipv6 enable

NOTE

When configuring VLANs that share a common tagged interface with a physical or Virtual Ethernet (VE) interface, Brocade recommends that you override the automatically computed link-local address with a manually configured unique address for the interface. If the interface uses the automatically computed address, which in the case of physical and VE interfaces is derived from a global MAC address, all physical and VE interfaces will have the same MAC address.

To override a link-local address that is automatically computed for an interface with a manually configured address, enter commands such as the following.

Brocade(config)#interface ethernet 1/1/1 Brocade(config-if-e10000-1/1/1)#ipv6 address 2001:DB8::240:D0FF:FE48:4672 link-local

These commands explicitly configure the link-local address 2001:DB8::240:D0FF:FE48:4672 for ethernet interface 1/1/1.

Syntax: ipv6 address <ipv6-address>link-local

110	Brocade ICX 6650 Administration Guide
	53-1002600-01