Specifications

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Cisco ME 3400 Ethernet Access Switch Command Reference

OL-9640-07

Chapter 2 Cisco ME 3400 Ethernet Access Switch Cisco IOS Commands

ipv6 dhcp pool

Use the ipv6 dhcp pool global configuration command to enter Dynamic Host Configuration Protocol

for IPv6 (DHCPv6) pool configuration mode. Use the no form of this command to return to the default

settings.

ipv6 dhcp pool poolname

no ipv6 dhcp pool poolname

Note This command is available only if the switch is running the metro IP access image and you have

configured a dual IPv4 and IPv6 Switch Database Management (SDM) template on the switch.

Syntax Description

Defaults No default is defined.

Command Modes Global configuration

Command History

Usage Guidelines To configure the dual IPv4 and IPv6 template, enter the sdm prefer dual-ipv4-and-ipv6 {default |

vlan} global configuration command, and reload the switch.

DHCPv6 pool configuration mode commands:

• address prefix IPv6-prefix: sets an address prefix for address assignment. This address must be in

hexadecimal, using 16-bit values between colons.

• lifetime t1 t2: sets a valid and a preferred time interval (in seconds) for the IPv6 address. The range

is 5 to 4294967295 seconds. The valid default is 2 days. The preferred default is 1 day. The valid

lifetime must be greater than or equal to the preferred lifetime. Specify infinite for no time interval.

• link-address IPv6-prefix: sets a link-address IPv6 prefix. When an address on the incoming

interface or a link-address in the packet matches the specified IPv6-prefix, the server uses the

configuration information pool. This address must be in hexadecimal, using 16-bit values between

colons.

• vendor-specific: enables the DHCPv6 vendor-specific configuration mode with these configuration

commands:

–

vendor-id: enter a vendor-specific identification number. This number is the vendor IANA

Private Enterprise Number. The range is 1 to 4294967295.

poolname User-defined name for the DHCPv6 pool. The pool name can be a symbolic

string (such as Engineering) or an integer (such as 0).

Release Modification

12.2(50)SE This command was introduced.