4-9
Cisco Unified IP Phone 6921, 6941, 6945, and 6961 Administration Guide for Cisco Unified Communications Manager 8.6 (SCCP and SIP)
OL-24567-01
Chapter
IPv6 Setup Menu Options
Table 4-3 describes the IPv6 Setup menu options.
Related Topics
• Displaying a Configuration Menu, page 4-2
• Unlocking and Locking Options, page 4-3
• Editing Values, page 4-3
Table 4-3 IPv6 Setup Menu Options
Option Description
DHCPv6 Indicates whether the phone has DHCPv6 enabled or disabled.
When DHCPv6 is enabled, the DHCPv6 server assigns the phone an IPv6 address.
When DHCP v6 is disabled, the administrator must manually assign an IPv6 address
to the phone.
IPv6 Address Internet Protocol version 6 (IPv6) address of the phone. The IPv6 address is a 128 bit
address.
If you assign an IP address with this option, you must also assign the IPv6 prefix
length and default router.
IPv6 Prefix Length Subnet prefix length that is used by the phone. The subnet prefix length is a decimal
value from 1-128, that specifies the portion of the IPv6 address that comprises the
subnet.
IPv6 Default Router 1 Default router used by the phone (Default Router 1).
IPv6 DNS Server 1 Primary Domain Name System (DNS) server (DNS Server 1) used by the phone.
IPv6 Address Released The phone has been configured to release its IPv6 address.
IPv6 Alternate TFTP Indicates whether the phone is using the IPv6 Alternate TFTP server.
IPv6 TFTP Server 1 (SCCP phones
only)
Primary IPv6 Trivial File Transfer Protocol (TFTP) server used by the phone.
IPv6 TFTP Server 2 (SCCP phones
only)
Optional backup IPv6 TFTP server that the phone uses if the primary IPv6 TFTP
server is unavailable.
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