ipv6 general-prefix 60

ipv6 general-prefix

This command defines an IPv6 general prefix for the network address segment. Use the no form to remove the IPv6 general prefix.

Syntax

ipv6 general-prefixprefix-name ipv6-prefix/prefix-length no ipv6 general-prefixprefix-name

prefix-name- The label assigned to the general prefix.

ipv6-prefix- The high-order bits of the network address segment assigned to the general prefix. The prefix must be formatted according to RFC 2373 “IPv6 Addressing Architecture,” using 8 colon-separated 16-bit hexadecimal values. One double colon may be used in the address to indicate the appropriate number of zeros required to fill the undefined fields.

prefix-length- A decimal value indicating how many of the contiguous bits (from the left) of the address comprise the prefix (i.e., the network portion of the address).

Default Setting

No general prefix is defined

Command Mode

Global Configuration

Command Usage

Prefixes may contain zero-value fields or end in zeros.

A general prefix holds a short prefix that indicates the high-order bits used in the network portion of the address. Longer, more specific, prefixes can be based on the general prefix to specify any number of subnets. When the general prefix is changed, all of the more specific prefixes based on this prefix will also change.

Example

This example assigns a general network prefix of 2009:DB9:2229::/48 to the switch.

Console(config)#ipv6 general-prefix rd 2009:DB9:2229::/48 Console(config)#end

Console#show ipv6 general-prefix IPv6 general prefix: rd 2009:DB9:2229::/48

Console#

Related Commands

show ipv6 general-prefix(60-4)

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