27-46
To configure the specified IPv6 address to be excluded from the address pool, the excluded
address will not be allocated to any hosts; the no form of this command will remove the
configuration.
Parameter:
<ipv6-address> is the IPv6 address to be excluded from being allocated to hosts in the address
pool.
Default:
Disabled
Command Mode:
DHCPv6 address pool configuration mode.
Usage Guide:
This command is used to preserve the specified address from DHCPv6 address allocation.
Example:
To configure to exclude 2001:da8:123::1 from DHCPv6 address allocation.
Switch(config)#excluded-address 2001:da8:123::1
27.11 ipv6 address
Command:
ipv6 address <prefix-name> <ipv6-prefix/prefix-length>
no ipv6 address <prefix-name> <ipv6-prefix/prefix-length>
Function:
To configure the specified interface to use prefix delegation for address allocation. The no form of
this command will disable the using of prefix delegation for address allocation.
Parameters:
<prefix-name> is a string with its length no more than 32, designating or manual configuring the
name of the address prefix defined in the prefix pool. <ipv6-prefix/prefix-length> is latter part of
the IPv6 address excluding the address prefix, as well as its length.
Command Mode:
Interface Configuration Mode.
Default:
No global address is configured for interfaces by default.
Usage Guide:
The IPv6 address of an interface falls into two parts: <prefix-name> and
<ipv6-prefix>/<prefix-length>. If routing advertisement has been enabled, the first 64 bits of the
addresses will be advertised. The address generated by <prefix-name> and
<ipv6-prefix/prefix-length> combination will be removed, and the advertising of the prefix will be
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