HP 6125XLG R2306-HP 6125XLG Blade Switch Layer 3 - IP Services Command Referen - Page 225
ipv6 dhcp server forbidden-prefix
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Examples # Exclude IPv6 addresses of 2001:10:110::1 through 2001:10:110::20 from dynamic assignment. system-view [Sysname] ipv6 dhcp server forbidden-address 2001:10:110::1 2001:10:110::20 Related commands • ipv6 dhcp server forbidden-prefix • static-bind ipv6 dhcp server forbidden-prefix Use ipv6 dhcp server forbidden-prefix to exclude specific IPv6 prefixes from dynamic allocation. Use undo ipv6 dhcp server forbidden-prefix to remove the configuration. Syntax ipv6 dhcp server forbidden-prefix start-prefix/prefix-len [ end-prefix/prefix-len ] undo ipv6 dhcp server forbidden-prefix start-prefix/prefix-len [ end-prefix/prefix-len ] Default No IPv6 prefixes in the DHCPv6 prefix pool are excluded from dynamic allocation. Views System view Predefined user roles network-admin Parameters start-prefix/prefix-len: Specifies the start IPv6 prefix. The prefix-len argument specifies the prefix length, ranging from 1 to 128. end-prefix/prefix-len: Specifies the end IPv6 prefix. The prefix-len argument specifies the prefix length, ranging from 1 to 128. The value for end-prefix cannot be lower than that for start-prefix. If this argument is not specified, only the start-prefix/prefix-len is excluded from dynamic allocation. If it is specified, the prefixes from start-prefix/prefix-len to end-prefix/prefix-len are all excluded. Usage guidelines You can exclude multiple IPv6 prefix ranges from dynamic allocation. If the excluded IPv6 prefix is in a static binding, the prefix can still be assigned to the client. The prefix or prefix range specified in the undo form of the command must be the same as the prefix or prefix range specified in the command. To remove a prefix that has been specified as part of a prefix range, you must remove the entire prefix range. Examples # Exclude IPv6 prefixes from 2001:3e11::/32 through 2001:3eff::/32 from dynamic allocation. system-view [Sysname] ipv6 dhcp server forbidden-prefix 2001:3e11::/32 2001:3eff::/32 Related commands • ipv6 dhcp server forbidden-address 217