C
HAPTER
25
| General Security Measures
DHCPv6 Snooping
– 916 –
â—† When DHCPv6 snooping is enabled globally, and then disabled on a
VLAN, all dynamic bindings learned for this VLAN are removed from the
binding table.
EXAMPLE
This example enables DHCP6 snooping for VLAN 1.
Console(config)#ipv6 dhcp snooping vlan 1
Console(config)#
RELATED COMMANDS
ipv6 dhcp snooping (911)
ipv6 dhcp snooping trust (916)
ipv6 dhcp snooping
max-binding
This command sets the maximum number of entries which can be stored in
the binding database for an interface. Use the no form to restore the
default setting.
SYNTAX
ipv6 dhcp snooping max-binding count
no ipv6 dhcp snooping max-binding
count - Maximum number of entries. (Range: 1-5)
DEFAULT SETTING
5
COMMAND MODE
Interface Configuration (Ethernet, Port Channel)
EXAMPLE
This example sets the maximum number of binding entries to 1.
Console(config)#interface ethernet 1/1
Console(config-if)#ipv6 dhcp snooping max-binding 1
Console(config-if)#
ipv6 dhcp snooping
trust
This command configures the specified interface as trusted. Use the no
form to restore the default setting.
SYNTAX
[no] ipv6 dhcp snooping trust
DEFAULT SETTING
All interfaces are untrusted
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