Cisco Catalyst 3560-X Software Configuration Manual page 1175

Chapter 1 Configuring IPv6 Unicast Routing
To attach a snooping policy to an interface or VLAN, complete the following steps:
Action or Command
Step 1
enable
Step 2
configure terminal
Step 3 interface type number
Step 4 switchport
ipv6 snooping attach-policy
policy-name
OR
vlan configuration vlan list
ipv6 snooping attach-policy
policy-name
Step 5 show ipv6 snooping policy policy-name
Step 6 show ipv6 neighbors binding
Configuring IPv6 DHCP Guard
Action or Command
Step 1 enable
Step 2 configure terminal
Step 3
ipv6 dhcp guard policy policy-name
Step 4
[default | device-role [client | server] | no
| exit | trusted-port]
OL-25303-03
Purpose
Enables privileged EXEC mode. Enter your password if prompted.
Enters the global configuration mode.
Specifies an interface type and number, and enters the interface
configuration mode.
Attaches the snooping policy (where data gleaning is enabled) to an
interface. Specifies the port and the policy that is attached to the port.
If you have enabled data-glean on a snooping policy, you must
Note
attach it to an interface and not a VLAN.
Displays the snooping policy configuration.
Displays the binding table entries populated by the snooping policy.
Purpose
Enables privileged EXEC mode. Enter your password if prompted.
Enters the global configuration mode.
Creates a policy in global configuration mode and enters the DHCP guard
policy global configuration mode.
Configures the parameters for the DHCP guard policy.
• (Optional) default—Set a command to its defaults.
(Optional) device-role [client | server]—Qualifies the role of the
•
device attached to the port.
– client—Specifies that the attached device is a client. This is the
default. Any server messages are dropped on this port.
server—Specifies that the attached device is a DHCP server.
–
Server messages are allowed on this port.
(Optional) no—Removes the configured policy parameters.
•
(Optional) exit—Exits the DHCP guard policy global configuration
•
mode.
(Optional) trusted-port—Sets the port to a trusted mode. No further
•
policing takes place on the port.
If you configure a trusted port then the device-role option is
Note
not available.
Catalyst 3750-X and 3560-X Switch Software Configuration Guide
Configuring IPv6
1-21