D-Link DGS-3630-28SC [533/742] Ipv6 nd inspection

D-Link DGS-3630-28PC [533/742] Ipv6 nd inspection
DGS-3630 Series Layer 3 Stackable Managed Switch Web UI Reference Guide
521
Parameter Description
Deny.
Click the Apply button to accept the changes made.
The fields that can be configured in IPv6 Snooping Policy Settings are described below:
Parameter Description
Policy Name
Enter the IPv6 snooping policy name used here. This name can be up to 32
characters long.
Limit Address Count
Enter the address count limit value used here. This value must be between 0 and
511. Tick the No Limit option to disable this option.
Protocol
Select the protocol state here. Options to choose from are Enabled and
Disabled.
Select DHCP to specify that addresses should be snooped in DHCPv6
packets.
Select NDP to specify that addresses should be snooped in NDP packets.
Select DHCP-PD to specify that the IPv6 prefix should be snooped in
DHCPv6-PD packets.
DHCPv6 snooping sniffs the DHCPv6 packets sent between the DHCPv6 client
and server in the address assigning procedure. When a DHCPv6 client
successfully got a valid IPv6 address, DHCPv6 snooping creates its binding
database. ND Snooping is designed for a stateless auto-configuration assigned
IPv6 address and manually configured IPv6 address. Before assigning an IPv6
address, the host must perform Duplicate Address Detection first. ND snooping
detects DAD messages (DAD Neighbor Solicitation (NS) and DAD Neighbor
Advertisement (NA)) to build its binding database. The NDP packet (NS and NA)
is also used to detect whether a host is still reachable and determine whether to
delete a binding or not.
DHCP-PD snooping performs DHCPv6 snooping of Prefix Delegation (PD) to
setup bindings between the Delegating Router (assigned with an IPv6 prefix) and
the corresponding Requesting Router. The bindings can be used to validate the
source prefix in the packets.
Data Glean
Select to enable or disable the data-glean function here. In some circumstances
(DAD-NS packet lost or Switch reboot), a valid IPv6 address cannot be found in
the binding table for some devices and as a result traffic to and from these
devices are denied by the IPv6 source guard. The data-glean function provides a
method for the Switch to recover the lost IPv6 addresses using IPv6 Duplicate
Address Detection (DAD).
VID List
Enter the VLAN ID list used here.
Click the Apply button to accept the changes made.
Click the Edit button to re-configure the specific entry.
Click the Delete button to remove the specified entry.
IPv6 ND Inspection
This window is used to display and configure the IPv6 ND inspection settings.

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