D-Link DGS-1520 User Manual - Page 459

IPv6 ND Inspection, Security > IMPB > IPv6 > IPv6 ND Inspection

Page 459 highlights

DGS-1520 Series Gigabit Ethernet Smart Managed Switch Web UI Reference Guide Parameter Binding Max Entries Description Enter the maximum number of IPv6 snooping binding entries that is allowed here. The range is from 0 to 511. Click the Apply button to accept the changes made. Click the Clear button to clear DHCPv6 PD snooping entries from the specified port. IPv6 ND Inspection This window is used to display and configure the IPv6 ND inspection settings. To view the following window, click Security > IMPB > IPv6 > IPv6 ND Inspection, as shown below: Figure 9-60 IPv6 ND Inspection Window The fields that can be configured are described below: Parameter Policy Name Device Role Mode Validate Source-MAC Target Port Unit From Port - To Port Description Enter the policy name used here. This name can be up to 32 characters long. Select the device role here. Options to choose from are Host and Router. By default, the device's role is set as host and inspection for NS and NA messages are performed. If the device role is set as router, the NS and NA inspection is not performed. When performing NS/NA inspection, the message will be verified against the dynamic binding table learned from the ND protocol or from the DHCP. Select the mode of ND inspection here. Options to choose from are: • Precise - Specifies to use the precise mode. ND inspection checks if the target address is the same as the source address in DANA/NA packets. • Fuzzy - Specifies to use the fuzzy mode. ND inspection checks if both the target and the source addresses exist in the binding table. Select to enable or disable the validation of the source MAC address option here. When the Switch receives an ND message that contains a link-layer address, the source MAC address is checked against the link-layer address. The packet will be dropped if the link-layer address and the MAC addresses are different from each other. Tick this option to specify the target port. Select the Switch unit that will be used for this configuration here. Select the appropriate port range used for the configuration 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. 449

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DGS-1520 Series Gigabit Ethernet Smart Managed Switch Web UI Reference Guide
449
Parameter
Description
Binding Max Entries
Enter the maximum number of IPv6 snooping binding entries that is allowed here.
The range is from 0 to 511.
Click the
Apply
button to accept the changes made.
Click the
Clear
button to clear DHCPv6 PD snooping entries from the specified port.
IPv6 ND Inspection
This window is used to display and configure the IPv6 ND inspection settings.
To view the following window, click
Security > IMPB > IPv6 > IPv6 ND Inspection
, as shown below:
Figure 9-60 IPv6 ND Inspection Window
The fields that can be configured are described below:
Parameter
Description
Policy Name
Enter the policy name used here. This name can be up to 32 characters long.
Device Role
Select the device role here. Options to choose from are
Host
and
Router
. By
default, the device's role is set as host and inspection for NS and NA messages
are performed. If the device role is set as router, the NS and NA inspection is not
performed. When performing NS/NA inspection, the message will be verified
against the dynamic binding table learned from the ND protocol or from the DHCP.
Mode
Select the mode of ND inspection here. Options to choose from are:
Precise
- Specifies to use the precise mode. ND inspection checks if the
target address is the same as the source address in DANA/NA packets.
Fuzzy
- Specifies to use the fuzzy mode. ND inspection checks if both the
target and the source addresses exist in the binding table.
Validate Source-MAC
Select to enable or disable the validation of the source MAC address option here.
When the Switch receives an ND message that contains a link-layer address, the
source MAC address is checked against the link-layer address. The packet will be
dropped if the link-layer address and the MAC addresses are different from each
other.
Target Port
Tick this option to specify the target port.
Unit
Select the Switch unit that will be used for this configuration here.
From Port - To Port
Select the appropriate port range used for the configuration 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.