D-Link xStack DGS-3620 Series Reference Manual page 437

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xStack DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch Web UI Reference Guide
The fields that can be configured are described below:
Parameter
Roaming State
Trap / Log
DHCP Snooping (IPv4)
DHCP Snooping (IPv6)
ND Snooping
Recover Learning
Ports
Recover Time (60-
1000000)
File Name
Figure 9-25 IMPB Global Settings window
Description
Select to enable or disable the roaming state. When IMPB roaming is enabled, the
dynamic authenticated MAC address which learned through DHCP/ND snooping on
specific port can change to another port if it detects (1) a new DHCP process belong
to same IP and MAC address or (2) a new DAD process belong to same IP and
MAC.
Click the radio buttons to enable or disable the sending of trap/log messages for IP-
MAC-port binding. When Enabled, the Switch will send a trap message to the SNMP
agent and the Switch log when an ARP/IP packet is received that doesn't match the
IP-MAC-port binding configuration set on the Switch. The default is Disabled.
Click the radio buttons to enable or disable DHCP snooping (IPv4) for IP-MAC-port
binding. The default is Disabled.
Click the radio buttons to enable or disable DHCP snooping (IPv6) for IP-MAC-port
binding. The default is Disabled.
Click the radio buttons to enable or disable enable ND snooping on the Switch. The
default is Disabled.
Enter the port numbers used to recover the learning port state. Tick the All check
box to apply to all ports.
Enter an interval in second used by the auto-recovery mechanism.
This option is used to download or upload DHCPv4 Snooping binding entries by
TFTP. Enter the file path, to the TFTP server, here. Alternatively, click on the
Browse button and navigate to the file located on the PC. Click the Download
button to initiate the download. Click the Upload button to initiate the upload.
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