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5 Configuration D-Link Web Smart Switch User Manual
To initiate the removal of auto-le
arning for any of the uplink ports, click On to enable this feature, and then
select the port(s) for auto learning to be disabled.
The Static MAC Address Setting table displays the static MAC addresses connected, as well as the VID.
Click Add Mac to add a new MAC address, you also need to select the assigned Port number. Enter both
the Mac Address and VID, and then Click Apply. Click Delete to remove one entry or click Delete all to clear
the list. You can also copy a learned MAC address from the Dynamic Forwarding Table (please refer to L2
Functions > MAC Address Table > Dynamic Forwarding Table for details).
By disabling Auto Learning capability and specifying the static MAC addresses, the network is protected from
potential threats like hacke forwarded by the Switch.
Forwarding Table
rs, because traffic from illegal MAC addresses will not be
L2 Functions > MAC Address Table > Dynamic
or each port, this table displays the MAC address learned by the Switch. To add a MAC address to the F
Static Mac Address List, click the Add checkbox, and then click Apply associated with the identified address.
Figure 5.38 – L2 Functions > MAC Address Table > Dynamic Forwarding Table
L2 Functions > Spanning Tree > STP Global Settings
The Switch implements two versions of the Spanning Tree Protocol, the Rapid Spanning Tree Protocol
(RSTP) as defined by the IEEE 802.1w specification and a version compatible with the IEEE 802.1D STP.
RSTP can operate with legacy equipment implementing IEEE 802.1D, however the advantages of using
RSTP will be lost.
The IEEE 802.1w Rapid Spanning Tree Protocol (RSTP) evolved from the 802.1D STP standard. RSTP was
developed in order to overcome some limitations of STP that impede the function of some recent switching
innovations. The basic function and much of the terminology is the same as STP. Most of the settings
configured for STP are ing Tree concepts and
lustrates the main differences between the two protocols.
also used for RSTP. This section introduces some new Spann
il
By default, Rapid Spanning Tree is disabled. If enabled, the Switch will listen for BPDU packets and its
accompanying Hello packet. BPDU packets are sent even if a BPDU packet was not received. Therefore,
each link between bridges is sensitive to the status of the link. Ultimately this difference results in faster
detection of failed links, and thus faster topology adjustment.
After enabling STP, setting the STP Global Setting includes the following options:
Figure 5.39 – L2 Functions > Spanning Tree > STP Global Settings
STP Version: You can choose RSTP or STP Compatible. The default setting is RSTP.
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