4 Configuration
DES-1210 Series Switch Web UI Reference Guide
Figure 4.48 – L2 Functions > MAC Address Table > Static Mac
To initiate the removal of auto-learning 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
to add a new MAC address, you also need to select the assigned Port number, enter both the Mac
Address and VID and 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
Dynamic Forwarding Table
(please refer to
L2 Functions >
MAC Address Table > Dynamic Forwarding Table
for details).
By disabling Auto Learning capability and specify the static MAC addresses, the network is protected from
potential threats like hackers because traffic from illegal MAC addresses will not be forwarded by the Switch.
L2 Functions > MAC Address Table > Dynamic Forwarding Table
For each port, this table displays the MAC address learned by the Switch. To add a MAC address to the
Static Mac Address List, click the
Add to Static MAC
checkbox, and then click
Apply
associated with the
identified address.
Figure 4.49 – Security > 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 also used for RSTP. This section introduces some new Spanning Tree concepts and
illustrates the main differences between the two protocols.
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:
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