Vlan, Ieee 802.1q vlans, Vlan 31 – Interlogix MCR205-1T/1S User Manual User Manual

Page 37

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IFS MCR205-1T/1S User Manual

31

Storm Trigger Counter

Storm Trigger Counter setting and the available options are:
64 broadcast
32 broadcast
16 broadcast
8 broadcast
Default mode is 64 broadcast.

Storm Filter Timer

Storm Filter Timer setting and the available options are:
800ms
400ms
200ms
100ms
Default mode is 800ms.

Apply Button

Press this button to save current configuration.

VLAN

A Virtual LAN (VLAN) is a logical network grouping that limits the broadcast
domain. It allows you to isolate network traffic so only members of the VLAN
receive traffic from the same VLAN members. Basically, creating a VLAN from a
converter is logically equivalent of reconnecting a group of network devices to
another Layer 2 switch. However, all the network devices are still plugged into
the same switch physically.

The MCR205-1T/1S supports IEEE 802.1Q (tagged-based) VLAN setting in web
management page. In the default configuration, VLAN support is “No VLAN”.

IEEE 802.1Q VLANs

IEEE 802.1Q (tagged) VLAN are implemented on the MCR205-1T/1S. 802.1Q
VLAN requires tagging, which enables them to span the entire network
(assuming all devices on the network are IEEE 802.1Q-compliant).

VLAN allows a network to be segmented in order to reduce the size of broadcast
domains. All packets entering a VLAN will only be forwarded to the stations (over
IEEE 802.1Q enabled switches) that are members of that VLAN, and this
includes broadcast, multicast and unicast packets from unknown sources.

VLAN can also provide a level of security to your network. IEEE 802.1Q VLAN
will only deliver packets between stations that are members of the VLAN. Any
port can be configured as either tagging or untagging. The untagging feature of
IEEE 802.1Q VLAN allows VLAN to work with legacy switches that don't
recognize VLAN tags in packet headers. The tagging feature allows VLAN to
span multiple 802.1Q-compliant switches through a single physical connection
and allows Spanning Tree to be enabled on all ports and work normally.

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