Copyright 2010-2013 Obihai Technology, Inc.
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VLAN Support in Router Mode
In router mode, the OBi202/OBi302 can support VLAN (802.1Q) on the WAN side. When VLAN is enabled, incoming packets
from the WAN side not belonging to the same VLAN are dropped, while all outgoing packets to the WAN side are tagged
with the configured VLAN ID. The VLAN support is transparent to the devices on LAN side. The router removes the VLAN
tag when forwarding packets to the LAN side.
LAN Switching Features
Instead of acting as a router, the OBi202/OBi302 can be set to work as a 3-port switch. One of the ports is internal and is
used by the OBi202/OBi302 CPU only, while the two external ports (labelled as Internet and LAN) can be connected to other
devices. This mode of operation is known as the bridge mode. In this mode, all the router features, such DHCP server,
firewall and port forwarding, will not take effect. The QoS policy in this case is hardwired such that the native voice and
related traffic will always have highest priority (this behavior is not configurable). Furthermore, accessing the OBi device
management web pages from either of the two external ports is always allowed.
VLAN Support in Bridge Mode
When VLAN is enabled, packets sent to the OBi not belonging to the same VLAN are dropped, while packets sent by the OBi
are tagged with the configured VLAN ID. The packets switched directly between the external ports, on the other hand, are
not modified by the OBi.
Содержание OBi100
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