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2.2.1 Interfaces
MW1122 has the following interfaces:
D
Ethernet interface (LAN)
D
Wireless LAN interface (WLAN)
D
8 ATM VCC interfaces
D
ATM VCC management interface
D
Gateway/bridge management interface. This interface is used as a
bridge host interface or gateway interface depending on the
operation mode. In this manual it is called VBRIDGE. On the
MW1122 web pages, the interface is called gateway or bridge IP
interface.
MW1122 can operate in four different main modes:
D
Bridging only
D
Routing/tunneling IP only
D
Routing/tunneling IP, bridging all but IP
D
Routing/tunneling IP and bridging all, including IP
The mode in which MW1122 operates depends on the configuration of
the unit's interfaces. Table 2-1 shows the operational modes and the
corresponding interface configurations.
LAN interface
Bridging
Routing (IP ad-
dress confi-
gured)
C33902001SE_00
WLAN inter-
ATM VCC inter-
face
faces
Bridge only
Bridging or
Bridging.
slaved to LAN
interface (single
subnet).
Route/tunnel IP only
Routing (IP ad-
Routing (IP ad-
dress confi-
dress confi-
gured) or slaved
gured) or PPTP
to LAN interface
local tunneling
(single subnet).
activated for
each active
ATM VCC.
E Copyright Nokia Networks Oy
Applications and features
Vbridge
(gateway/host
interface)
Used as a man-
agement (host)
interface for all
bridged inter-
faces in case
such is needed.
Not used in this
case. The unit
can be man-
aged through
any of the LAN,
WLAN or ATM
interface IP ad-
dresses.
2-5
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