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VersaLink Wireless Gateway (Model 7500)
VC Status
VPI
VCI
PCR
QoS
Protocol
Bridge Mode
030-300536 Rev. A
VC 1 – Bridge Protocol (Bridge Mode)
The protocol status is Enabled.
This setting allows you to change your VPI (Virtual Path Indicator) value for a
particular VC, which is defined by your Service Provider.
This setting allows you to change your VCI (Virtual Channel Indicator) value for a
particular VC, which is defined by your Service Provider.
Factory Default = 100%
Peak Cell Rate (PCR)-The maximum rate at which cells can be transmitted across a
virtual circuit, specified in cells per second and defined by the interval between the
transmission of the last bit of one cell and the first bit of the next.
This value is a percentage of the current data rate.
100 allows this VC to use 100% of the available bandwidth.
80 allows this VC to use 80% of the available bandwidth.
Quality of Service, which is determined by your Service Provider.
Possible Responses:
CBR = Constant Bit Rate
UBR = Unspecified Bit Rate
VBR = Variable Bit Rate
The Protocol for each VC, which is specified by your Service Provider.
Possible Responses:
PPPoA = Point to Point Protocol over ATM (Asynchronous Transfer Mode)
PPPoE = Point to Point Protocol over Ethernet
Bridge = Bridge Protocol
A bridge is a layer 2 device that connects two segments of the
same LAN that use the same protocol such as Ethernet. The
modem does not have a WAN IP address in this mode. The client
Bridge
PC will typically get an IP address from a DHCP server in the
network or the IP address can be assigned to the client PC
statically.
Routed Bridged Encapsulation (RBE) is the process by which a
bridged segment is terminated on a routed interface. Specifically,
the Router is routing on an IEEE 802.3 or Ethernet header carried
over RFC 1483 bridged ATM. RBE was developed to address the
Routed Bridge
known RFC1483 bridging issues, including broadcast storms and
security. The modem will get a WAN IP address through DHCP
or can be assigned statically. NAT will use the global address
assigned to the modem.
86
User Guide
August 2007
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