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See FRM.
frame relay module
See FRM-2.
frame relay
module-2
A packet interface data transmission protocol used for connecting widely-separated LANs.
frame relay service
Characterized by long intervals of no data to be sent interspersed with bursts of large volumes of data;
sometimes referred to as "bursty data".
frame relay interface.
FRI
The back card for an FRM (IGX switch) card. The FRI provides V.35, X.21, T1, or E1 interfaces.
frame relay module.
FRM
An IGX frame relay front card that supports 1 to 4 data ports, and in single-port mode, operates up to
2.048 Mbps. The card is used in conjunction with FRI-V.35, X.21, T1, or E1 back cards.
frame relay module-2.
FRM-2
An IGX frame relay front card that provides an interface to the frame relay Port Concentrator Shelf
(PCS). The card is used with the FRI-2-X.21 back card which connects to the PCS.
fixed round trip time.
FRTT
The sum of the fixed and propagation delays from the source to a destination and back.
A message sent across the NNI indicating the A-bit status of all connections routed across this NNI
full status report
frame relay port.
G
A node configured to handle both T1 and E1 packet and circuit lines for direct interface international
gateway
circuits.
generic cell rate algorithm.
GCRA
GCRA is a "continuous leaky-bucket" process that monitors the cell depth in the input queue for each
PVC to determine whether to admit a new cell to the network without setting the Cell Loss Priority bit.
See GCRA.
generic cell rate
algorithm
A frame relay addressing convention that uses the DLCI to identify a specific end device somewhere
global addressing
else in the frame relay network. In a global addressing scheme, the DLCI is a unique number for each
port in the network.
Frame relay connections grouping a number of ports onto one permanent virtual circuit. Similar to
grouped
connections
bundled connections except the grouped connections do not have to be contiguous, nor do they all have
to be added simultaneously.
Release 9.3.30, Part Number 78-12907-01 Rev. E0, May 2005
Cisco BPX 8600 Series Installation and Configuration
Glossary
GL-11
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