Figure 22-5 Frame Relay To Atm Nw Interworking Detail - Cisco BPX 8620 Installation And Configuration Manual

Chapter 22 Configuring Frame Relay to ATM Network and Service Interworking

Figure 22-5 Frame Relay to ATM NW Interworking Detail

Q.922
Physical
Upper
layers
Q.922
Physical
FR CPE
One IGX must be a shelf for an
interworking connection when the
frame relay connection endpoints
both terminate on a IGX, otherwise,
the connection will be a simple gateway
connection.
Q.922
Physical
Upper
layers
Q.922
Physical
FR CPE
Release 9.3.30, Part Number 78-12907-01 Rev. E0, May 2005
IGX
BUS
FRM UXM
FR-SSCS
Frame Frame
Relay Relay
CPCS
AAL-5 SAR
Fast Fast
Packet Packet
ATM
Physical Physical Physical
Fr Rly
Narrowband NW
Part A. Network interworking, Frame Relay CPEs connected across an ATM network
IGX
BUS
FRM UXM
FR-SSCS
Frame Frame
Relay Relay
AAL-5 SAR
Fast Fast
Packet Packet
Physical Physical Physical
Fr Rly
Narrowband NW
Part B. Network interworking, Frame Relay CPE connected to B-ISDN CPE across an ATM network
BPX
BXM BXM
ATM ATM
Physical Physical
ATM T3/E3 ATM T3/E3
feeder trunk
ATM T3/E3
feeder trunk
ATM
T3/E3/
OC3
feeder
trunk
ATM NW
BPX
BXM BXM
CPCS
ATM
ATM ATM
Physical Physical
ATM T3/E3 ATM T3/E3
ATM NW
Cisco BPX 8600 Series Installation and Configuration
Networking Interworking
IGX shelf
BUS
UXM
FR-SSCS
Frame Frame
Relay Relay
CPCS
AAL-5 SAR
Fast Fast
Packet Packet
ATM
Physical Physical Physical
Physical
Fr Rly
FrRly
IGX shelf
AXIS shelf
FRSM
BNM
FR-SSCS
CPCS
Q.922
SAR
ATM
ATM
Physical Physical
Physical
Narrowband NW
B - CPE
Upper
layers
FR-SSCS
CPCS
SAR
ATM
Physical
FRM
Q.922
Upper
layers
Q.922
Physical
FR CPE
FR CPE
Upper
layers
Q.922
Physical
Fr Rly
22-5