Samsung Ubigate iBG3026, Configuration Manual, Page: 104 / 718

CHAPTER 9. FR and MFR
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© SAMSUNG Electronics Co., Ltd.
The following figure provides greater detail, including the use of Router A
inside the cloud as a Frame Relay switching device, and Router A, Router B
series units at the CPE sites 1 and 2.
Figure 9.2 Multilink Frame Relay with Three Site Details
FR Configuration
A Router at Site 1 provides Frame Relay switching between a HSSI interface,
connecting to the local router, and a 4 x T1 MFR bundle, connecting to the
Router. Continuity of PVC 16 is maintained through the Router, though this is
not required.
The HSSI connection between the router and the Router is defined as type
UNI. The Router serves as Frame Relay DCE and the router as the Frame
Relay DTE. Note that the Frame Relay(Layer 2) interface type is independent
of, and not necessarily the same as, the HSSI(Layer 1) interface type.
Configure the HSSI Bundle at Site 1
Router/configure# interface bundle toRouter
Router/configure/interface/bundle toRouter# link hssi 1
Router/configure/interface/bundle toRouter# description
"hssi link to router"
Router/configure/interface/bundle toRouter# encap fr
Router/configure/interface/bundle toRouter# fr
Router/configure/interface/bundle toRouter/fr# intf_type dce
Router/configure/interface/bundle toRouter/fr# lmi ansi
SITE 1
HSSI
PVC 16
Router
DS3
PVC 16
PVC 31
Router
SITE 2
Router
Frame Cloud
PVC 16
4×T1
PVC 31
2×T1
100 Base-T
Router A
Router B
SITE 3
DTE DCE
100 Base-T
DTE
NNI
NNI
DCE
iBG3026
NNI NNI
Frame
Switch