3com 3031 Instruccion De Instalación
260
C
HAPTER
24: F
RAME
R
ELAY
C
ONFIGURATION
[3Com-Serial1/0/0]fr interface-type dte
c If the opposite router supports inverse address resolution function, configure
dynamic address mapping.
[3Com-Serial1/0/0]fr inarp
d Otherwise configure static address mapping.
[3Com-Serial1/0/0]fr map ip 202.38.163.251 70
3 Configure Router C:
a Configure interface IP address.
[3Com]interface serial 1/0/0
[3Com-Serial1/0/0]ip address 202.38.163.253 255.255.255.0
b Configure interface encapsulation as frame relay
[3Com-Serial1/0/0]link-protocol fr
[3Com-Serial1/0/0]fr interface-type dte
c If the opposite router supports inverse address resolution function, configure
dynamic address mapping.
[3Com-Serial1/0/0]fr inarp
d Otherwise configure static address mapping.
[3Com-Serial1/0/0]fr map ip 202.38.163.251 80
Interconnecting LANs via
Dedicated Line
Networking requirement
Two 3Com routers are directly connected via a serial interface. Router A works in
the frame relay DCE mode, and Router B works in the frame relay DTE mode.
the frame relay DCE mode, and Router B works in the frame relay DTE mode.
Networking diagram
Figure 51
Interconnecting LANs via dedicated line
Configuration procedure
1 Configure Router A:
a Configure interface IP address.
[3Com]Interface serial 1/0/0
[3Com-Serial1/0/0]ip address 202.38.163.251 255.255.255.0
b Configure interface encapsulation as frame relay
[3Com-Serial1/0/0]link-protocol fr
[3Com-Serial1/0/0]fr interface-type dce
c Configure local virtual circuit.
[3Com-Serial1/0/0]fr dlci 100
IP:202.38.163.251
IP:202.38.163.252
DLCI=100
Router A
Router B