Serial Port Configuration
145
Between the leased line modem and the SmartNode 2300 series device ANSI T.617 type of LMI packets
have to be exchanged. In addition the keepalive interval has to be set to 20 seconds. Long data frames
shall be fragmented into smaller pieces therefore fragmentation on Frame Relay has to be enabled.
Figure
P Context with logical IP interfaces bound to Ethernet port, serial port PVC 1 and PVC 2
The related IP, serial interface and Frame Relay configuration procedure is listed below. Where
necessary comments are added to the configuration for better understanding.
Step 1
Enter the configuration mode.
SN>
enable
SN#
configure
Step 2
The IP interface configuration is set up first. Be aware that not all of the necessary settings are listed
below.
SN(cfg)#
context ip router
SN(ctx-ip)[router]#
interface external
SN(if-ip)[external]#
interface internal
SN(if-ip)[internal]#
interface lan
SN(if-ip)[lan]#
exit
SN(ctx-ip)[router]#
interface internal
SN(if-ip)[internal]#
ipaddress 192.168.3.1 255.255.255.0
SN(if-ip)[internal]#
interface external
SN(if-ip)[external]#
ipaddress 192.168.2.1 255.255.255.0
SN(if-ip)[external]#
interface lan
SN(if-ip)[lan]#
ipaddress 192.168.1.1 255.255.255.0
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Software Configuration Guide, Revision 1.03
Summary of Contents for SmartWare R2.00
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