250 points internet connection setup in RH9

this is the same question asked on

https://www.experts-exchange.com/questions/21481490/DLink-ADSL-DSL-502T-router-setup-for-RH-9.html

if someone can help me in setting up net connection then i ll reward all points for above question to the same person. following is output of ifconfig command

$ /sbin/ifconfig
eth0      Link encap:Ethernet  HWaddr 00:08:A1:6B:3C:C0
          inet addr:192.168.1.3  Bcast:192.168.1.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:3 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:100
          RX bytes:1240 (1.2 Kb)  TX bytes:684 (684.0 b)
          Interrupt:11 Base address:0x4c00
 
lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:321 errors:0 dropped:0 overruns:0 frame:0
          TX packets:321 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:21494 (20.9 Kb)  TX bytes:21494 (20.9 Kb)



thanks in advance