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2. Dial-up ISP Internet Connection

Follow these steps to connect to your ISP via dial-up modem:

After doing the above steps, you would have connected to internet. To test do:
bash$ ping
PING from : 56(84) bytes of data.
64 bytes from ( icmp_seq=0 ttl=58 time=236.931 msec
64 bytes from ( icmp_seq=1 ttl=58 time=229.074 msec

bash$ ping

bash$ su - root
# ifconfig
lo        Link encap:Local Loopback
          inet addr:  Mask:
ppp0      Link encap:Point-to-Point Protocol
          inet addr:  P-t-P:  Mask:

# netstat -nr
Kernel IP routing table
Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface UH       40 0          0 ppp0       U        40 0          0 lo         UG       40 0          0 ppp0

You will see the listing like above. If you are not able to do 'ping' or 'ping' then there is some trouble. See the next section 'Troubleshooting'

2.1 Troubleshooting ISP Connection

If you are getting the connection and getting the local IP address and Remote IP address from KPPP dialer but you are not able to do ping on a remote host like 'ping' then do:

bash$ su - root
# ifconfig

See the listing above and temporarily disable other interfaces like eth0, eth1
# ifconfig eth0 down
# ifconfig eth1 down
# ifconfig eth2 down

# ifconfig
This should list only ppp0 and lo

Once other interfaces like eth0, eth1, eth2 are disabled, now disconnect and reconnect with KPPP dialer. After the connection to internet is successful, you can re-enable other interfaces as below:
bash$ ping
If connection is okay, then do:
bash$ su - root
# ifconfig eth0 up
# ifconfig eth1 up
# ifconfig eth2 up
# ifconfig

If you still have problems then refer to the KPPP user guides and FAQs as below:

$ rpm -ql kdenetwork-ppp
$ cd /usr/share/doc/HTML/en/kppp
$ docbook2html kppp-faq.docbook 1> kppp-faq.html
$ docbook2html index.docbook 1> index.html

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