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Re: ppp addresses and routing table



Adam Majer wrote:
Bernd Prager wrote:

I'm experiencing some trouble with my DSL setup.
Every time after reboot my routing table is using my ppp0 P-t-P
address instead of its inet address.

Which is the correct way of setting routes. Default should go though the
other end of the ppp connection.

$ ifconfig ppp0
ppp0      Link encap:Point-to-Point Protocol          inet
addr:168.100.249.107  P-t-P:168.100.250.1  Mask:255.255.255.255
         UP POINTOPOINT RUNNING NOARP MULTICAST  MTU:1492  Metric:1
         RX packets:278715 errors:0 dropped:0 overruns:0 frame:0
         TX packets:280248 errors:0 dropped:0 overruns:0 carrier:0
         collisions:0 txqueuelen:3
         RX bytes:155755125 (148.5 MiB)  TX bytes:67529994 (64.4 MiB)

$ route -e
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
168.100.250.1 *               255.255.255.255 UH        0 0          0
ppp0
192.168.2.0 * 255.255.255.0 U 0 0 0 eth0 192.168.1.0 * 255.255.255.0 U 0 0 0 eth1
default         168.100.250.1 0.0.0.0         UG        0 0          0
ppp0

I'm not getting any Internet connection by using the P-t-P address.
Only after I delete PPP0 and default gateway route and change them
manually to the PPP0 inet address I get the desired connection.

Weird because that is the *correct* way of doing things.


When I change the routing addresses from 168.100.250.1 to
168.100.249.107 I get:

$ route -e
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface 249-107.custome * 255.255.255.255 UH 0 0 0 ppp0 192.168.2.0 * 255.255.255.0 U 0 0 0 eth0 192.168.1.0 * 255.255.255.0 U 0 0 0 eth1 default 249-107.custome 0.0.0.0 UG 0 0 0 ppp0

And everything works fine from here.

Except this is not the correct way...

Is there something with my configuration messed up and I should get a
proper connection through the P-t-P address?
Or is there a way to tell my system it should use the external address
instead?


Are you trying to connect from this machine or some other one off on
eth0 or eth1 network?

- Adam

I am trying to connect from this machine directly and also switched temporary iptables off to avoid any confusion there.
No effects.
I was trying all weekend to make *the right* approach work. No success.
I am basically lost. Any way to tackle that problem systematically?

Help!
Thanks,
-- Bernd



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