[LARTC] 2 ADSL links with same P-t-P address !!

Martin Villarreal martin_villarreal@hotmail.com
Thu, 06 Nov 2003 17:21:01 -0300


Hi List... I cant share 2 adsl links in a Nat Box for 30 machines, the idea 
is balancing the load of that 30 machines between 2 adsl links, I tried whit 
several how to's including the LARTC How to and nothing work.... I think 
that the P-t-P can be the problem, actually I'm using only 1 ADSL for this 
problem (ppp0)
Somebody can tell me what's wrong? or what to do step by step?

Some info...

30 Machines from 192.168.1.100 to 192.168.1.130.

           -------- eth0 (no ip) ----------------- ADSL1
          |
Linux Box ----- eth1 (no ip) ----------------- ADSL2
          |
           -------- eth2 (192.168.1.100) ----------------- To Local Lan 
(192.168.1.0/24).

Here is my actual iptables rule... any suggestion with tho ppp devices? I 
must appy 15 rules for one adsl link and 15 rules for the other adsl link?

iptables -t nat -A POSTROUTING -s 192.168.1.0/24 -d 0/0 -o ppp0 -j 
MASQUERADE

eth0      Link encap:Ethernet  HWaddr 00:04:75:C1:12:9B
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1

eth1      Link encap:Ethernet  HWaddr 00:04:75:C1:12:8A
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1

eth2      Link encap:Ethernet  HWaddr 00:04:75:C1:11:3B
          inet addr:192.168.1.100  Bcast:192.168.1.255  Mask:255.255.255.0

ppp0      Link encap:Point-to-Point Protocol
          inet addr:168.226.152.62  P-t-P:192.168.96.239  
Mask:255.255.255.255

ppp1      Link encap:Point-to-Point Protocol
          inet addr:200.63.152.109  P-t-P:192.168.96.239  
Mask:255.255.255.255

Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use 
Iface
200.32.3.0      0.0.0.0         255.255.255.0   U     0      0        0 eth0
127.0.0.0       0.0.0.0         255.0.0.0       U     0      0        0 lo
0.0.0.0         200.32.3.1      0.0.0.0         UG    1      0        0 eth0

192.168.96.239 dev ppp0  proto kernel  scope link  src 168.226.152.62
192.168.96.239 dev ppp1  proto kernel  scope link  src 200.63.152.109
192.168.1.0/24 dev eth2  proto kernel  scope link  src 192.168.1.100
127.0.0.0/8 dev lo  scope link
default via 192.168.96.239 dev ppp0


Thats alll.... Thanks List ....

Martin.... =)

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