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* [LARTC] problem with ip route and multiple lans
@ 2005-06-11 11:04 Pawel
  2005-06-11 18:42 ` gypsy
  0 siblings, 1 reply; 2+ messages in thread
From: Pawel @ 2005-06-11 11:04 UTC (permalink / raw)
  To: lartc


Hi, I have a little problem to setup iproute in my network
It looks like this:

      ----  ----- ------
       R1     R2   R3
      ----  ----- ------
          |   |    |
          |   |    |
   -------------------------------
        ETH1    ETH2      ETH3

                ETH0      ETH4 -------------> DMZ
   ------------------------------
                 |
                 |
                 |
          --------------
          Internal Router
          --------------

    LAN1     LAN2        LAN3


I've add 3 records to rt_tables file T1, T2 and T3, and wrote scritp:

##
--------------------------------
#1ISP
P1_NET1="83.16.76.112"
ETH1="eth1"
IP1="83.16.76.114"
R1="83.16.76.113"

#2ISP
P2_NET2="80.55.42.32"
ETH2="eth2"
IP2="80.55.42.34"
R2="80.55.42.33"

#3ISP
P3_NET3!2.160.117.112
ETH3="eth3"
IP3="212.160.117.114"
R3="212.160.177.113"

#INTERNAL LAN
P0_NET="192.168.100.0"
ETH0="eth0"
IP0="192.168.100.1

#DMZ
P4_NET="10.1.1.0"
ETH4="eth4"
IP4="10.1.1.1"

ip route add $P1_NET1 dev $ETH1 src $R1 table T1
ip route add default via $IP1 table T1

ip route add $P2_NET2 dev $ETH2 src $R2 table T2
ip route add default via $IP2 table T2

ip route add $P3_NET dev $ETH3 src $R3 table T3
ip route add default via $R3 table T3

ip route add $P1_NET1 dev $ETH1 src $IP1
ip route add $P2_NET2 dev $ETH2 src $IP2
ip route add $P3_NET3 dev $ETH3 src $IP3

ip rule add from $IP1 table T1
ip rule add from $IP2 table T2
ip rule add from $IP3 table T3

ip route add default scope global nexthop via $R1 dev $ETH1 weight 1 \
        nexthop via $R2 dev $ETH2 weight 1 \
        nexthop via $R3 dev $ETH3 weight 1
---------------------------------------------

Using this script i have conection from my NAT to the all ISPs, but not to LANs.
I know that this script have a lack of routing to my LANs
but i have no idea, how build that routing using iproute.
In present configuration i use route command
/sbin/route add -net 192.168.10.0 netmask 255.255.255.0 gw 192.168.100.2 dev eth0
/sbin/route add -net 192.168.20.0 netmask 255.255.255.0 gw 192.168.100.2 dev eth0
/sbin/route add -net 192.168.30.0 netmask 255.255.255.0 gw 192.168.100.2 dev eth0
but this doesnt work with iprote command.

Thanks for any answer.




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2005-06-11 11:04 [LARTC] problem with ip route and multiple lans Pawel
2005-06-11 18:42 ` gypsy

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