[LARTC] Multi Routing Problem

From: Arindam Haldar <arindamhaldar@inbox.lv>
To: lartc@vger.kernel.org
Subject: [LARTC] Multi Routing Problem
Date: Sun, 18 Aug 2002 16:26:40 +0000	[thread overview]
Message-ID: <marc-lartc-102985102602928@msgid-missing> (raw)

hi all,
i am trying to do some advance routing for our clients on a multi route 
platform !.. at present am trying on a test bed.. i followed the example 
& applied julian's patch to kernel 2.4.19 & have gone thru the docs at 
the site... i have defined basically 3 groups for clients--> cache, 
cisco, balance.. the name specifies the importance.. this is the details 
of what i did-->
[root@Lr1 root]# ip rule ls
0:      from all lookup local
10:     from EXTnA.124/25 lookup ONE
20:     from EXTnB.106/26 lookup TWO
100:    from 192.168.1.10 lookup CACHE
101:    from 192.168.1.20 lookup CISCO
150:    from 192.168.1.30 lookup BALANCE
200:    from all lookup ME
32766:  from all lookup main
32767:  from all lookup 253

[root@Lr1 root]# ip route ls ta ONE
default via EXtnA.1 dev eth1  src EXTnA.124
prohibit default  proto static  metric 1

[root@Lr1 root]# ip route ls ta TWO
default via EXTnB.70 dev eth0  src EXTnB.106
prohibit default  proto static  metric 1

[root@Lr1 root]# ip route ls ta CACHE
default via EXTnA.1 dev eth1
prohibit default  proto static  metric 1

[root@Lr1 root]# ip route ls ta CISCO
default via EXTnB.70 dev eth0
prohibit default  proto static  metric 1

[root@Lr1 root]# ip route ls ta BALANCE
default
         nexthop via EXTnB.70  dev eth0 weight 1
         nexthop via EXTnA.1  dev eth1 weight 1
prohibit default  proto static  metric 1

[root@Lr1 root]# ip route ls ta ME
default
         nexthop via EXTnA.1  dev eth1 weight 1
         nexthop via EXTnB.70  dev eth0 weight 1
prohibit default  proto static  metric 1
[root@Lr1 root]# ip addr ls
1: lo: <LOOPBACK,UP> mtu 16436 qdisc noqueue
     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
     inet 127.0.0.1/8 brd 127.255.255.255 scope host lo
2: eth0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast qlen 100
     link/ether 00:50:bf:4b:f7:84 brd ff:ff:ff:ff:ff:ff
     inet EXTnB.106/26 brd EXTnB.127 scope global eth0
3: eth1: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast qlen 100
     link/ether 00:80:c8:b9:69:99 brd ff:ff:ff:ff:ff:ff
     inet EXTnA.124/25 brd EXTnA.127 scope global eth1
4: eth2: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast qlen 100
     link/ether 00:80:c8:b9:69:9a brd ff:ff:ff:ff:ff:ff
     inet 192.168.0.1/16 brd 192.168.255.255 scope global eth2
[root@Lr1 root]# ip route ls
203.163.146.64/26 dev eth0  scope link
203.163.149.0/25 dev eth1  scope link
192.168.0.0/16 dev eth2  proto kernel  scope link  src 192.168.0.1
127.0.0.0/8 dev lo  scope link

here ONE & TWO are the two external links.. ME is used for local server 
DNS deamon.. the other three viz CACHE CISCO BALANCE are the routes the 
clients ip's must follow.. i have enabled ip_forward .. & iptables rules 
are also specified correct .. i.e according to the ip..
BUT am **NOT** able to surf at all from internal network... not even 
able to ping eth2 !!!.. default INPUT & OUTPUT are set to ACCEPT while 
FORWARD is DROP..
whats missing there ?.. after trying all day i want guidance now...
awaiting a reply very anxiously....
A.H

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