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Arman,
: I have divided my network into 2 parts now that is
: 193.168.3.127/25 and 192.168.3.128/25.
According to this output, below, you have not divided your /24 into
two different networks, and it's really not clear exactly what you
are asking. Neither of these show up in your routing table:
192.168.3.0/25 (netmask 255.255.255.128)
192.168.3.128/25 (netmask 255.255.255.128)
: Destination Gateway Genmask Flags Metric Ref Use
: Iface
: 192.168.3.0 * 255.255.255.0 U 0 0 0 eth0
: 203.81.213.0 * 255.255.255.0 U 0 0 0 eth2
: 192.168.1.0 * 255.255.255.0 U 0 0 0 eth1
: 169.254.0.0 * 255.255.0.0 U 0 0 0 eth2
: default 203.81.213.1 0.0.0.0 UG 0 0 0 eth2
: I want to route part1 to ISP1 and Part 2 to ISP2.
Without further data ("ip rule show", "ip route show table $ALT") we
cannot know which interface your ISP2 is reachable through.
: I have made changes into rules. But I think my Tables T1,T2 are
: not used and default table is in use. How can I command to use
: tables T1,T2 instead of default table. route command output is
There are a number of resources you might wish to examine first. I
would recommend first understanding the RPDB lookup mechanism [0]
and then following the steps for multiple uplinks in the (venerable)
LARTC documentation [1].
You may find it fruitful to simulate the route lookup on a
packet by packet basis by learning how to use the "ip route get"
command:
# ip route get iif eth4 70.14.115.3 from XX.YY.204.58
70.14.115.3 from XX.YY.204.58 via XX.YY.204.1 dev eth8 src 192.168.4.1
cache <src-direct> mtu 1500 advmss 1460 metric10 64 iif eth4
# ip route get iif eth3 70.14.115.3 from 192.168.3.117
70.14.115.3 from 192.168.3.117 via XX.YY.204.1 dev eth7 src 192.168.3.1
cache <src-direct> mtu 1500 advmss 1460 metric10 64 iif eth3
Good luck,
- -Martin
[0] http://linux-ip.net/html/routing-selection.html
http://linux-ip.net/html/routing-selection.html#routing-selection-adv
[1] http://lartc.org/howto/lartc.rpdb.multiple-links.html
- --
Martin A. Brown
http://linux-ip.net/
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