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Old 10-16-2004, 07:29 AM   #1
vimes
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Registered: Oct 2004
Distribution: SuSE Enterprise Server 9
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Ip Addresses responding on wrong NICs


Hi All,

I hope someone can be of some assistance. I have a standard Suse 9.0 installation (no extras included or removed) with three Network cards. I configured them in Yast and everything went fine. The only problem now is that although I configured each card to have only one IP address, and each card has a unique IP address, one card responds to all the IP's and the other two do not respond at all.

i.e. If remove the network cable from eth1 and eth2 and ping the box with the IP addresses of eth0 or eth1 or eth2, I get a response.

If I remove the cable from eth0 and plug in eth1 and eth2 and ping the box with the IP address of eth0 or eth1 or eth2 I get no respose.

How can this be happenig? I did a standard installation and set up the network cards with Yast, that all I did. I even re-installed Suse but that did not help. Attached is a dump from ifconfig.

Any help will be greatly appreciated.

Regards,
Adrian



eth0 Link encap:Ethernet HWaddr 00:02:B3:CB8:67
inet addr:192.168.0.25 Bcast:192.168.0.255 Mask:255.255.255.0
inet6 addr: fe80::202:b3ff:fecb:d867/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:4 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:100
RX bytes:0 (0.0 b) TX bytes:288 (288.0 b)
Interrupt:11 Base address:0xdf00 Memory:feafe000-feafe038

eth1 Link encap:Ethernet HWaddr 00:07:E9:F2:CE:90
inet addr:192.168.0.222 Bcast:192.168.0.255 Mask:255.255.255.0
inet6 addr: fe80::207:e9ff:fef2:ce90/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:330 errors:0 dropped:0 overruns:0 frame:0
TX packets:4 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:100
RX bytes:64698 (63.1 Kb) TX bytes:288 (288.0 b)
Interrupt:11 Base address:0xde80 Memory:feafd000-feafd038

eth2 Link encap:Ethernet HWaddr 00:07:E9:F2:CE:92
inet addr:192.168.0.223 Bcast:192.168.0.255 Mask:255.255.255.0
inet6 addr: fe80::207:e9ff:fef2:ce92/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:4 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:100
RX bytes:0 (0.0 b) TX bytes:288 (288.0 b)
Interrupt:11 Base address:0xdd80 Memory:feafc000-feafc038

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:44 errors:0 dropped:0 overruns:0 frame:0
TX packets:44 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:2808 (2.7 Kb) TX bytes:2808 (2.7 Kb)
 
Old 10-16-2004, 07:50 AM   #2
n0xvb
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Registered: Sep 2004
Location: 127.0.0.1
Distribution: Slackware 13; openSUSE 11.2
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Adrian,

All three cards are configured for the same network, I'd guess you have a routing configuration problem.

I'm not familiar with Suse, but I'd issue these commands and try your test again:

route add -net 192.168.0.0 metric 1 eth0
route add -net 192.168.0.0 metric 2 eth1
route add -net 192.168.0.0 metric 3 eth2

This will allow you to reach the same network through each interface, the metric tells the system what is the most desirable route.

Jay
 
  


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