Multiple Interfaces Issue
marco at muw.edu
Tue Dec 31 11:20:00 CST 2002
I do have all the errata updates installed. The systems is up-to-date.
If the problem is with the Redhat network control scripts, what is the remedy?
As far as the suggestion to do:
ifconfig eth0 10.10.10.5
ifconfig eth1 10.10.10.6
route add default gw 10.10.10.1
I tried it and no luck ...
>Is it possible that you have the reverse path filter (used to protect
>against spoofing) switched on? This might cause "weird" behaviour on
>multihomed crossing networks.
I am not sure how to turn that on/off ... I did not do anything special when I
installed this system. I followed the Server Assistant CD instructions.
Installed WebCT software on it and that's all. Since the initial install, I
have been keeping the system up-to-date using up2date tool. Ofcourse, I am not
sure if the interfaces issue was there since the initial install. The server
has been running on one interface for almost 4 months now. There is a need now
to add an additional task to this server which requires a new IP address and
this how it all started.
By the way, out of desperation I installed Redhat 7.3 to a spare PC, which has
2 3Com905B NICs. I used the same Redhat Linux media shipped with my PowerEdge
server. To my surprise, the same issue exists. I numbered one NIC 192.168.0.1
and the other 192.168.0.5. Only 192.168.0.1 is pingable from the outside, which
This is really bizzar ...
_/ _/ _/ _/ _/ _/ | Marco Obaid
_/_/ _/_/ _/ _/ _/ _/ | Network Administrator
_/ _/ _/ _/ _/ _/ _/ _/ | McDevitt Hall
_/ _/ _/ _/ _/_/ _/_/ | W-Box 1621
_/ _/ _/_/_/ _/ _/ | Columbus MS 39701
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