LVS-DR ssh service
ct at swin.edu.au
Mon Jan 24 09:01:07 GMT 2005
>> 2. Use the stock RHEL kernel, and use arptables to control the arp problem.
>> There is an arptables package for RHEL AS and ES, and if you
>> recompile the available source it works for WS.
>> I have had some success in my lab with something along the lines of
>> the following. And it has the advantage over 1) that you don't need
>> to change the kernel.
>> arptables -F
>> arptables -A IN -d VIP -j DROP
>> arptables -A OUT -d VIP -j DROP -j mangle --mangle-ip-s RIP
> Is this really needed? What about using this sysctl variables:
> net.ipv4.conf.lo.arp_ignore = 1
> net.ipv4.conf.lo.arp_announce = 2
> net.ipv4.conf.all.arp_ignore = 1
> net.ipv4.conf.all.arp_announce = 2
The stock Red Hat Enterprise Linux 3 kernel does not include arp_ignore and
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