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The section did raise the same question in experiment 3, but no answer is
given.
I followed the instruction in the document yesterday to set VIP on dummy0
instead of tunl0. But the real server refused to reply the
telnet request from client.
RS$ip route get from CIP to VIP iif tunl0
gave me a error, while
RS$ip route get from CIP to VIP iif dummy0
local VIP from CIP dev lo src VIP cache <local> iif dummy0
So I guessed that since I didn't set VIP on tunl0 the real server silently
discard packets received from tul0 with VIP.
Then I added VIP on tul0, and LVS/TUN worked.
Still I have those same questions:
1. Why setting VIP at dummy0 only didn't work? (some route rule needed?)
2. What's the relation between tunl0 and dummy0?
3. Can I give multiple VIPs to tul0? I know I can do that to dummy0, but
since dummy0 didn't work ...
Thanks,
-Tao
On Wed, 7 Nov 2001, Joseph Mack wrote:
> Tao Zhao wrote:
>
> > What's the difference of dummy0 and tunl0? Why didn't it work for dummy0
> > only?
>
> http://www.linuxvirtualserver.org/Joseph.Mack/HOWTO/LVS-HOWTO-3.html#ss3.10
>
> Joe
>
> --
> Joseph Mack PhD, Senior Systems Engineer, Lockheed Martin
> contractor to the National Environmental Supercomputer Center,
> mailto:mack.joseph@xxxxxxx ph# 919-541-0007, RTP, NC, USA
>
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