cannot ping/telnet from linux to storage (DS300 TotalStorage).

Hello,
I connect the management port of controller B of IBM totalStorage
DS300 with a cross cable to a linux machine.
According to DS300 docs, the default IP address of controller B is
192.168.70.124/255.255.0.0.
see 4.4.1 Setup of management ports of TotalStorage DS300 and DS400
in
IBM TotalStorage - DS300 and DS400 / Best Practices Guide.
So I set the linux ip address to 192.168.70.1/255.255.0.0.

while pinging 192.168.70.124 , I power up controller B of
IBM totalStorage. I tried three times this power down and
power up; I get some answers for this ping (about 4 or 5)
and then there are no answers. Also of course there is no
telnet to 192.168.70.124.

Could it be that someone had changed the IP ?
an in case it is so - how can I see the real IP address ?

Regards,
Ian

.

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