standby ethernet interface in RHEL cluster

[aix tiger]

Guys
   
  I have finally implemented a fully functional RHEL cluster. I used HP ILO device as fencing device and all things are working fine.
   
  I need to know , however, what are the ways of having additional heartbeat mechanisms in RHEL cluster. Right now , i have my ethernet card as SPOF and it's failure are automatically promoted to node failure.
   
  I dont want to use ethernet bonding as my network admin is not confident about ethernet chaneel bonding support on his network swtich.
   
  Is it possible to configure additional ethernet card ( present on my cluster nodes ) as standby interface so that when service ethernet goes down , service ip address automatically moves to standby interface ( not through ethernet bonding )?
   
  Please advice!!
   
  Polani

       
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