IPS Appliance (4500 and 4300) interface redundancy
Around interface redundancy (A.K.A. interface bonding): our design actually includes a catalyst switch and a couple of IPS appliances 4500, an etherchannel configured with 2 SPF+ cables, one to each IPS. As you might know this are 10Gbps links. This as you see has a layer of resilience by having 2 IPS etherchanneled into the Catalyst.
Now, if one cable fails or interface fails, can we configure any sort of interface bonding or semi-automatic setup with a extra link (in standby or not active) given that we might have spare 10Gbps ports on the switch AND on the IPS? Is there a best practise or something around this? I think the ASA firewalls have a command called "member-interface" which allow this type of redundancy but I think I have not seen this on the CR for the IPS OS. ( see http://yurisk.info/2010/08/23/redundant-interfaces-in-cisco-asa/)
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