[c-nsp] active/standy failover

[Nick Hilliard]

On 28/01/2011 20:21, Deric Kwok wrote:
> 1/ ls it same as ASA?

yes

> 2/ How about the physical connection? using Hub or switch. eg: router
> --- hub A ----then one is active --- hub B
>
>                                     hub A  --- one is standy --------
> hub B

Yes, this configuration will work.  The connection should be a layer 2 
link. You can't use a routed link with a L3 gateway in the middle.

> 3/ I know it needs same ios and licence, Do it have special requirement?

no.

> 4/ Where is port for cross over cable between active and standy?

you need two ports, one to signal failover, and the other to transmit the 
firewall state.

Nick