I was assuming switch redudancy and failure only. He specified dual NIC's
with same IP address. He would need NIC teaming (COMPAQ) or the equivalent
on his platform/OS.If he needed upstream redundancy he'd need 2 routers
running HSRP, VRRP or a similiar technology. He didn't give much details so
I guess we may never know what he's trying to accomplish.

""Chuck's Long Road""  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> idle curousity ( I sure seem to be idle today :-> )
>
> what is the single point of failure against which this switch redundancy
is
> protecting?
>
> router failure? if so, if doesn't matter how many ports the router has
> connected to where. If the box goes down, the users are hosed
>
> switch failure? if so, unless the users have dual nics dual homed to
> different switches, if the switch they are connected to goes down, they
are
> hosed ( at least until the tech support people can physically move the
patch
> cables to the other switch )
>
> electrical failure? are any of these things connected to a UPS?
>
> internet access failure? got multiple ISP's and multiple paths to each?
>
> as someone once so aptly put it, the world is a single point of failure.
>
> --
> ""sam sneed""  wrote in message
> [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > You need 2 router ports, thats common sense. If you only have one router
> > port, and the siwtch that is connected to the router goes down guess
what
> > happens to your connection to the router.
> >
> >
> > ""John Chang""  wrote in message
> > [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > > How can I get 2 small switches 2500XL or 3500XL to be redundant.  The
> > > router has one 100 ethernet port?  Is it typical to use just one 100
> port
> > > or is it better to have either 2 100 or 2 1000 ethernet?
> > >
> > > Will this work or do I need 2 ethernet ports on the router?
> > >
> > > On the win2k computers I was planning on putting in 2 nics connecting
> each
> > > nic into each switch.  Can both nics have the same IP address?  Thank
> you.




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