[nflug] Cisco Switch question on cloned NIC card

[David J. Andruczyk]

What model switch and firmware is in use on it? (i.e. enterprise, std,
etc)


--- anthonyriga <torrodimerda at yahoo.com> wrote:

> Ok I,m still learning the cisco stuff how do I turn on
> the logging to do this? Thanks for the help!!!!
> 
> --- "David J. Andruczyk" <djandruczyk at yahoo.com>
> wrote:
> 
> > 
> > 
> > --- anthonyriga <torrodimerda at yahoo.com> wrote:
> > 
> > > They are setup as failover if I pull one cat5 out
> > the
> > > other still works. 
> > > 
> > 
> > Turn up logging on the switch and the port change
> > messages will tell
> > you the ports that the lines are plugged into.
> > 
> > 
> > > --- "David J. Andruczyk" <djandruczyk at yahoo.com>
> > > wrote:
> > > 
> > > > 
> > > > It sounds like they aren't configured for load
> > > > balance,  but as
> > > > failover (hence the single mac for both ports)
> > > > 
> > > > How doe you have then comfigured for sure on the
> > > > server side?
> > > > 
> > > > One way you can tell is to enable full
> > > > logging/debugging on the switch
> > > > and pull the connections out one at a time and
> > note
> > > > the log entries
> > > > generated. (it'll also give you clues if you
> > have
> > > > failover configured
> > > > correctly), beware this isn't recommended
> > practice
> > > > on production
> > > > servers unless you have a downtime window that
> > can
> > > > be made use of.
> > > > 
> > > > 
> > > > --- anthonyriga <torrodimerda at yahoo.com> wrote:
> > > > 
> > > > > Company I am working for has about 20 or so
> > > > servers
> > > > > setup with the Intel GIG NIC cards cloned for
> > > > > redundancy and network load balance. The nic
> > cards
> > > > > have 2 ports on them  but 1 mac address. I am
> > > > trying
> > > > > to figure out what ports the actual CAT5 cable
> > is
> > > > > connecting too from the server to the the GIG
> > > > switch
> > > > > without tracing everything manually becasuse
> > the
> > > > > cables are a mess.
> > > > >  I have been sucessful getting the ports on
> > the
> > > > non
> > > > > Intel cards that only have 1 port on them. I
> > have
> > > > been
> > > > > doing a show arp then using the show
> > > > mac-address-table
> > > > > | in nnnn
> > > > >  where nnnn has any character of the mac
> > address
> > > > in
> > > > > it...
> > > > >  
> > > > > It will then show you the port the mac address
> > is
> > > > > assigned to..
> > > > > The NIC cards with 2 cat5 cables going to the
> > > > switch
> > > > > only show 1 port becasue there is only 1 mac
> > > > address
> > > > > it reconizes. Any suggestions on how to show
> > the
> > > > other
> > > > > port? 
> > > > > 
> > > > >
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> > > > 
> > > > 
> > > > Dave J. Andruczyk
> > > > 
> > > >
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> > 
> > 
> > Dave J. Andruczyk
> > 
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Dave J. Andruczyk

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