>From the data connectivity, they both are the same (2948 or 3548).  You use
the Gig uplink to interconnect between the switches. Cluster technology
(3548) is only used for the management of the switches (You can define one
IP address to the whole cluster (spanning multiple switches)  in case of the
3548.  In case of 2948 , you will have to define one ip address per switch.)
As far as end of life, I have not heard anything on the 2948G.  The one that
reaches end of life is the 2900XL fixed configuration.  This one is totally
different from the 2948G.
Cheers,
TD

""Thomas""  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Yes, 3524-PWR support in-line power for IP phone; but it is the only model
> with in-line power.
>
> For 3500XL and 2900XL, they run on IOS, which is similar to that on
routers.
> They also have QoS features for VoIP, etc...  I wonder if I can implement
> these QoS features on CATOS of 2948G for VoIP?
>
> 2948G doesn't support cluster; but with the 2 Giga uplink ports, should I
be
> able to stack them together just like 3548s?
>
> Does 2948G become "End of Life" or "End of Support" soon?
>
> Thanks!
>
>
> ""td""  wrote in message
> [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > Hi,
> > I have bought them both and their is fine line between them.  The 2948G
is
> a
> > CAT based os where is the 3548XL is an IOS based.
> > This is how I use them:
> > 1.  For the closet:  I used the 3548/3524xl and cascading them together
> > 2.  For small, medium servers I used the 2948G (DMZ ...)
> > 3.  For server farm I used 6509
> >
> > Personnaly, I like the 2948G better.  The only reason the I used 3548
> > because it is cascadable and can be managed as a cluster. But it turns
out
> > it has its own complexity when you need to replace a bad one in the
chain.
> > Another thing on the 3548G is that eventhough it supports more than 200
> > vlans; this is only in the case of transparent configuration.  If you do
> > client/server, it support upto 64 VLANs then It will switch to
transparent
> > if more VLAN is defined.  The 35xx however, has a model that support
> inline
> > power for IP phone if you ever have a need for it.  I think the model is
> > 35xx-pwr
> >
> > With the new 2980G, it looks more and more attractive for the CAT based
> > system.  I 'm seriouly looking at the 2980G currently.  Note that the
2948
> > and 2980G use the chipset of the 4000 series switches.
> >
> > Hope this help.
> > Cheers,
> > TD
> >
> > ""Thomas""  wrote in message
> > [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > > Hi All,
> > >
> > > I saw an ads with Cisco CAT 2948G Layer 2 switch that has a price
almost
> > the
> > > same as the Cisco CAT 3548-EN-XL.  Based on the discription, It seems
> that
> > > the 2948G running CATOS, while 3548s running IOS.  Also, 2948G has a
> > better
> > > speed of up to 24Gbps whereas the 3548s only up to 10.8Gbps.  Assuming
> > they
> > > both are at the same price, which should I choose? I am also
considering
> > the
> > > QoS on the switch to support VoIP.  Does 2948G support the same
features
> > as
> > > 3548XL as well?  We are using many of 3548s at the HQ and like to buy
> > Cisco
> > > CAT for remote offices.  Also, Is 2948G in "End of Life" or "End of
> > > Support"?  Cisco just came out a new 2980G that is same as 2948G but
has
> > 80
> > > 10/100 ports.
> > >
> > > Thomas N.




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