From: Tony Schaffran (tschaffran@cconlinelabs.com)
Date: Mon Mar 17 2003 - 13:01:35 GMT-3
I thought the 3550 can be clustered in that fashion. I could be wrong.
Tony Schaffran
Network Analyst
CCIE #11071
CCNP, CCNA, CCDA,
NNCSS, NNCDS, CNE, MCSE
www.cconlinelabs.com
"Your #1 choice for Cisco rack rentals."
----- Original Message -----
From: "Paul Lalonde" <plalonde2@cogeco.ca>
To: <ccielab@groupstudy.com>
Sent: Friday, March 14, 2003 1:05 PM
Subject: Does Cisco offer Catalyst equivalent of 3Com XRN?
> Hi all,
>
> Does anybody know if Cisco currently offers (or plans to offer) the
> equivalent functionality of 3Com's XRN switch technology?
>
> As I understand it, XRN allows a cluster of switches to be configured as a
> single switch fabric and perform layer 2 and layer 3 link resiliency and
> load balancing across disparate switches and paths.
>
> In essence, XRN allows a collection of 3Com switches to work together to
> provide a central spanning tree process and EtherChannel-like
functionality
> across distributed links (sort of like Multichassis Multilink PPP) while,
at
> the same time, offering VRRP (ie. HSRP) between disparate layer 3
switches.
>
> I like to think of it as MPLS for a switched LAN core.
>
> I know this can be done on a per-VLAN basis, but it's tedious and has to
be
> done on every single switch.
>
> Does anybody know if Cisco plans to offer something like this? In the
> meantime, I don't know of any other way to get multiple Cisco switches to
> take advantage of multiple layer 2 paths because STP runs separately
between
> them.
>
> Paul Lalonde
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