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Cisco Switch Clustering
Cisco Catalyst 3500 XL, 2900 XL, and Catalyst 1900
switches can be deployed in an interconnected,
switch-clustering configuration managed from a single IP
address, as shown in Figure 6. One switch is designated as
the command switch for single point of management for the
cluster. The remaining switches are designated as member
switches. Customers can use Ethernet, Fast Ethernet, Fast
EtherChannel, low-cost Cisco GigaStack GBIC, Gigabit
Ethernet, or Gigabit EtherChannel connections in this
clustering configuration. Cisco Switch Clustering gives
customers tremendous flexibility because all switches in the
cluster may be located in different physical locations and
connected with standards-based media.
Figure 6 Cisco Switch Clustering Using Catalyst 3500 XL, 2900 XL, and Catalyst 1900 Switches
Gigabit Ethernet or
Gigabit EtherChannel Technology
Catalyst 3508G XL
Command
Closet A
Catalyst 2900 XL,
Catalyst 1900
Daisy-Chain with FEC
Closet B
Catalyst 3500 XL
Daisy-Chain with
GigaStack GBICs
Closet C
Combination
Catalyst 8500, 6000,
5500, and 4000 Series
Enterprise Switches
Members
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