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Catalyst 2900 Series XL and Catalyst 3500 SeriesXL Software Configuration Guide
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Chapter 1 Overview
Network Configuration Examples
–
1000BASE-LX/LH GBIC: fiber connections of up to 32,808 feet (6 miles or 10 km)
–
1000BASE-ZX GBIC: fiber connections of up to 328,084 feet (62 miles or 100 km)
• Redundant Gigabit backbone—Using HSRP, you can create backup paths between
Catalyst 4908G-L3 switches. To enhance network reliability and load balancing for different
VLANs and subnets, you can connect the Catalyst 2900 XL and Catalyst 3500 XL switches, again
in a star configuration, to two backbone switches. If one of the backbone switches fails, the second
backbone switch preserves connectivity between the switches and network resources.
Figure 1-1 Example Configurations
Catalyst 2900 XL
and Catalyst 3500 XL
GigaStack cluster
1-Gbps HSRP
54568
Catalyst 3548 XL switch
Cost-Effective
Wiring Closet
High-Performance
Workgroup
Redundant Gigabit
Backbone
Catalyst 3508 XL or 4908G-L3 switch
Catalyst 2900 XL and
Catalyst 3500 XL cluster
Catalyst 4908G-L3 switchCatalyst 4908G-L3 switch
Catalyst 2900 XL and
Catalyst 3500 XL cluster
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