Troubleshooting guide

4-14
ATM and Layer 3 Switch Router Troubleshooting Guide
OL-1969-01
Chapter 4 Example Network
Example Networks
The typical core switch router configuration in Figure 4-11 shows the following connections:
• Gigabit Ethernet single-mode fiber core connection for redundancy to other buildings
• Gigabit Ethernet single-mode and multimode fiber distribution connection to ATM distribution
switch routers within the building
Figure 4-11 Typical Layer 3 and ATM Core Switch Router Configuration
The typical distribution switch router configuration in Figure 4-12 shows the following connections:
• Gigabit Ethernet UTP distribution connection between core switch routers
• Gigabit Ethernet UTP distribution connection to the Cisco Systems Catalyst 5000 switches
• Gigabit Ethernet UTP access connection to individual servers
• 155-Mbps UTP or multimode fiber access connection through SVC with a CBR connection to
CODEC for videoconferencing
Figure 4-12 Typical Layer 3 and ATM Distribution Switch Router Configuration to Floor 1
The administration building configuration in Figure 4-13 shows the following connections:
• Gigabit Ethernet UTP connections to e-mail servers
• Gigabit Ethernet UTP connections to DNS servers
Gigabit Ethernet
Marketing
building
Manufacturing
building
Administration
building
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Gigabit
Ethernet
Server farm
Videoconference
center
Gigabit Ethernet
CBR to
video
Gigabit
Ethernet
Gigabit
Ethernet
Gigabit Ethernet
49995