Layer 3 Switch; Overview; Ip Directed Broadcasts; Figure 2-3 Cisco 3750 L3 - Motorola 2.1 Networking Setup Manual

Chapter 2: Network Setup
IP Address
DHCP Pool 10.49.0.30 – 10.49.255.254

Layer 3 Switch

Overview

The standard small system reference design includes a Cisco 3750 L3 Switch which supports
20 Intelligent Access Points (IAPs). Four switch ports (ports 1-4) are also available for
network servers such as the One Point Wireless Manager™ server and RADIUS. IAPs are
connected to L3 switch (ports 5-24) via one of three methods:
•
•
•
Figure 2-3
SYST
RPS
MASTR
STAT
DUPLX
SPEED
STACK
MODE
The Cisco 3750 router provides the following services:
•
•
•

IP Directed Broadcasts

By default, the 3750 Switch drops IP directed broadcasts; thus preventing them from being
forwarded. The One Point Wireless Manager™ application utilizes SNMP broadcasts for
automatic network discovery. We have enabled IP directed broadcasts in the 3750 L3 switch
VLAN 49 (802.11 clients)
VLAN 49 Address Pool
Direct Ethernet
Connection via a wireless bridge (Motorola Canopy™ System)
Connection via a wireline media converter (e.g. Ethernet over Fiber media
converter)
Cisco 3750 L3
2
1 3
1X
2X
Routing between the wireless subnets 10.1.0.0 /16, 10.24.0.0/16, 10.49.0.0/16,
and the server network 172.31.0.0/16 (e.g. inter VLAN routing between VLANs
1, 24, 31, and 49).
DHCP relay from the wireless subnets to the DHCP server running on the One
Point Wireless server 172.31.0.20.
802.1Q VLAN tag recognition enabling the support of a trunked set of VLANs
terminating on a single physical interface
Host
4 6 8 9 10 11 12
5 7
11X 13X
12X 14X
2-9
13 14 15 16 17 18 19 20 21 22 23 24
23X
24X
Catalyst 3750 SERIES
1 2