3Com WX1200 3CRWX120695A, WXR100 3CRWXR10095A MAP sends Dhcp Discover message from the MAP’s port

198CHAPTER 10: CONFIGURING MAP ACCESS POINTS

Example MAP Boot

over Layer 3

Network

Figure 15 shows an example of the boot process for a MAP connected through a Layer 3 network.

Figure 15 MAP Booting over Layer 3 Network

WX1

System IP address

10.10.10.4

DAP 1	7
serial_id M9DE48B123400

model AP2750

bias = low

WX2

System IP address

10.10.40.4

Layer 2
	Router

Layer 2

Router

DHCP Server

DAP 1

serial_id M9DE48B123400

model AP2750

bias = low

6

3

MAP

1serial_id M9DE48B123400

model AP2750

4 8

2

Layer 2

DNS Server

3COMWX.example.com =

10.10.10.4

5

WX3

System IP address

10.10.50.4

DAP 1

serial_id M9DE48B123400

model AP2750

bias = high

1The MAP sends DHCP Discover message from the MAP’s port 1.

2The DHCP server replies with a DHCP Offer message containing an IP address for the MAP, the default router IP address for the MAP’s IP subnet, the DNS server address, and the domain name. MAP then sends a DHCP Request message to the server and receives an Ack from the server.

3The MAP sends a broadcast Find WX message to the IP subnet broadcast address.

4When the MAP is unable to locate a WX on the subnet it is connected to, the MAP then sends a DNS request for 3com.example.com and wlan.example.com.