Central Site Remote Access Switch 311
C
ONFIGURING
A
DVANCED
IP R
OUTING
DHCP Relay Agent
E
XAMPLE
DHCP C
ONFIGURATIONS
Below we have included two of the more common DHCP scenarios. These may help you configure
your own DHCP feature.
IP Router to IP Router (with Relay Agents on both)
This configuration is useful when the “next hop” to the DHCP Server is another DHCP/BOOTP
Relay Agent.
In this configuration, the DHCP Client is able to obtain its IP address from the DHCP Server (and
any other information that the server provides), using the Relay Agents contained in both IP
CSX5500 Using routing
CSX1200 Remote Bridge
DHCP Client
DHCP Client
DHCP
DHCP Server
DHCP
B25 B27
B26 B28
WORKGROUP REMOTE ACCESS SWITCH
B29
E1 ONLY
B-CHANNELS
LAN
10BASE-T
RX
TX
SERVICE
B31
B30 L1
B21 B23
B22 B24
B17 B19
B18 B20
B13 B15
B14 B16
E1
D
T1
D
B9
B11
B10 B12
B5
B7
B6
B8
B1
B3
B2
B4
POWER
ISDN
CSX5500
IP Router w/ DHCP
Relay Agent ("Alex")
CSX150
IP Router w/ DHCP
Relay Agent ("Ruby")
DHCP Server
DHCP Client
192.168.1.5
192.168.1.168
204.157.42.168
192.168.10.168
192.168.10.1