Configuring Multiple Isps - Motorola BSR 2000 Configuration And Management Manual

Release 1.0
3. Optionally use the cable helper-address mta command in Interface
4. The IP helper address necessary for the BSR to forward packets to the DHCP
Note: The IP helper address must be entered for the DHCP Lease Query
function to work regardless of whether the relay agent option is used.
5. Use the show ip dhcp stats command in Interface Configuration mode to display

Configuring Multiple ISPs

The DHCP-relay agent, which is the router between the cable interface and DHCP
server, monitors DHCP CPE host requests for the presence of the Vendor Class
Identifier (VCI) also known as "DHCP Relay Option 60". Vendors define a VCI to
optionally identify the DHCP client vendor type and configuration information. For
example, if a VCI identifies a DHCP client as a Multimedia Terminal Adapter (MTA)
device, the DHCP server can put all MTA devices that are on a cable interface into the
same subnet.
526360-001-00 Rev. B
Configuration mode to configure a secondary helper IP address for the
Multimedia Terminal Adapter (MTA) device to forward only UDP broadcasts:
MOT(config-if)# cable helper-address <A.B.C.D> mta
where:
A.B.C.D is the destination DHCP server IP address.
server. Use the ip helper-address command in Interface Configuration mode to
forward default UDP broadcasts including IP configuration requests to the DHCP
server:
MOT(config-if)#ip helper-address <A.B.C.D>
where:
A.B.C.D is the destination DHCP server IP address.
information about DHCP upstream and downstream port statistics:
MOT(config-if)#show ip dhcp stats
MGBI
Configuring the CMTS
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