User`s guide
IP Address Allocation
5-9
8000-A2-GB21-10
June 1997
Customer IP Address Allocation
Each ISP allocates IP addresses for the components in each customer’s network
as described below. How the IP addresses are allocated is also noted.
Component
IP Address Requirement
ISP Domain Router The router that routes ISP traffic to the HotWire DSLAM
DSL cards must have one IP address in each customer
domain. The router should be multihomed on its LAN port
connection to the HotWire DSLAM.
Since 16 domains are supported per DSL card and there
can be 18 DSL cards per HotWire DSLAM, up to 288 ISP
IP addresses may be required on the router’s interface to
support a maximally configured HotWire DSLAM system.
However, if efficiently done, only a few would be needed.
DSL Card — Customer
Domain
Each DSL card can support 16 ISP domains (four for each
HotWire 5446 RTU). For each different ISP supported by
the DSL card, there must be an IP address in the same
domain for the DSL card 10BaseT interface (e1a).
Therefore, the total number of DSL card IP addresses
required is determined by the number of ISPs supported
by the HotWire 5446 RTUs.
To configure the DSL card management IP addresses,
use the HotWire DSLAM user interface. For step-by-step
instructions, see Chapter 4 of the
HotWire Digital
Subscriber Line Access Multiplexer (DSLAM) User’s
Guide
.
HotWire 5446 RTU —
Customer Domain
Each HotWire 5446 can support four ISP domains. Each
HotWire 5446 RTU with an ES in the domain of an ISP
must have one customer domain IP address in the same
subnetwork.
There could be:
Four customer domain IP addresses per HotWire
5446 RTU,
Four HotWire 5446 RTU per DSL card, and
18 DSL cards per HotWire DSLAM.
This means that a maximally-configured HotWire DSLAM
system with 72 HotWire 5446 RTUs could have
288 customer domain IP addresses.
To configure the HotWire 5446 RTU customer domain IP
addresses, use an SNMP application, such as Paradyne’s
DCE Manager. They are also configurable from a variety
of SNMP-based products.
End-User System (ES) Each end user system must have an IP address.
The IP address is statically assigned by the ISP.