External Bootp Relay - Alcatel Omni Switch/Router User Manual

BOOTP/DHCP Relay

External BOOTP Relay

The relay may be configured on a router that is external to the switch. In this applica-
BOOTP
tion example the switched network has a single AutoTracker Group configured with multiple
segments. All of the network hosts are
address from the
which supports the
One requirement for routing
tionality to be able to forward
an external router, which forwards request frames from the incoming router port to the outgo-
ing router port attached to the Omni Switch/Router.
125.0.0.1
DHCP Client
125.0.0.2
DHCP Server
The external router inserts the subnet address of the first hop segment into the
frames from the
segment that the requesting client resides on. In this example, all clients attached to the Omni
Switch/Router are
each of the requests by the router's
different IP address to each of the clients. The switch does not need an IP address assigned
and all
DHCP
Page 26-6
server. The
DHCP DHCP
relay functionality.
BOOTP
frames is that the router must support
DHCP
frames. In this example,
DHCP
External
BOOTP
Relay
130.0.0.11
DHCP Clients are Members of the Same VLAN
clients. This subnet address allows the
DHCP
-ready and will have the same subnet address (130.0.0.0) inserted into
DHCP
BOOTP
clients will be members of either a default
-ready, meaning they obtain their network
DHCP
server resides behind an external network router,
BOOTP
Group 1
130.0.0.12
DHCP Client s
130.0.0.13
DHCP Client
DHCP
relay function. The
or an IP protocol
VLAN
relay func-
BOOTP
relay is supported within
Omni Switch/Router
12345678
123456
130.0.0.14
130.0.0.15
DHCP Clients
s
request
DHCP
server to locate the
server will assign a
DHCP
.
VLAN