Alcatel Carrier Internetworking Solutions Switch/Router ユーザーズマニュアル
Application Example: DHCP Policies
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Omni Switch/Router
Client 1
DHCP Port
Rule
Client 2
DHCP Port
Rule
Client 3
DHCP Port
Rule
Client 4
DHCP Port
Rule
Client 5
DHCP Port
Rule
Server 1
10.15.14.16
Server 2
10.13.15.17
Router 2
Bootp
Relay On
Group 3
DHCP Port and
MAC Rules
MAC Rules
Router 1
No Bootp
No Bootp
Relay
Client 7
DHCP MAC
Rule
Client 6
DHCP Port
Rule
Client 8
DHCP MAC
Rule
Branch VLAN
IP
Subnet 10.13.X.X
DHCP Port/MAC Rules
Production VLAN
IP
Subnet 10.15.128.X
DHCP Port Rules
Test VLAN
IP
Subnet 10.15.X.X
DHCP Port Rules
DHCP Port Rules
DHCP
Servers
Both
DHCP
servers become
members in their respective
VLAN
s via IP subnet rules.
Router
s
Router 1 provides connectivity
between the Test
between the Test
VLAN
and
the Production
VLAN
. It does
not have Bootp functionality
enabled so it cannot connect
enabled so it cannot connect
DHCP
servers and clients from
different
VLAN
s.
Router 2 connects the Produc-
tion
tion
V L A N
and the Branch
V L A N
. W i t h B o o t p r e l a y
enabled, this router can pro-
vide connectivity between the
vide connectivity between the
DHCP
server in the Branch
VLAN
and the
DHCP
clients in
the Production
VLAN
.
DHCP
Clients
Clients 1 to 6 are assigned to
their respective
their respective
VLAN
s through
DHCP
port rules. Clients 3 and
4 are not in a
VLAN
with a
DHCP
server so they must rely
on the server in the Branch
VLAN
for initial addressing
information. Clients 7 and 8
share a port with other devic-
es, so they are assigned to the
Branch
share a port with other devic-
es, so they are assigned to the
Branch
VLAN
via
DHCP
MAC
address rules.