Example: Configuring Dhcp Relay In A Bridge Domain Vlan Environment - Juniper JUNOS OS 10.4 Manual

Junos OS 12.1 MX Series 3D Universal Edge Routers Solutions Guide
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Example: Configuring DHCP Relay in a Bridge Domain VLAN Environment

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74
DHCP Relay Agent
Example: Configuring DHCP Relay in a Bridge Domain VLAN Environment on page 74
Example: Configuring DHCP Relay in a VPLS Routing Instance Environment on page 75
The following example configures DHCP relay in a VPLS environment to trust only the
MAC addresses learned on the listed interfaces.
NOTE: This is not a complete router configuration.
[edit]
routing-instances {
classic-vpls {
instance-type vpls;
interface ge-1/1/1.0;
interface ge-1/1/2.0;
interface ge-1/1/3.0;
interface ge-1/1/4.0;
interface ge-1/1/5.0;
vlan-id 20;
forwarding-options {
dhcp-relay { # Here is where DHCP is configured.
group vlan-20–bridge {
interface ge-1/1/1.0;
interface ge-1/1/2.0;
interface ge-1/1/3.0;
interface ge-1/1/4.0;
interface ge-1/1/5.0;
}
}
}
protocol vpls {
site-id 567;
# Other VPLS configuration statements...
}
}
}
Only MAC addresses learned on the five listed Gigabit Ethernet interfaces will be trusted
for DHCP relay purposes.
For more information on configuring DHCP, see the
.
Guide
DHCP Relay Agent
MX Series Router as a Layer 2 DHCP Relay Agent on page 73
Example: Configuring DHCP Relay in a VPLS Routing Instance Environment on page 75
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