this is a working DHCP config on EX9200s — make sure you include the
forward-snooped-clients all-interfaces statement, or any transit DHCP packet
that traverses an interface without DHCP relay configured will be eaten by the
EX9200 — its the most asinine thing in the world to have (a carryover from MX
some sort of DHCP security i’m sure), but its completely undocumented it does
this from what i’ve seen.
dhcp-relay {
forward-snooped-clients all-interfaces;
server-group {
CAMPUS {
192.168.168.168;
}
}
active-server-group CAMPUS;
route-suppression {
destination;
}
group LOCAL-NETS {
interface ge-5/0/0.304;
interface irb.9;
}
}
}
the route-suppression destination statement also prevents it from installing
access-internal host routes and permanent ARP entries for every DHCP lease.
will
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