[Feature request] Dhcp relay and arp bind

RouterOS General
1

Hello.
It is possible?
Like for Dhcp-Server https://wiki.mikrotik.com/wiki/DHCP_ARP_Inspection.
And lease-script for dhcp-relay will be very useful .
I need it for ip unnumbered with dhcp (cisco like)
Some interfaces (in different l2 segments ) with same ip and dhcp relays on them.
for example vlans on interface ether3 and i need dynamic assign ip from 192.168.1.0/24 for clients connected to this interfaces :
eth3.101 ip 192.168.1.1/24 and dhcp-relay to “MyDhcpServer”
eth3.102 ip 192.168.1.1/24 and dhcp-relay to “MyDhcpServer”
…
eth3.110 ip 192.168.1.1/24 and dhcp-relay to “MyDhcpServer”


if the feature “add-arp” exist for dhcp relay . This will be work

2

needed here too, I use arp=reply-only and add-arp-for-leases but when working with a DHCP relay, this records the DHCP relay MAC address instead of the client one.

3

up. It is possible?

4

up!

5

I sent this question to support earlier. They declined to implement it.

But maybe they might alter their attitude, if many enough of you will ask the same question directly to the support.

6

Not sure if I am misunderstanding, but the MAC address is not sent across a layer 3 network and DHCP relay works across layer 3.

If you want to use ARP, etc in DHCP across layer 3, then instead of using DHCP Relay, rather build a layer 2 tunnel and issue DHCP via this