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I am currently using Cisco Packet Tracer to simulate a network.

Currently I've got this setup: PT DHCP Agent

For some reason I'm not able to get the DHCP server to return an answer to PC1 even though it successfully gets the request.

Here are my configurations:

R-1

interface GigabitEthernet0/0
    ip address 10.0.0.1 255.255.255.0
    ip helper-address 10.0.0.2

interface GigabitEthernet0/1
    ip address 10.0.1.1 255.255.255.252
    ip helper-address 10.0.0.2

ip route 10.0.2.0 255.255.255.0 10.0.1.2

R-2

interface GigabitEthernet0/0
    ip address 10.0.1.2 255.255.255.252
    ip helper-address 10.0.0.2

interface GigabitEthernet0/1
    ip address 10.0.2.1 255.255.255.0
    ip helper-address 10.0.0.2

ip route 10.0.0.0 255.255.255.0 10.0.1.1

Hopefully the below will help to explain the configuration a bit better:

10.0.0.1=(G0/0) R-1 (G0/1)=10.0.1.1

10.0.1.2=(G0/0) R-2 (G0/1)=10.0.2.1

MMM
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Tristan Andersen
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  • What is the default gateway on the DHCP server? How are the dhcp scopes defined on the DHCP server? – Tonny Dec 06 '19 at 10:46
  • That's actually a good point, probably should've stated that heh, the default gateway is 10.0.2.1, start IP 10.0.2.2 with the subnet mask of 255.255.255.0 – Tristan Andersen Dec 06 '19 at 10:49
  • Those are the parameters for the scope I presume. And what is the default gateway on the DHCP server itself ? Can the DHCP server PING to R1 and R2? Is routing actually enabled on BOTH routers? Just having 2 interfaces/subnets on a router isn't enough. You still need to enable routing and both routers should preferably use the same routing protocol so they can exchange routes. Otherwise R1 has no idea 10.0.2.0/24 is reachable via R2. – Tonny Dec 06 '19 at 21:24

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