DHCP Server, DHCP Relay and DHCP Snooping Configuration and Troubleshooting

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Bro, it is not completed and it wont work because you will either have to disable option 82 or if you want to use option 82 feature then you will have to configure your dhcp server to support option 82 by the command "ip dhcp relay information trusted" on DLS2- E 0/0.
Secondly for full security you must configure DHCP snooping on ALS1 as well.. but in this case you will have to type the command " ip dhcp snooping information option allow-untrusted" on DLS1- e0/1. Otherwise the incoming DHCP requests from ALS1 to DLS1 will be dropped by DLS1 before they can reach to the server because they contain option 82 information and as you configure dhcp snooping, by default packets that contain option 82 information are not allowed to pass through untrusted ports. Respect your effort. Keep practising.

burakkaratekeli