Articles tagged with dhcp_relay

1. What Is DHCP Option 82? Relay Agent Information Explained

   Posted on March 12, 2024 in Networking

   DHCP Option 82 adds trusted relay-agent context to DHCP requests so network teams can apply location-aware address policies, logging, and security controls.

2. Cisco ip helper-address: Forward DHCP Without Relaying More Than You Intended

   Posted on August 24, 2007 in Networking

   Use Cisco ip helper-address deliberately: verify the default UDP broadcasts it forwards, keep DHCP working, and restrict only the protocols your topology does not need.

3. Allow DHCP Option 82 Through Cisco DHCP Relay Agents Safely

   Posted on June 18, 2007 in Networking

   Diagnose and allow trusted DHCP Option 82 requests through Cisco relay agents without using a global trust setting that weakens the relay boundary.