| Issue | Classic stack | Modern approach | |-------|---------------|------------------| | Speed | TFTP is slow (small window size) | HTTP boot (UEFI), NFS, or iSCSI | | Security | No encryption, no auth | HTTPS + iPXE (adds scripting, auth, TLS) | | Scalability | TFTP can struggle with many clients | Use proxyDHCP + HTTP or multicast |

Many managed switches use this duo to pull a "golden" configuration file upon a factory reset. 5. Troubleshooting the Connection

This specifies the exact name of the file the client needs to download (e.g., pxelinux.0 or undionly.kpxe ).