Dgs-1100-08 Firmware -

| Feature | Implementation | Verdict | |--------|----------------|---------| | | Up to 32 static VLANs; Port-based or Tagged. | ✅ Excellent – True isolation for VoIP or guest networks. | | QoS (802.1p) | 4 hardware queues; Strict or Weighted Round Robin. | ✅ Good – Simple but effective for prioritizing VoIP traffic. | | IGMP Snooping | Standard v1/v2/v3 snooping. | ✅ Critical for IPTV/multicast stability. | | Loopback Detection | Automatically blocks ports causing network loops. | ✅ Lifesaver – Prevents broadcast storms from rogue cables. | | Port Mirroring | One-to-one monitoring. | ✅ Basic but functional. | | Cable Diagnostics | TDR-based cable testing. | ⚠️ Hit-or-miss – Works for open/shorts but not precise length. | | DoS Attack Prevention | Blocks common Layer 2 attacks (e.g., Land, Blat). | ✅ Good for edge security. |

The firmware does not impede wire-speed forwarding. The switch handles 8 ports of 1 Gbps full-duplex with no measurable latency added by VLAN or QoS rules. dgs-1100-08 firmware