Manual for 5120 EI

Brand: HP

Category: Networking

Document Type: Manual

Language: EN

Available Languages: EN , ES

Uploaded: Nov. 21, 2025, 7:31 p.m.

Manual Publish Date: 2013-08-10

Warranty Information

Refer to the warranty statements accompanying HP products and services for warranty details.

This manual provides configuration instructions for HP 5120 EI Switch Series. It covers configuring Ethernet interfaces, including naming conventions, combo interfaces, basic settings, shutdown procedures, speed options, flow control, link change suppression, loopback testing, jumbo frame support, port groups, and energy-saving functions. It also details storm suppression, statistics polling, loopback detection, MDI mode, bridging, VLANs (port-based, MAC-based, protocol-based, IP subnet-based, isolate-user, voice), GVRP, QinQ, and LLDP. Additionally, it includes sections on MVRP, support resources, conventions, and network topology icons.

Troubleshooting and error codes

Port type	Actions	No protective action is configured	A protective action is configured
Access port		• Place the receiving interface in controlled mode. The interface drops the incoming packets and correctly sends packets. • Generate traps and log messages. • Delete all MAC address entries of the interface.	• Perform the configured protective action. • Generate traps and log messages. • Delete all MAC address entries of the interface.
Hybrid or trunk port		• Generate traps and log messages. • If loopback detection control is enabled, place the receiving interface in controlled mode. The interface does not receive or send packets. • Delete all MAC address entries of the interface.	• Generate traps and log messages. • If loopback detection control is enabled, take the configured protective action on the interface. • Delete all MAC address entries of the interface.