TP-Link Jetstream 48 Port Gigabit Switch | L2 Managed Switch with 4 SFP Slots | Support L2/L3/L4 QoS and IGMP | IPv6 and Static Routing (T2600G-52TS/TL-SG3452) T2600G-52TS | Fast Server Corp. www.srvfast.com
SWITCH 16 GIGABIT VLAN QOS IGMP | Synaptica Shop
Catalyst 4500 Series Switch Cisco IOS Software Configuration Guide, 12.2(31)SGA - Configuring QoS [Cisco Catalyst 4500 Series Switches] - Cisco