ZXR10 5250-28TS-L All Gigabit Intelligent Switch 24*GE RJ45 + 4*GE SFP Forwading Rate: 42Mpps, Memory Hardware: 128M Memory + 256M Flash, Maximum active vlan 4K, 1K ACL rules, 16K MAC address, Supports QINQ, option 82, PPPOE+, VBAS, Voice VLAN/QinQ/VLAN t