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Фрагмент инструкции: руководство пользователя ZYXEL XGS-4528F-FICHE-TECHNIQUE

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1x port authentication VLAN stacking (QinQ) for network-based VPN or campus VPN 802. 1x authentication ZyXEL iStackingTM technology clustering network management SNMP & RMON support IEEE 802. 1p 8 hardware priority queue WFQ, WRR and SPQ queuing algorithms Backup power system support The ZyXEL Gigabit Switch 4500 Series consists of two switches: the ZyXEL XGS-4528F and XGS-4526. These are intelligent multilayer (L2/L3/L4) Ethernet switches that provide four flexible performance choices--10/100/1000 Mbps and 10 Gbps speeds, along with enterpriseclass availability, resiliency and a redundant architecture. The 4500 Series offers complete Layer-3 features to make it the preferred choice for real routing networks in the enterprise. The ZyXEL 4500 Series has two variations: The XGS-4528F features a very unique design in its hardware configuration. With 24 Gigabit dual-personalities, 2 built-in 12G stacking interfaces and 1 open slot for the optional 10Gigabit uplink port module, the XGS-4528F provides the maximum flexibility on deployment. The XGS-4526 provides 20 1000Base-T ports, 4 Gigabit dual-personalities, and 1 open slot for the optional 10-Gigabit uplink port module, the XGS-4526 is ideal for small and medium enterprises seeking to build a high performance network. Key Benefits Managed L2 and L3 Gigabit connectivity for lower future expansion and upgrading costs The ZyXEL Switch 4500 Series provides wirespeed Layer-2 Gigabit switching of up to 144 Gbps, along with advanced Layer-3 switching, multicasting, resiliency including OSPF, DVMRP and VRRP for connectivity requirements. Its four flexible speeds--10/100/1000 Mbps and 10 Gbps performance-- also provide greater flexibility to the core networks or high-performance servers...
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