Zyxel Es-3148 48x10/100 + 4xgig Uplink L3 Rackmount Switch

Product Description

Zy XEL ES-3148 is a high-density L2+ managed switch with 48 10/100 Mbps RJ-45 ports, two Gb E copper ports & two dual-personality SFP/copper Gb E interface. Coupled with the advanced ASIC hardware & switching capacity of 17 Gbps, the ES-3148 is an ideal platform to power premium triple-play applications. What makes the ES-3148 unique is its robust & highly available system design. The support of 802.3ad Link aggregation reduces network downtime by providing more packet paths & bandwidth aggregation to critical paths. In case a link is down, IEEE 802.1w RSTP allows the ES-3148 to quickly recover from failed links & send packets through a backup link. The 4G uplink not only gives superb transmission bandwidth, but also means that you can set up Gigabit aggregation. In addition, BPS is also available for feeding in extra DC back-up power to prepare for any unexpected power failure. All these great features & more in the ES-3148 give you the network performance you need with minimum downtime. In todays changing networking & business environment, one of the keys to success is in how corporations harness new applications (such as Vo IP & video conferencing) for work efficiency. To take advantage of these applications, the ability to manage traffic is extremely important to fully utilize your network bandwidth. The ES-3148 is equipped with L2+ multi-layer ACL (L2~L4) for Qo S, 8 hardware priority queues, DSCP & WFQ scheduling algorithm. These bandwidth guaranteeing & priority optimizing features maximize bandwidth usage & provide premium quality network service. Furthermore, to optimize IP Multicasting applications, IGMP snooping also get supported. For flexible bandwidth control, the ES-3148 means that you can limit bandwidth usage to the granularity of 64 Kbps. The multi-layer ACL (L2~L4) protection on the ES-3148 shield against potential network threats. You can create security settings by setting (L2 ~L4) ACL parameters (such as MAC, VLAN, IP, Protocol type, TCP/UDP port & DSCP). You can also create up to 4K VLANs to implement different security policies. For user access control, the ES-3148 supports port-based IEEE 802.1x user authentication from a centralized RADIUS server. Foe device access control, you can configure MAC freeze, MAC filtering & limit the number of MAC address learned on a port. The ES-3148 also comes with the intrusion lock feature designed to prevent unauthorized access. In addition, the ES-3148 is capable of providing enterprise-class L2 VPN with VLAN Stacking (Q in Q) to enhance security protection. Thus, the ES-3148 means that you can implement a strict layer 1 to layer 4 security protection. With a number of management methods (i Stacking? SNMP, Web, telnet & the console port), the Zy XELs exclusive i Stacking technology means that you can manage a switch cluster (of up to 24 Zy XEL switches) through a single master Zy XEL switch. This significantly reduces operation cost & provides the flexibility of maintaining multiple Zy XEL switches. In addition, network administrators can choose to manage the switch using the friendly web-based configuration or the convenient text-based CLI (Command Line Interface.). In addition, SSHv 1/v 2 & SSL gives encrypted management sessions. Thanks to these sophisticated features, network administrators can set up powerful corporate networks & streamline their management efforts.