ZyXEL GS1500-24P User Guide - Page 163
Table 54
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Chapter 24 Product Specifications Table 54 Firmware Specifications FEATURE DESCRIPTION STP (Spanning Tree Protocol) / RSTP (Rapid STP) (R)STP detects and breaks network loops and provides backup links between switches, bridges or routers. It allows a Switch to interact with other (R)STP-compliant switches in your network to ensure that only one path exists between any two stations on the network. Defence Engine Use the defence engine feature to protect the CPU from overwhelming by flooding traffic. Dynamic ARP Dynamic ARP allows you to filter incoming traffic based on the MAC to IP address mapping. The Switch can be configured to only allow trusted devices to communicate via its ports. Link Aggregation Link aggregation (trunking) is the grouping of physical ports into one logical higher-capacity link. You may want to trunk ports if for example, it is cheaper to use multiple lower-speed links than to under-utilize a high-speed, but more costly, single-port link. Port Authentication and Security For security, the Switch allows authentication using IEEE 802.1x with an external RADIUS server and port security that allows only packets with dynamically learned MAC addresses and/or configured static MAC addresses to pass through a port on the Switch. Authentication and Authorization The Switch supports authentication and authorization services via RADIUS AAA servers. Device Management Use the web configurator or commands to easily configure the rich range of features on the Switch. Syslog The Switch can generate syslog messages and send it to a syslog server. Firmware Upgrade Download new firmware (when available) from the ZyXEL web site and use the web configurator and TFTP tool to put it on the Switch. Configuration Backup & Restoration Note: Only upload firmware for your specific model! Make a copy of the Switch's configuration and put it back on the Switch later if you decide you want to revert back to an earlier configuration. GS1500-24P User's Guide 163