dynamically change VLANs or close user sessions. Version 6.2 major features The enterprise device manager has replaced the Java-based device manager as well as web-based management. The automatic QoS engine has been enhanced, including the ability to run it, ADAC, and 802.1AB MED simultaneously. Dual syslog server support now allows syslog messages to be simultaneously recorded onto two servers at once, in case one becomes unavailable. New energy-saving implementations can reduce energy use by 40% through decreasing energy usage during non-peak hours. Multicast groups can now be scaled to three different levels. See also Power over Ethernet References Further reading External links ERS 5500 ERS 5500 Hardware routers