... 802.1Q, 4096 VLAN Support QinQ and selective QinQ IP application IP Protocol(IP support both of IPv4 and IPv6) Default Routing, ... Support MSTP(802.1s) Support VRRP, LACP load balance Redundant power supply, power load balancing Support Firmware & Configure dual fault tolerance backup ... ACL Support ACL based on source/definition IP, MAC, L3 IP, TCP/UDP port number, IP PRI(DSCP,ToS, Precedence), Time ...