... )Multilink PPP, HDLC, SLIP, ISDN (PRI/BRI), XoT, X.25-TCP, 802.1Q, MPLSNetwork LayerARP, Proxy ARP, DNS, DNS Proxy, NAT ... , ICMP, IGMP, DHCP (Server/Client/Relay), IP Multicast, PIM-DM/SMRoutingStatic, RIP, OSPF, BEIGRP, BGP-4, DDR ... (BDCOM Proprietary)QoSFIFO, PQ, CQ, CBWFQ, WFQ, RED, WRED, DSCP, IP Precedence, CARNetwork ManagementSNMP V1/2/3, RMON, PDP (compatible with ...