Link-layer protocol
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DDR, PPP, Frame-Relay, Bridge, HDLC, SNA, PPPoE, LACP, Port isolation, VLAN, Q-in-Q, MSTP, loopback detection, Error-Disable,SPAN, LLDP
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TCP/IP Protocol
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DHCP, DHCPv6, DDNS/DNS, NAT/NAT64
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Routing protocol
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Static Route/Static Routev6, RIP/RIPng, OSPFv2/OSPFv3, BGP/BGP4+, IS-IS/IS-ISv6, IRMP, PBR
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Security
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Support ACL security filtering, SSH, CPU protection, port security, AAA, IKE, PKI, 802.1X, URPF
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VPN
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MPLS, LDP, L2VPN, L3VPN, MPLS QoS, MPLS OAM, 6PE, GRE/GREv6, IPIP, L2TP, L2TPv3, VRF
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QoS
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FIFO, PQ, FQ, CBWFQ, LLQ, CAR, H-QoS, traffic shaping, Rate Limitation
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Multicast
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IGMP, MLD, PIM-SM/SSM, PIM-DM/SDM PIMv6-SM/SSM, MSDP, MVPN
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Reliability
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Backup interface, VRRP/VRRPv3, VBRP, Track, BFD/BFDv6
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Management & Monitoring
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Keepalive gateway, NTP, Mirroring, RMON, CLI, SSH, WEB, SNMP V1/V2/V3, Telnet, PING, Trace Route,FTP, TFTP, IPFIX traffic monitoring, IP-SLA
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