Layer 2 switching

Ethernet, Ethernet II, VLAN (port-based VLAN, guest VLAN), 802.3x, 802.1p, 802.1Q, 802.1X, STP (802.1D), RSTP (802.1w), MSTP (802.1s), PPP, PPPoE client, PPPoE server, and DDR

IP services

Unicast/multicast, TCP, UDP, IP option, IP unnumbered, policy-based routing, NetStream, and sFlow

IP application

Ping, Tracert, ICMP, DHCP server, DHCP relay, DHCP client, DNS client, DNS proxy, DDNS, NTP, and SNTP

IPv4 routing

Static routing

Dynamic routing: RIPv1/v2, OSPFv2, BGP, IS-IS

Route iteration

Policy routing

Equal-cost multi-path routing (ECMP)

Multicast routing: IGMPv1/v2/v3, PIM-DM, PIM-SM, MBGP, MSDP

IPv6

IPv6 ND, IPv6 PMTU, IPv6 FIB, IPv6 ACL, NAT-PT, 6PE, and DS-LITE

IPv6 tunneling: Manual tunneling, automatic tunneling, GRE tunnel, 6to4, ISATAP

Static routing

Dynamic routing: RIPng, OSPFv3, IS-ISv6, BGP4+

IPv6 multicast: MLDv1/v2, PIM-DM, PIM-SM

QoS

LR, port-based mirroring, Port Trust Mode, and port priority

Committed access rate (CAR)

FIFO, WFQ, CBQ

Generic Traffic Shaping (GTS)

Traffic classification

Security

PPPoE client & server, portal, 802.1X

Local authentication, RBAC, RADIUS, TACACS+

Basic Firewall Function, ASPF, ACL, filter, connection limit

IKE, IPsec

L2TP, NAT/NAPT, PKI, RSA, SSH v1.5/2.0, URPF, mGRE, GRE

ARP attack prevention

SSL VPN, ADVPN, GDVPN

AES, DES, 3DES,MD5, SHA1

MPLS

LDP, Static LSP

L3VPN: Inter-AS MPS VPN (Option 1/2/3), MPLS nested VPN, hierarchy of PE (HoPE), dual-homed CE, MCE, and multirole host

L2VPN: Martini, Kompella, CCC PWs and static PWs

MPLS TE, RSVP TE

High availability

VRRP, VRRPv3

Bandwidth-based load balancing and backup

IP address-based load balancing and backup

NQA collaboration with routing, VRRP or interface backup

Management and maintenance

SNMP v1/v2c/v3, MIB, SYSLOG, RMON

BiMS remote management, booting from USB drive

CLI, file system, and dual image

DHCP, FTP, HTTP, ICMP, UDP public, UDP private, TCP public, TCP private, and SNMP

Console port login, Telnet (VTY) login, SSH login, and FTP login