Interfaces functions

• Link aggregation groups: static LAG and LACP
• Equal load balancing in group
• Multi-chassis LAG
• BFD (Bidirectional Frowarding Detection) over LAG, single connec- tion failure detection (RFC 7130)
• Traffic mirroring – SPAN, RSPAN

L2 functions

• Providing Ethernet switching through the bridge domains and cross-connects
• IEEE bridging (IEEE 802.1d)
• VLAN (IEEE 802.1q)
• Q-in-Q (IEEE 802.1ad) with push/pop/swap/replace tag operations
• SpanningTree protocols (STP, RSTP, MSTP)
• LLDP

L3 protocols and functions

• Static IPv4, IPv6 Unicast Routing
• IS-IS
• OSPFv2, OSPFv3
• Border Gateway Protocol (BGP)
• BGP Route Reflector, BDP Additional Path
• Route filtering (routemap, prefix-list)
• BFD protocol for routing protocols and static routes
• IP FastReroute/Loop Free Alternate for OSPF/IS-IS
• VRRP (version 2), DHCP relay agent
• IPv4 ACL (access control lists) for transit traffic
• ECMP load balancing

Multicast management

• PIM-SM, PIM-SSM, Anycast RP
• IGMP v2/v3, SSM mapping
• MSDP
• IPv6 MLDv1, v2
• MPLS FUNCTIONS
• Multiprotocol extensions for BGP-4
• Label Distribution Protocol (LDP)
• MPLS pseudowire with PW backup functionality
  • L2VPN
  • VPWS
  • VPLS LDP signalling (draft-martini)
  • VPLS BGP signalling (draft-kompella)
• L3VPN
  • L3VPN for AFI/SAFI vpnv4 unicast and vpnv6 unicast
  • L3VPN inter-AS option A

Quality of Service (QoS)

• Ingress policing, ingress/egress shaping
• SP and DeficitWRR queuing algorithms
• Rate limiting, Storm Control
• Up to 8 queues per logical interface, up to 32K queues per physical interface

Reliability functions

• Graceful Restart for routing protocols
• Non-stop forwarding
• Active and backup firmware images
• Ability to restore the previous firmware version during update

Management and monitoring

• Command Line Interface (CLI), SSH, Telnet for remote manage- ment
• SNMPv1, v2c for monitoring the device status
• NETCONF protocol
• Statistic data export (Netflow V9)
• Configuration backup and restore (local, FTP, SFTP, TFTP)
• RADIUS, TACACS+ authentication and authorization, accounting via TACACS+
• Remote software retrofit
• System parameters and resources monitoring
• Syslog
• Time synchronization, NTP, SNTP
• Control-plane protection and rate-limiting