Layer 2 Features |
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• 802.1D: Spanning Tree Protocol (STP) |
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• 802.1w: Rapid Spanning Tree Protocol (RSTP) |
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• 802.1s: Multiple Spanning Tree Protocol (MSTP) |
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• VLAN Spanning Tree Protocol (VSTP) |
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• 802.1AB Link Layer Discovery Protocol (LLDP) |
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• VLAN Registration Protocol |
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• QinQ |
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Link Aggregation |
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• 802.3ad: Link Aggregation Control Protocol (LACP) |
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• MC-LAG |
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Layer 3 Features |
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• Static routing |
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• RIP v1/v2 |
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• OSPF v1/v2 |
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• OSPF v3 |
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• Filter-based forwarding |
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Virtual Router Redundancy Protocol (VRRP) |
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• IPv6 |
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• Bidirectional Forwarding Detection (BFD) |
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• Virtual routers |
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• Unicast RPF (uRPF) |
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• Loop-free alternate (LFA) |
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• BGP (Premium Feature license or Advanced Feature |
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license) |
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• IS-IS (Premium Feature license or Advanced Feature |
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license) |
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• Dynamic Host Configuration Protocol (DHCP) v4/v6 relay |
• VR-aware DHCP |
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• IPv4 / IPv6 over GRE tunnels (interface-based) |
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Multicast |
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• Internet Group Management Protocol (IGMP) v1/v2/v3 |
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• Multicast Listener Discovery (MLD) v1/v2 |
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• IGMP Proxy, Querier |
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• IGMP snooping |
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• MLD snooping |
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• Protocol Independent Multicast PIM-SM, PIM-SSM, PIM-DM |
• Multicast Source Discovery Protocol (MSDP) |
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Firewall Filters |
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• Ingress and egress L2-L4 access control lists (ACLs) |
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port ACLs |
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VLAN ACLs |
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Router ACLs |
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• Control plane denial-of-service (DoS) protection |
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Quality of Service (QoS) |
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• Single rate three color policer |
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• Two rate three color policer |
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• Congestion prevention |
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Weighted random early detection (WRED) |
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Tail drop |
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ECN marking |
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• Priority-based scheduling |
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Low latency queuing with strict high priority |
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Weighted round-robin (WRR) queuing |
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MPLS (Advanced Feature License) |
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• LDP |
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• RSVP |
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• LDP tunneling (LDP over RSVP) |
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• Fast reroute (FRR) |
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• IPv6 tunneling (6PE) |
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• Ingress, transit, and Egress LSPs |
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Overlays (Premium Feature License or Advanced |
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Feature License) |
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• Integration with Juniper Networks Contrail* |
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• Integration with VMware NSX SDN controller* |
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• VXLAN |
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• Open vSwitch Database (OVSDB) |
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• VXLAN L2 Gateway |
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• VXLAN L3 Gateway |
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• Ethernet VPN (EVPN)-VXLAN |
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High Availability |
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• Topology-independent in-service software upgrade |
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(TISSU)* |
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• GRES |
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• BFD |
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Timing |
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• Precision Timing Protocol (PTP) |
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Transparent Clock |
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- Boundary Clock* |
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Visibility |
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• Switched Port Analyzer (SPAN) |
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• Remote SPAN (RSPAN) |
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• Encapsulated Remote SPAN (ERSPAN) |
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• Firewall filter-based port mirroring |
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• sFlow v5 |
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• Juniper Telemetry Interface (JTI)* |
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Data Center Bridging |
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• Priority-based flow control (PFC)—IEEE 802.1Qbb |
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• Enhanced Transmission Selection (ETS)—IEEE 802.1Qaz |
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• Data Center Bridging Exchange Protocol (DCBX), DCBx |
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FCoE, and iSCSI type, length, and value (TLVs) |
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Management and Operations |
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• Junos Space Network Director |
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• Junos OS CLI via console, telnet, SSH |
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• Out-of-band management: Serial; 10/100/1000BASE-T |
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Ethernet |
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• Role-based CLI management and access |
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• Junos XML management protocol |
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• ASCII configuration file |
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• SNMP v1/v2/v3 |
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• RADIUS |
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• TACACS+ |
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• Extensive MIB support |
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• Junos OS configuration rescue and rollback |
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• Image rollback |
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• OpenStack Neutron Plug-in |
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• Puppet |
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• Chef |
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• Python |
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Junos OS event, commit, and OP scripts |
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• RMON (RFC 2819): Groups 1, 2, 3, 9 |
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• Network Time Protocol (NTP) |
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• SSHv2 |
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• Secure copy |
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• DNS resolver |
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• System logging |
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• Environment monitoring |
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• Temperature sensor |
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• Configuration backup via FTP/secure copy |
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