| Performance Scale (Unidimensional) |
• MAC addresses per system: 136,000
• VLAN IDs: 4096
• Number of link aggregation groups (LAGs): 128
• Number of ports per LAG: 64 - Number of FCoE VLANs/FC virtual fabrics: 4095
• Firewall filters: - Ingress: 768 Routed ACL (RACL), VLAN ACL (VACL), and Port ACL (PACL) rules - Egress: 1024 RACL, VACL, and PACL rules
• IPv4 unicast routes: 128,000 prefixes; 104,000 host routes
• IPv4 multicast routes: 52,000
• IPv6 multicast routes: 28,000
• IPv6 unicast routes: 98,000 prefixes; 52,000 host routes
• Address Resolution Protocol (ARP) entries: 32,000
• Generic routing encapsulation (GRE) tunnels: 1024
• MPLS labels: 16,000
• MPLS IPv4 L3 VPNs (Premium Services License): 2048
• Jumbo frame: 9216 bytes
• Spanning Tree Protocol (STP) - Multiple Spanning Tree Protocol (MSTP) instances: 64 - VLAN Spanning Tree Protocol (VSTP) instances: 253
• Traffic mirroring
- Mirroring destination ports per switch: 4
- Maximum number of mirroring sessions: 4
- Mirroring destination VLANs per switch: 4 |
| Layer 2 Features |
• STP—IEEE 802.1D (802.1D-2004)
• Rapid Spanning Tree Protocol (RSTP) (IEEE 802.1w); MSTP (IEEE 802.1s)
• Bridge protocol data unit (BPDU) protect
• Loop protect
• Root protect
• RSTP and VSTP running concurrently
• VLAN—IEEE 802.1Q VLAN trunking
• Routed VLAN Interface (RVI)
• Port-based VLAN
• MAC address filtering
• QinQ
• VLAN translation
• Static MAC address assignment for interface
• Per VLAN MAC learning (limit) - MAC learning disable - Link Aggregation and Link Aggregation Control Protocol (LACP) (IEEE 802.3ad) - IEEE 802.1AB Link Layer Discovery Protocol (LLDP) |
| Link Aggregation |
• Multichassis link aggregation (MC-LAG)
• Redundant trunk group (RTG)*
• LAG load sharing algorithm—bridged or routed (unicast or multicast) traffic:
- IP: Session Initiation Protocol (SIP), Dynamic Internet Protocol (DIP), TCP/UDP source port, TCP/UDP destination port
- L2 and non-IP: MAC SA, MAC DA, Ethertype, VLAN ID, source port
- FCoE packet: Source ID (SID), destination ID (DID), originator exchange ID (OXID), source port |
| Layer 3 Features |
• Static routing
• RIP v1/v2
• OSPF v1/v2
• OSPF v3
• Filter-based forwarding
• Virtual Router Redundancy Protocol (VRRP)
• IPv6
• Virtual routers
• Unicast RPF (uRPF)
• Loop-free alternate (LFA)
• Dynamic Host Configuration Protocol (DHCP) v4/v6 relay
• VR-aware DHCP
• IPv4/IPv6 over GRE tunnels (interface-based with decap/ encap and firewall-based with decap only) |
| Multicast |
• Internet Group Management Protocol (IGMP) v1/v2
• Multicast Listener Discovery (MLD) v1/v2
• IGMP proxy, querier
• IGMP snooping
• MLD snooping
• Protocol Independent Multicast PIM-SM, PIM-SSM, PIMDM, PIM-Bidir
• Multicast Source Discovery Protocol (MSDP) |
| Security and Filters |
• Secure interface login and password
• RADIUS
• TACACS+
• Ingress and egress filters: Allow and deny, port filters, VLAN filters, and routed filters, including management port filters
• Filter actions: Logging, system logging, reject, mirror to an interface, counters, assign forwarding class, permit, drop, police, mark
• SSH v1, v2
• Static ARP support
• Storm control, port error disable, and autorecovery
• Control plane denial-of-service (DoS) protection
• DHCP snooping |
| Quality of Service (QoS) |
• L2 and L3 QoS: Classification, rewrite, queuing
• Rate limiting:
- Ingress policing: 1 rate 2 color, 2 rate 3 color
- Egress policing: Policer, policer mark down action
- Egress shaping: Per queue, per port
• 10 hardware queues per port (8 unicast and 2 multicast)
• Strict priority queuing (LLQ), shaped-deficit weighted round-robin (SDWRR), weighted random early detection (WRED)
• 802.1p remarking
• Layer 2 classification criteria: Interface, MAC address, Ethertype, 802.1p, VLAN
• Congestion avoidance capabilities: WRED
• Trust IEEE 802.1p (ingress)
• Remarking of bridged packets |
| Server Virtualization Management and SDN-Related Protocols |
• IEEE 802.1Qbg (VEPA hairpin forwarding) |
| Data Center Bridging (DCB) |
• Priority-based flow control (PFC)—IEEE 802.1Qbb
• Data Center Bridging Exchange Protocol (DCBX), DCBx FCoE, and iSCSI type, length, and value (TLVs) |
| Fibre Channel over Ethernet (FCoE) |
• FCoE transit switch (FIP snooping ACL installation)
• FCoE session path learning
• FCoE session health monitoring
• Graceful restart for FIP snooping
• FC-BB-6 VN2VN snooping |
| High Availability |
• Bidirectional Forwarding Detection (BFD)
• Uplink failure detection (UFD) |
| Visibility and Analytics |
• Switched Port Analyzer (SPAN)
• Remote SPAN (RSPAN)
• Encapsulated Remote SPAN (ERSPAN)
• sFlow v5
• Junos Telemetry Interface |
| Management and Operations |
• Contrail Networking
• Junos Space Network Director*
• Role-based CLI management and access
• CLI via console, telnet, or SSH
• Extended ping and traceroute
• Junos OS configuration rescue and rollback
• Image rollback
• SNMP v1/v2/v3
• Junos XML management protocol
• High frequency statistics collection
• Beacon LED for port and system
• Automation and orchestration
• Zero Touch Provisioning (ZTP)
• OpenStack Neutron Plug-in
• Puppet
• Chef
• Python
• Junos OS event, commit, and OP scripts |
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