| Physical Specifications |
| Dimensions (W x H x D) |
17.4 x 1.72 x 13.8 in (44.2 x 4.4 x 35 cm) |
| Backplane |
160 Gbps (with QSFP+ ports) or 80 Gbps (with SFP+ ports) Virtual Chassis interconnect to link up to 10 switches as a single logical device |
| Uplink |
Fixed 4-port uplinks can be individually configured as GbE (SFP) or 10GbE (SFP+) ports; 2 x 40G QSFP+ ports |
| Environmental Ranges |
+ Operating temperature: 32° to 113° F (0° to 45° C)
+ Storage temperature: -40° to 158° F (-40° to 70° C)
+ Operating altitude: up to 10,000 ft (3048 m)
+ Nonoperating altitude: up to 16,000 ft (4877 m)
+ Relative humidity operating: 10% to 85% (noncondensing)
+ Relative humidity nonoperating: 0% to 95% (noncondensing) |
| Hardware Specifications |
| DRAM |
2 GB with ECC |
| Flash |
2 GB |
| CPU |
Dual Core 1 GHz |
| GbE port density per system |
48host ports + four 1/10 GbE and two 40GbE uplink ports |
| Packet-Switching Capacities (Maximum with 64-Byte Packets) |
336 Gbps |
| Software Specifications |
| Layer 2/Layer 3 Throughput (Mpps) (Maximum with 64 Byte Packets) |
250 Mpps |
| Layer 2 Features |
+ Maximum MAC addresses per system: 32,000
+ Jumbo frames: 9216 bytes
+ Number of VLANs supported: 4,096
+ Range of possible VLAN IDs: 1-4094
+ Port-based VLAN
+ MAC-based VLAN
+ Voice VLAN
+ Layer 2 Tunneling Protocol (L2TP)
+ Compatible with Per-VLAN Spanning Tree Plus (PVST+)
+ RVI (routed VLAN interface)
+ Persistent MAC (sticky MAC)
+ RSTP and VSTP running concurrently
+ IEEE 802.1AB: Link Layer Discovery Protocol (LLDP)
+ LLDP-MED with VoIP integration
+ IEEE 802.1ae Media Access Control Security (MACsec)
+ IEEE 802.1ak Multiple VLAN Registration Protocol (MVRP)
+ IEEE 802.1br: Bridge Port Extension
+ IEEE 802.1D: Spanning Tree Protocol
+ IEEE 802.1p: CoS prioritization
+ IEEE 802.1Q-in-Q: VLAN stacking
+ IEEE 802.1Q: VLAN tagging
+ IEEE 802.1s: Multiple Spanning Tree Protocol (MSTP)
+ Number of MST instances supported: 64
+ Number of VSTP instances supported: 510
+ IEEE 802.1w: Rapid Spanning Tree Protocol (RSTP)
+ IEEE 802.1X: Port access control
+ IEEE 802.3: 10BASE-T
+ IEEE 802.3ab: 1000BASE-T
+ IEEE 802.3ad: Link Aggregation Control Protocol (LACP)
+ IEEE 802.1ad Q-in-Q tunneling
+ IEEE 802.3ae: 10-Gigabit Ethernet
+ IEEE 802.3u: 100BASE-T
+ IEEE 802.3z: 1000BASE-X
+ IEEE 802.3x: Pause Frames/Flow Control
+ Layer 3 VLAN-tagged subinterface
+ PVLAN support
+ Multicast VLAN routing
+ Adding/removing single tag
+ Filter-based SVLAN tagging
+ Flexible CoS (outer .1P marking)
|
| Layer 3 Features: IPv4 |
+ Maximum number of ARP entries: 16,000
+ Maximum number of IPv4 unicast routes in hardware: 14,000 prefixes; 36,000 host routes
+ Maximum number of IPv4 multicast routes in hardware: 18,000 groups; 4,000 multicast routes
+ Routing Protocols: RIP v1/v2, OSPF v2
+ Static routing
+ Layer 3 redundancy: VRRP
+ IP directed broadcast—traffic forwarding
+ Virtual router (VRF-Lite) supporting RIP, OSPF
+ Routing policy
+ Filter-based forwarding (FBF)
+ Unicast reverse-path forwarding |
| Layer 3 Features: IPv6 |
+ Maximum number of Neighbor Discovery entries: 8,000
+ Maximum number of IPv6 unicast routes in hardware: 3,500 prefixes; 18,000 host routes
+ Maximum number of IPv6 multicast routes in hardware: 9,000 groups; 2,000 multicast routes
+ Neighbor discovery, system logging, Telnet, SSH, Junos Web, SNMP, Network Time Protocol (NTP), Domain Name System (DNS)
+ Routing protocols: RIPng, OSPF v3
+ Static routing
+ IPv6 ACL (PACL, VACL, RACL)
+ IPv6 CoS (BA, MF classification and rewrite, scheduling based on TC)
+ MLDv1/v2 snooping
+ IPv6 ping, traceroute
+ IPv6 stateless auto-configuration
+ IPv6 Layer 3 forwarding in hardware
+ IPv6 Layer 3 redundancy: VRRP v6
+ Virtual Router support for IPv6 unicast
+ PIM for IPv6 multicast |
Switch
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