Thông Số Kỹ Thuật EX3400-48P
| 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) |
| Uplink | Fixed 4 Port 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 | |
| Switching Engine Model | Store and forward |
| 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 |
| Physical Layer | + Cable diagnostics for detecting cable breaks and shorts + Auto medium-dependent interface/medium-dependent interface crossover (MDI/MDIX) support + Port speed downshift/setting maximum advertised speed on 10/100/1000BASE-T ports + Digital optical monitoring for optical ports |
| PoE Support | Yes |
| PoE Power | 48 ports up to 30W with1440WPoE+ Power Budget 48 ports up to 15.4W with 740WPoE+ Power Budget |
| 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 |
| Access control lists (ACLs) (Junos OS firewall filters) | + Port-based ACL (PACL)—ingress and egress + VLAN-based ACL (VACL)—ingress and egress + Router-based ACL (RACL)—ingress and egress + ACL entries (ACE) in hardware per system: 1500 + ACL counter for denied packets + ACL counter for permitted packets + Ability to add/remove/change ACL entries in middle of list (ACL editing) + L2-L4 ACL + Trusted Network Connect (TNC) certified + Static MAC authentication + MAC-RADIUS + Control plane denial-of-service (DoS) protection + Firewall filter on me0 interface (control plane protection) + Captive portal—Layer 2 interfaces + Fallback authentication + Media Access Control Security (MACsec) |
| Access Security | + MAC limiting + Allowed MAC addresses, configurable per port + Dynamic ARP inspection (DAI) + Proxy ARP + Static ARP support + DHCP snooping + 802.1X port-based + 802.1X multiple supplicants + 802.1X with VLAN assignment + 802.1X with authentication bypass access (based on host MAC address) + 802.1X with VoIP VLAN support + 802.1X dynamic access control list (ACL) based on RADIUS attributes + 802.1X supported EAP types: MD5, Transport Layer Security (TLS), Tunneled Transport Layer Security (TTLS), Protected Extensible Authentication Protocol (PEAP) + IPv6 RA Guard + IPv6 Neighbor Discovery Inspection + Media Access Control security (MACsec) |
| High Availability | + Link aggregation: + 802.3ad (LACP) support + Number of link aggregation groups (LAGs) supported: 128 + Maximum number of ports per LAG: 16 + Tagged ports support in LAG + Graceful Route Engine switchover (GRES) for IGMP v1/v2/ v3 snooping + Nonstop routing (OSPF v1/v2/v3, RIP/RIPng, PIM) + Nonstop software upgrade (NSSU) |
| Quality of Service (QoS) | + Layer 2 QoS + Layer 3 QoS + Ingress policing: two-rate three-color + Hardware queues per port: 12 (8 unicast, 4 multicast) + Scheduling methods (egress): Strict Priority (SP), SDWRR + 802.1p, DiffServ code point (DSCP/IP) precedence trust and marking + L2-L4 classification criteria, including Interface, MAC address, EtherType, 802.1p, VLAN, IP address, DSCP/IP precedence, and TCP/UDP port numbers + Congestion avoidance capabilities: Tail drop |
| Multicast | + IGMP snooping entries: 1000 + IGMP snooping + IGMP v1/v2/v3 + PIM SM, PIM SSM, PIM DM + VRF-Lite support for PIM and IBMP + MLD v1/v2 snooping + IGMP filter + Multicast Source Discovery Protocol (MSDP) + PIM for IPv6 multicast |
| Services and Manageability | + Junos OS CLI + Web interface: Junos Web support + Out-of-band management: Serial, 10/100BASE-T Ethernet + ASCII configuration + Rescue configuration + Configuration rollback + Image rollback + Element management tools: Junos Space Network Management Platform + Real-time performance monitoring (RPM) + SNMP: v1, v2c, v3 + Remote monitoring (RMON) (RFC 2819) Groups 1, 2, 3, 9 + Network Time Protocol (NTP) + DHCP server + DHCP client and DHCP proxy + DHCP relay and helper + VR-aware DHCP + RADIUS authentication + TACACS+ authentication + SSHv2 + Secure copy + HTTP/HTTPs + DNS resolver + System logging + Temperature sensor + Configuration backup via FTP/secure copy + sFlow + Interface range + Port profile associations + Uplink failure detection + Zero Touch Provisioning using DHCP |
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