| Aruba JL558A |
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| I/O ports and slots |
48 RJ-45 autosensing 10/100/1000 PoE+ ports (IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T, IEEE 802.3at PoE+); Duplex: 10BASE-T/100BASE-TX: half or full; 1000BASE-T: full only 4 SFP+ 1/10GbE ports; PHY-less |
| Additional ports and slots |
1 dual-personality (RJ-45 or USB micro-B) serial console port |
| Physical characteristics |
Dimensions: 17.42 (w) x 12.77 (d) x 1.73 (h) in, (44.25 x 32.42 x 4.39 cm), (1U height) |
| Weight: 10.56 lb (4.79 kg) |
| Memory and processor |
Dual Core ARM Coretex A9 @ 1016 MHz, 1 GB DDR3 SDRAM; Packet buffer size: 12.38 MB 4.5MB Ingress/7.785 Egress,4 GB eMMC |
| Mounting and enclosure |
Mounts in an EIA-standard 19-inch telco rack or equipment cabinet (rack-mounting kit available); Horizontal surface mounting; Wall mounting |
| Performance |
1000 Mb Latency < 3.8 µs (64-byte packets) |
| 10Gbps latency < 1.6 µs (64-byte packets) |
| Throughut up to 112.0 Mpps |
| Switching capacity: 176 Gbps |
| Routing table size: 2,000 IPv4, 1,000 IPv6 in hardware, 200 OSPF, 256 Static, 10,000 RIP |
| MAC address table size: 32768 entries |
| Environment |
Operating temperature: 32°F to 113°F (0°C to 45°C) |
| Operating relative humidity: 5% to 95%, noncondensing |
| Nonoperating/Storage temperature:-40°F to 158°F (-40°C to 70°C) |
| Nonoperating/Storage relative humidity:15% to 95% @ 149°F (65°C), noncondensing |
| Altitude: up to 10,000 ft (3 km) |
| Acoustic: Power: 55.1 dB, Pressure: 41.1 dB |
| Electrical characteristics |
Frequency: 50/60 Hz |
| Maximum heat dissipation: 420.9 BTU/hr (444.1 kJ/hr) |
| Voltage: 100 - 240 VAC, rated |
| Maximum power rating: 980W |
| Current: 9.2 / 4.9 A |
| Idle power: 49.9W |
| PoE power: 740 W PoE+ |
| Notes: Maximum power rating and maximum heat dissipation are the worst-case theoretical : maximum numbers provided for planning the infrastructure with fully loaded PoE (if equipped), 100% traffic, all ports plugged in, and all modules populated |
| Safety |
UL 69050-1: 2nd Edition; EN 60950-1:2006 +A11:2009 +A1:2010 +A12:2011+A2:2013; IEC 60950-1:2005 +A1:2009 +A2:2013; CSA 22.2 No. 60950-1-07 2nd; EN 60825-1:2014 / IEC 60825-1:2014 Class 1 |
| Emissions |
EN 55032:2012/CISPR 32 Class A; FCC CFR 47 Part 15 Class A; VCCI Class A; ICES-003 Class A; CNS 13438 |
| Management |
Aruba AirWave Network Management; IMC - Intelligent Management Center; Command-line interface; Web browser; Configuration menu; SNMP manager; Telnet; RMON1; FTP; Out-of-band management (serial RS-232C or micro USB) |
| Các tính năng hỗ trợ trên switch Aruba JL253A |
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| Unified Wired and Wireless |
Dynamic segmentation |
| Supports unified wired and wireless policies |
| Switch auto-configuration |
| User role |
| Static IP Visibility |
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| Software-defined networks |
REST APIs and OpenFlow |
| Quality of Service (QoS) |
Traffic prioritization (IEEE 802.1p) |
| Layer 4 prioritization |
| Class of Service (CoS) |
| Rate limiting |
| Large buffers |
| Unknown Unicast Rate Limiting |
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| Connectivity |
Flexible 10 Gb/s Ethernet connectivity |
| Auto-MDIX |
| IPv6 |
| IPv6 host |
| Dual stack (IPv4 and IPv6). |
| MLD snooping |
| IPv6 ACL/QoS |
| IPv6 routing |
| Security |
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| Performance and efficiency |
Energy-efficient design delivers power savings |
| 80 PLUS Silver Certified power supply |
| Energy-efficient Ethernet (EEE) support |
| Designed with the latest Aruba ProVision ASIC |
| Selectable queue configurations |
| Stacking topology |
| Virtual Switching Framework (VSF) front plane stacking creates one virtual resilient switch from up to eight* switches |
| Ring topology supports up to an 8-member stack |
| Virtualized switching provides simplified management as the switches act as a single chassis when stacked |
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| Convergence |
IP multicast snooping and IGMP |
| IEEE 802.1AB Link Layer Discovery Protocol (LLDP) |
| LLDP-MED (Media Endpoint Discovery) |
| IP multicast routing |
| Local MAC Authentication |
| Protocol Independent Multicast for IPv6 |
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| Resiliency and high availability |
IEEE 802.1s Multiple Spanning Tree |
| IEEE 802.3ad link-aggregation-control protocol (LACP) and port trunking |
| Virtual Router Redundancy Protocol (VRRP) |
| SmartLink |
| SNMPv1, v2, and v3 |
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| Simplified configuration and management |
SNMPv1, v2, and v3 |
| Zero-Touch ProVisioning (ZTP) |
| Flexible management with same hardware |
| Aruba Central support |
| Built-in programmable and easy to use REST API interface |
| Out-of-band Ethernet management port |
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| Manageability |
Dual flash images |
| Friendly port names |
| Find-Fix-Inform |
| Multiple configuration files |
| Software updates |
| RMON, XRMON, and sFlow |
| Troubleshooting |
| Uni-Directional Link Detection (UDLD) |
| IP SLA for voice |
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| Layer 2 switching |
Jumbo packet support |
| IEEE 802.1v protocol VLANs |
| Rapid Per-VLAN Spanning Tree (RPVST+) |
| GVRP and MVRP |
| VLAN support and tagging |
| VxLAN |
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| Layer 3 |
DHCP server |
| Static IP routing |
| 256 static and 10,000 RIP route |
| Routing Information Protocol (RIP) |
| Access OSPF |
| Policy-based routing |
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| Security |
Control Plane Policing set rate limit on control protocols to protect CPU overload from DOS attacks |
| Multiple user authentication methods |
| IEEE 802.1X |
| Web-based authentication |
| Supports MAC-based authentication |
| Authentication flexibility |
| Multiple IEEE 802.1X users per port |
| Concurrent IEEE 802.1X, Web, and MAC authentication schemes per port |
| Access control lists (ACLs) |
| Source-port filtering |
| RADIUS/TACACS+ |
| Secure shell |
| Secure Sockets Layer (SSL) |
| Port security |
| MAC address lockout |
| Secure FTP |
| Switch management logon security |
| STP BPDU port protection |
| DHCP protection |
| Dynamic ARP protection |
| Dynamic IP lockdown |
| STP Root Guard |
| Identity-driven ACL |
| Per-port broadcast throttling |
| Private VLAN |
| Open authentication role |
| Critical authentication role |
| MAC pinning |
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| Monitor and diagnostics |
Digital optical monitoring of SFP+ and 1000BASE-T transceivers |
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