| รุ่น / SKU | R8M28A |
|---|
| พอร์ต Gigabit (RJ45) | 24 RJ-45 autosensing 10/100/1000 BASE-T PoE+ ports (10BASE-T/100BASE-TX, 1000BASE-T full only; ports 17-24 MACsec) |
|---|
| พอร์ต SFP+ | 4 SFP+ 10GbE ports |
|---|
| โมดูลอัปลิงก์ (Uplink) | - 1 port expansion module slot — optional modules: 2-port 40G QSFP+
- 8-port SFP+
- 4-port 1/10G SFP+
- 8-port 1/2.5/5/10GBASE-T
- 2-port SFP28
- 2-port 10GBASE-T MACsec
- 2-port 10GbE SFP+ MACsec
- 4-port 1G RJ-45 + 6-port SFP
|
|---|
| พอร์ต Console | - 1 dual-personality (RJ-45 or mini USB) serial console port
- USB: 1 USB 2.0
- Management: 1 RJ-45 out-of-band management port
|
|---|
| หน่วยความจำ (RAM) | - 2 GB SDRAM
- 512 MB flash
- dual flash images
- Packet buffer size: 4 MB
|
|---|
| Switching Capacity | 288 Gbps (Routing/Switching capacity) |
|---|
| Forwarding Rate | - up to 180 Mpps (Throughput)
- Latency 1000 Mb: < 5 μs
- 10 Gbps: < 3 μs
|
|---|
| Stacking | - IRF — up to 9 switches as one virtual switch
- up to 160 Gbps stacking bandwidth
- DRNI (distributed resilient network interconnect)
|
|---|
| MAC Address Table | up to 64K, recommended 32K |
|---|
| จำนวนเส้นทาง (Routes) | 32768 entries (IPv4), 16384 entries (IPv6) |
|---|
| Jumbo Frame | up to 10000-byte frame size |
|---|
| พอร์ต PoE | - 24 x 10/100/1000BASE-T PoE+ ports (IEEE 802.3at; also IEEE 802.3af devices)
- PoE allocation: automatic, 802.3af class, LLDP-MED or user-specified
- Up to 30 W per port (IEEE 802.3at PoE+)
|
|---|
| กำลังไฟ PoE รวม (PoE Budget) | 720 W PoE+ — range 360 W to 720 W, dependent on the type and quantity of power supplies |
|---|
| การจัดการ (Management) | - OS: HPE Comware (unified modular operating system)
- IMC - Intelligent Management Center
- Command-line interface
- SNMP manager (SNMPv1/v2c/v3)
- Web UI
- Netconf
- Yang
- RestAPIs
- iNQA
- sFlow
- RMON
- OpenFlow 1.3
|
|---|
| License ที่ต้องใช้ | ไม่ต้องใช้ License — IPv6 and fully featured L3 (RIP, OSPF, ISIS, BGP, PIM) without additional software licensing |
|---|
| VLAN | - IEEE 802.1Q (4K VLAN IDs)
- Private VLANs
- QinQ and selective QinQ
- Voice VLAN
- Multicast VLAN
- Guest VLAN
|
|---|
| Spanning Tree | - STP / RSTP / MSTP (64 instances) / PVST+
- STP root guard
- BPDU port protection
|
|---|
| Link Aggregation | - IEEE 802.3ad LACP
- 10GbE port aggregation
- DRNI cross-device link aggregation
|
|---|
| IGMP / Multicast | - IGMP and MLD snooping
- IGMPv1/v2/v3
- PIM-SSM, PIM-DM, PIM-SM (IPv4/IPv6)
- MSDP
|
|---|
| ฟีเจอร์ L2 อื่น ๆ | - IEEE 802.1AB LLDP
- LLDP-MED
- RRPP (< 50 ms)
- Smart Link
- DLDP
- Ethernet OAM (802.3ah)
- Remote intelligent mirroring
- EEE (802.3az)
|
|---|
| Dynamic Routing | - Static: IPv4 and IPv6 static routes
- RIP, OSPF, ISIS, BGP
- IPv6: RIPng, OSPFv3, IS-ISv6, BGP4+
- ECMP
- Policy-based routing
- VRRP
- BFD
|
|---|
| IPv6 | - IPv6 Ready Certified
- wire-speed IPv6 routing
- IPv6 tunneling
- DHCPv6 snooping
- IPv6 source guard
- ND snooping
|
|---|
| ฟีเจอร์ L3 อื่น ๆ | - VXLAN L2/L3 gateway (up to 1024 unicast tunnels)
- EVPN
- MPLS, MPLS VPN, MPLS TE
- VPLS
- GRE
- Longest Prefix Match
- DHCP server/relay
|
|---|
| QoS | - Classifier-based QoS (L2/L3/L4)
- SP, WRR, WFQ, WRED, WDRR, SP+WDRR, SP+WFQ
- storm restraint / broadcast control
- IEEE 802.1p, DSCP/ToS
|
|---|
| ACL | - IP Layer 2 to Layer 4 filtering
- global, VLAN, port and IPv6 ACLs
- hardware-based wirespeed (TCAM)
- per-user ACLs
- up to 2K ingress ACLs and 512 egress ACLs
- 4K VLAN ACL table size
|
|---|
| 802.1X / Authentication | - IEEE 802.1X
- MAC-based authentication
- RADIUS/HWTACACS
- Endpoint Admission Defense (EAD)
- Automatic VLAN assignment
|
|---|
| ความปลอดภัย | - MACsec (IEEE 802.1AE; ports 17-24)
- IPSec VPN
- URPF
- DHCP snooping
- Dynamic ARP protection
- IP source guard
- Port security
- Port isolation
- SSH/SFTP/SCP
|
|---|
| ไฟเลี้ยง (Power Supply) | - 2 power supply slots
- 1 minimum power supply required (ordered separately) — switch is NOT supplied with a power supply
- Redundancy: Device supports 1 or 2 internal modular power supplies (Internal Dual Redundant Power Supply)
|
|---|
| แรงดันไฟเข้า | - 90 VAC to 264 VAC
- -36 VDC to -72 VDC
- 50/60 Hz
|
|---|
| กำลังไฟสูงสุด | - 1110 W (maximum power rating)
- Idle power 31 W
- Current 3 A (DC max input 6 A)
|
|---|
| การระบายความร้อน | - Fan tray — airflow direction is Side to Back and Back to Side
- Acoustic: Low-speed fan: 57.2 dB, High-speed fan: 68.7 dB; ISO 7779
|
|---|
| ขนาด (สูง x กว้าง x ลึก) | - 17.32(w) x 18.11(d) x 1.72(h) in (44 x 46 x 4.37 cm) (1U height) — maker order: w x d x h
- Mounting: Mounts in an EIA standard 19-inch telco rack or equipment cabinet (hardware included)
- 1U height
|
|---|
| น้ำหนัก | ≤ 9.2 kg |
|---|
| อุณหภูมิใช้งาน | - 23°F to 113°F (-5°C to 45°C)
- Non-operating/Storage: -40°F to 158°F (-40°C to 70°C)
- Operating relative humidity: 5% to 95%, noncondensing
|
|---|
| มาตรฐานรับรอง | - UL 60950-1
- IEC/EN 60950-1
- CAN/CSA-C22.2 No. 60950-1
- AS/NZS 60950-1
- GB 4943
- EN 60825-1/-2
- EAC
- FCC (CFR 47, Part 15) Class A
- VCCI Class A
- CISPR 22 Class A
- EN 55022 Class A
- CISPR 24
- EN 55024
- EN 300 386
- ROHS Compliance
|
|---|
| ระยะเวลารับประกัน | 5 ปี |
|---|
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