28-Port Gigabit Ethernet Stackable Smart Switch NETGEAR S3300-28X (GS728TX)
- Switch thông minh có thể xếp chồng 28 cổng Gigabit Ethernet, với 2 cổng đồng 10G và 2 cổng SFP+ 10G
- 24 cổng RJ45 hỗ trợ tốc độ 10/100/1000
- 2 cổng RJ45 chuyên dụng hỗ trợ tốc độ 100/1G/10G
- 2 cổng SFP+ chuyên dụng hỗ trợ tốc độ 1G/10G
- Băng thông: 128 Gbps
- Xếp chồng: Hỗ trợ tối đa 6 switch với tốc độ 40G hai chiều
- CPU: 400MHz
- RAM: 256M
- Bộ nhớ Flash: 64M
- Bộ đệm: 12MB
- Danh sách điều khiển truy cập (ACLs): 100 ACLs chia sẻ
- Bảng địa chỉ MAC: Lưu trữ tối đa 16K địa chỉ MAC
- VLANs: Hỗ trợ 256 VLANs
- Nhóm multicast: 512
- Jumbo frame: Hỗ trợ kích thước gói dữ liệu lên đến 9.216 byte
- Bộ tính năng: L2+ quản lý thông minh nâng cao
- Nguồn cấp: 1 nguồn điện nội bộ, cố định
- Thiết kế: Lắp rack 1U
Đặc tính kỹ thuật
| Model | S3300-28X (GS728TX) |
| Technical Specifications | |
| 10/100/1000Mbps ports | 24 |
| 10-Gigabit ports | 4 Dedicated (2 Copper and 2 Fiber) |
| Performance Specification | |
| Forwarding modes | Store-and-forward |
| Bandwidth | 128Gbps |
| Packet Forwarding Rate (64 byte packet size) (Mfps or Mpps) |
95.2 |
| Priority queues | 8 |
| Priority queuing | Weighted Round Robin (WRR) |
| MAC address database size | 16k media access control (MAC) addresses |
| Addressing | 48-bit MAC address |
| Multicast groups | 512 |
| Number of static routes | 32 |
| Number of routed VLANs | 15 |
| Number of ARP cache entries | 512 |
| Number of DHCP snooping bindings | 8K |
| Access Control Lists (ACLs) | 100 shared for MAC, IP and IPv6 ACLs |
| Jumbo frame support (bytes) | Up to 9,216 bytes packet size |
| Acoustic noise (ANSI-S10.12) | 40dBA |
| Mean Time Between Failures (MTBF) @ 25°C | 278,559 hours |
| L2 Services - VLANs | |
| IEEE 802.1Q VLAN tagging | Yes |
| IP-based VLANs | Yes |
| MAC-based VLANs | Yes |
| Auto-Voice VLAN | Based on phones OUI bytes (internal database, or user-maintained) or protocols (SIP, H323 and SCCP) |
| Auto-Video VLAN | Yes |
| L2 Services - Availability | |
| IEEE 802.3ad - LAGs | Yes |
| Broadcast storm control | Yes |
| IEEE 802.3x (full duplex and flow control) | Yes |
| IEEE 802.1D Spanning Tree Protocol | Yes |
| IEEE 802.1w Rapid Spanning Tree Protocol | Yes |
| IEEE 802.1s Multiple Spanning Tree Protocol | Yes |
| Layer 2 DHCP Relay | Yes |
| L2 Services - Multicast Filtering | |
| IGMP snooping (v1, v2 and v3) | Yes |
| MLD snooping support (v1 and v2) | Yes |
| IGMP snooping queries | Yes |
| Block unknown multicast | Yes |
| Multicast VLAN Registration (MVR) | Yes |
| L3 Services - DHCP | |
| DHCP client | Yes |
| DHCP snooping | Yes |
| L3 Services - IPv4 Routing | |
| Static routing | 32 |
| Host ARP table | 512 |
| Router Discovery (IRDP) | Yes |
| Link Aggregation | |
| IEEE 802.3ad - LAGs | Yes |
| Manual LAG | Yes |
| # of LAGs / # of members in each LAG | 26 LAGs with max 8 members in each LAG |
| Stacking | |
| Stacking Interface | 10G SFP+ or 10GBASE-T copper (both at 10G speeds only) |
| Max. number of switches within a stack | up to 6 |
| Stacking bandwidt | 40G bi-directional (two 10G stacking ports per switch) |
| Network Monitoring and Discovery Services | |
| 802.1ab LLDP | Yes |
| SNMP | v1, v2c, v3 |
| RMON group 1,2,3,9 | Yes |
| LEDs | |
| Per port | Speed, Link, Activity |
| Per device | Power, Fan |
| Physical Specifications | |
| Dimensions | 440 x 257 x 43mm |
| Weight | 3.14kg |
| Environmental Specifications | |
| Operating Temperature | 32° to 122°F (0° to 50°C) |
| Operating Humidity | 90% maximum relative humidity, non-condensing |
| Operating Altitude | 10,000 ft (3,000 m) maximum |
| Storage Temperature | – 4° to 158°F (–20° to 70°C) |
| Storage Humidity (relative) | 95% maximum relative humidity, non-condensing |
| Storage Altitude | 10,000 ft (3,000 m) maximum |
- Bảo hành: 1 năm.
