FEATURES
Physical Port
- 24 100/1000Base-X mini-GBIC/SFP slots
- 8-port 10/100/1000Base-T Gigabit Ethernet RJ-45, shared with
Port-1 to Port-8
- RJ45 to RS-232 DB9 console interface for basic management and
setup
Layer 2 Features
- Prevents packet loss with back pressure (half-duplex) and IEEE
802.3x pause frame flow control (full-duplex)
- High performance of Store-and-Forward architecture and runt/CRC
filtering eliminates erroneous packets to optimize the network
bandwidth
- Storm Control support
- - Broadcast / Unicast / Unknown Unicast
- Supports VLAN- IEEE 802.1Q tagged VLAN- Up to 255 VLANs
groups, out of 4095 VLAN IDs- Provider Bridging (VLAN Q-in-Q)
support (IEEE 802.1ad)- Private VLAN Edge (PVE)- Protocol-based
VLAN- MAC-based VLAN- IP Subnet-based VLAN- Voice VLAN
- Supports Spanning Tree Protocol
- - STP, IEEE 802.1D Spanning Tree Protocol- RSTP, IEEE 802.1w
Rapid Spanning Tree Protocol- MSTP, IEEE 802.1s Multiple Spanning
Tree Protocol, spanning tree by VLAN- BPDU Guard
- Supports Link Aggregation
- - 802.3ad Link Aggregation Control Protocol (LACP)- Cisco
ether-channel (Static Trunk)- Maximum 12 trunk groups, up to 8
ports per trunk group- Up to 16Gbps bandwidth (full duplex
mode)
- Provides Port Mirror (many-to-1)
- Port Mirroring to monitor the incoming or outgoing traffic on a
particular port
- Loop protection to avoid broadcast loops
Layer 3 IP Routing Features
- Supports maximum 128 static routes and route summarization
Quality of Service
- Ingress Shaper and Egress Rate Limit per port bandwidth
control
- 8 priority queues on all switch ports
- Traffic classification
- - IEEE 802.1p CoS- TOS / DSCP / IP Precedence of IPv4/IPv6
packets- IP TCP/UDP port number- Typical network application
- Strict priority and Weighted Round Robin (WRR) CoS
policies
- Traffic-policing policies on the switch port
- DSCP remarking
Multicast
- Supports IGMP Snooping v1, v2 and v3
- Supports MLD Snooping v1 and v2
- Querier mode support
- IGMP Snooping port filtering
- MLD Snooping port filtering
- MVR (Multicast VLAN Registration)
Security
- IEEE 802.1X Authentication with Guest VLAN
- Built-in RADIUS client to cooperate with the RADIUS
servers
- RADIUS / TACACS+ users access authentication
- IP-based Access Control List (ACL)
- MAC-based Access Control List (ACL)
- Source MAC / IP address binding
- DHCP Snooping to filter distrusted DHCP messages
- Dynamic ARP Inspection discards ARP packets with invalid
MAC address to IP address binding
- IP Source Guard prevents IP spoofing attacks
- IP address access management to prevent unauthorized
intruder
Management
- Switch Management Interfaces
- - Console / Telnet Command Line Interface- Web switch
management- SNMP v1, v2c, and v3 switch management- SSH / SSL
secure access
- Four RMON groups (history, statistics, alarms and events)
- IPv6 Address / NTP management
- Built-in Trivial File Transfer Protocol (TFTP) client
- BOOTP and DHCP for IP address assignment
- Firmware upload / download via HTTP / TFTP
- DHCP Relay and Option 82
- User Privilege levels control
- NTP (Network Time Protocol)
- Link Layer Discovery Protocol (LLDP)
- SFP-DDM (Digital Diagnostic Monitor)
- Cable Diagnostic technology provides the mechanism to detect
and report potential cabling issues for TP ports
- ICMPv6 / ICMPv4 Remote Ping
- Reset button for system reboot or reset to factory default
- SMTP / Syslog / SNMP Trap remote alarm
- System Log
- PLANET Smart Discovery Utility for deploy management
Redundant Power System (GS-5220-16S8CR)
- Redundant 100~240V AC / 36-60V DC dual power
- Active-active redundant power failure protection
- Backup of catastrophic power failure on one supply
- Fault tolerance and resilience
