Switch Cisco SG500-28P-K9-NA Switch 28-port Gigabit POE Stack

SG500-28P-K9-NA Switch Cisco SG500-28P-K9-NA Switch 28-port Gigabit POE Stack

Ports
24 RJ-45 connectors for 10BASE-T/100BASE-TX/1000BASE-T with 4 shared Gigabit SFP slots
Console port
Auto medium dependent interface (MDI) and MDI crossover (MDI-X)
Auto negotiate/manual setting
RPS port for connecting to redundant power supply unit

Buttons
Reset button

Cabling type
Unshielded twisted pair (UTP) Category 5 or better for 10BASE-T/100BASE-TX
UTP Category 5 Ethernet or better for 1000BASE-T

LEDs
PWR, Fan, Link/Act, PoE, Speed, RPS, Master, Stack ID 1 through 8

PoE
IEEE 802.3af PoE delivered over any of the twenty-four 10/100/1000 ports; power budget allows for max power of
15.4W on up to 12 ports simultaneously.

Performance

Switching capacity
Up to 48 Gbps, nonblocking

Forwarding rate
(based on 64-byte packets)
Up to 35.7 mpps

Stacking

Stack operation
Up to 8 units in a stack (192 ports)
Hot insertion and removal
Ring and chain stacking options
Master and backup master for resilient stack control
Auto-numbering or manual configuration of units in stack

Layer 2

MAC table size
8000

Number of VLANs
256 active VLANs (4096 range)

VLAN
Port-based and 802.1Q tag-based VLANs
Protocol-based VLAN
Management VLAN
PVE
GVRP

Head-of-line (HOL) blocking
HOL blocking prevention

Layer 3

Layer 3 options
Static routing
CIDR (classless interdomain routing)
128 static routes
IPv4
Forwarding in silicon - wire-speed forwarding of Layer 3 traffic

Management

Web user interface
Built-in web user interface for easy browser-based configuration (HTTP/HTTPS)

SNMP
SNMP versions 1, 2c, and 3 with support for traps

SNMP MIBs
RFC1213 MIB-2, RFC2863 interface MIB, RFC2665 Ether-like MIB, RFC1493 bridge MIB, RFC2674 extended bridge MIB
(P-bridge, Q-bridge), RFC2819 RMON MIB (groups 1, 2, 3, and 9 only), RFC2737 entity MIB, RFC3621 Power Ethernet
MIB, RFC 2618 RADIUS client MIB, RFC1215 traps

RMON
Embedded RMON software agent supports 4 RMON groups (history, statistics, alarms, and events) for enhanced traffic
management, monitoring, and analysis.

Firmware upgrade
Web browser upgrade (HTTP) and Trivial File Transfer Protocol (TFTP)
Dual images for resilient firmware upgrades

Port mirroring
Traffic on a port can be mirrored to another port for analysis with a network analyzer or RMON probe

Other management
Traceroute
Single IP management
SSL security for web user interface
SSH
RADIUS
Port mirroring
TFTP upgrade
Dynamic Host Configuration Protocol (DHCP) client
BOOTP
Simple Network Management Protocol (SNTP)
Xmodem upgrade
Cable diagnostics
Ping
Syslog
Telnet client (SSH secure support)

Security

IEEE 802.1X
802.1X - RADIUS authentication; MD5 hash
Guest VLAN
Single/multiple host mode

Access control
ACLs - drop or rate limit based on:
Source and destination MAC-based
Source and destination IP address
Protocol
Port
VLAN
Differentiated services code point (DSCP)/IP precedence
TCP/ User Datagram Protocol (UDP) source and destination ports
802.1p priority
Ethernet type
Internet Control Message Protocol (ICMP) packets
Internet Group Management Protocol (IGMP) packets
Up to 1018 rules

Availability

Link aggregation
Link aggregation using IEEE 802.3ad LACP
Up to 8 ports in up to 8 groups

Storm control
Broadcast and multicast storm protection

DoS prevention
DoS attack prevention

Spanning Tree
IEEE 802.1D Spanning Tree
IEEE 802.1w Rapid Spanning Tree
IEEE 802.1s Multiple Spanning Tree, Fast Linkover

IGMP snooping
IGMP (versions 1 and 2) snooping limits bandwidth-intensive video traffic to only the requestors. Supports 256
multicast groups.

Power redundancy
Connection to redundant power supply unit for power redundancy

QoS

Priority levels
4 hardware queues

Scheduling
Priority queuing and weighted round-robin (WRR)

Class of service
Port based
802.1p VLAN priority based
IPv4 IP precedence/ToS/DSCP based
DiffServ
Classification and re-marking ACLs

Rate limiting
Ingress policer
Egress rate control

Standards
802.3 10BASE-T Ethernet, 802.3u 100BASE-TX Fast Ethernet, 802.3ab 1000BASE-T Gigabit Ethernet, 802.3z Gigabit
Ethernet, 802.3x flow control, 802.3ad LACP, 802.3af POE, 802.1d Spanning Tree Protocol (STP), 802.1Q/p VLAN,
802.1w Rapid STP, 802.1s Multiple STP, 802.1X port access authentication

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