Allied Telesis AT -8000S/24 System Configuration, System Capacity, Performance, General Standards

AT-8000S/24 Layer 2 Stackable Fast Ethernet Switch

System Configuration

Dimensions		44cm x 25.7cm x 4.3cm
(W x D x H)		(17.3” x 10.1” x 1.7”)
Weight		3.15kg	(6.94lb)
Mounting		19” rack-mountable hardware
		included
System Capacity
64MB RAM
16MB flash memory
400Mhz CPU
Up to 4,096 VLAN ID
8,000	MAC address
Packet	buffer	memory	1Mbit

Performance

Wirespeed switching on all Ethernet ports for all packet

sizes
Throughput	9.52Mpps
Switching capacity	12.8Gbps
MTBF	233,997 hours in standalone
	operation
	221,210 hours in stacked operation
	(up to 6) with no free space
	between switches

MTBF figures apply to fanless model (v2) introduced 2009

Store and forward mode

Non-blocking switch fabric

Auto MDI/MDI-X

Latency
10Mbit	85.39	µsec
100Mbit	17.49 µsec
1000Mbit	2.72 µsec
Port speed
10/100TX		RJ-45
10/100/1000T		RJ-45
100FX, 1000SX, 1000LX		SFP	slot
RS232		DB9	pin, male port
Internal power supply and fan
Interface Standards
IEEE 802.3	10T
IEEE 802.3u	100TX and 100FX
IEEE 802.3z	1000SX
IEEE 802.3ab	1000T

General Standards

IEEE 802.1D Bridging

IEEE 802.3x BackPressure/ flow control

Redundancy Standards

IEEE 802.1D Spanning-Tree Protocol

IEEE 802.1W Rapid Spanning-Tree

IEEE 802.1s Multiple Spanning-Tree BPDU guard1

IEEE 802.3ad LACP link aggregation

(with up to eight members per group and up to eight groups per device)

Static port trunk

Quality of Services (QoS)

QoS in Layer 2 (IEEE 802.1p compliant Class of Service)

Traffic prioritization using IEEE 802.1p, ToS, DSCP fields Map IEEE 802.1p priorities to CoS queues to prioritize

traffic at egress

Strict Scheduling and Weighted Round Robin

VLANs

IEEE 802.1Q VLAN tagging

Up to 256 VLANs

Port-based VLANs

MAC-based VLANs

Private VLANs

GARP VLAN Registration Protocol (GVRP)

Multicast Standards

RFC 1112 IGMP snooping (ver. 1)

RFC 2236 IGMP snooping (ver. 2)

RFC 3376 IGMP snooping (ver. 3)

RFC 3376 IGMP querier

Option to forward/filtering of unregistered MC frames1

IPv61
IPv6		QoS
IPv6		ACL
IPv6		Host
RFC	2461	IPv6 neighbor discovery
RFC	2463	ICMPv6: Internet	Control Message
		Protocol version	6
RFC	1981	Path MTU discovery
Dual-stack IPv4/IPv6 protocol
IPv6		Tunnelling over	IPv4
IPv6		Network management
IPv6		Applications: WEB/SSL Telnet
		server/SSH, AAA/Radius, Management
		ACLs, SNTP, PING, TFTP/Copy, Syslog

Management and Monitoring

WEB, CLI, Serial
RFC 1157			SNMPv1/v2c
RFC 2570			SNMPv3
RFC	1213		MIB-II
RFC	1573		Evolution of MIB-II
RFC 1215			TRAP MIB
RFC 1493			Bridge MIB
RFC	2863		Interfaces	group MIB
RFC	1643		Ethernet	like MIB
RFC 1757			RMON 4 groups:
			Stats, History, Alarms, Events
RFC 2819			RMON 4 groups
RFC 2674			IEEE 802.1Q MIB
RFC 1866			HTML
RFC 2068			HTTP
RFC	854		Telnet
RFC 783			TFTP
LLDP1
IEEE	802.1ab
LLDP-MED1
IP address allocation
RFC 951/ RFC 1542				BootP/ DHCP
DHCP snooping
Manual
RFC 2030 SNTP, Simple Network Time Protocol
Syslog		event
Dual	software		images
Stacking
Up to		six units
Single		system	appearance
Single		IP management
Backup master
Full-duplex link with 2Gbps performance
Link	aggregation/trunking across stack
Port	mirroring		across stack
VLAN		across stack

Allied Telesis www.alliedtelesis.com