Datasheet

Allied Telesis www.alliedtelesis.com
SWITCHBLADE
®
X908 | Advanced Layer 3 Modular Switch
Page 5
Performance
• 262Mpps forwarding rate (with current XEM
modules. Fabric is capable of up to 476Mpps)
• Extensive wire-speed traffic classification for
ACLs and QoS
• Supports 10KB Jumbo frame size for data center
and server aggregation applications
• Wire-speed multicasting
• 640Gbps Switching Fabric
• Up to 256K IPv4 routes
• Up to 16K MAC addresses
• Up to 4K layer 2 multicast groups
• Up to 1K layer 3 IPv4 multicast groups
• 4K VLANs
• 512MB DDR SDRAM
• Separate packet buffer memory
• 64MB Flash Memory
Reliability
• MTBF: 150K Hours (calculated using Telcordia
SR-332 (Issue 1, May 2001) at 25°C ambient
operating temperature)
• Modular AlliedWare Plus operating system
• Dual hot swappable PSUs with 1 + 1
redundancy
• Dual feed support - a separate power circuit can
feed each power supply providing extra reliability
• Hot-swappable XEMs
• Hot swappable fan modules
• Full environmental monitoring of PSUs, fans,
temperature and internal voltages, with SNMP
traps to alert network managers in case of any
failure
Power Characteristics
• AC Voltage: 100 to 240V (+/-10% auto ranging)
• Frequency: 47 to 63Hz
• DC Voltage: 36 to 72V
Power Consumption
• Fully loaded SBx908 with one AC PSU = 675W
max (2305 BTU/h)
• Fully loaded SBx908 with two load-sharing AC
PSUs = 700W max (2390 BTU/h)
Environmental Specifications
• Operating Temperature Range: 0°C to 40°C
(32°F to 104°F) Derated by 1°C per 305 Meters
(1000ft)
• Storage Temperature Range: -30°C to 70°C
(-13°F to 158°F)
• Operating Relative Humidity Range: 5% to 80%
non-condensing
• Storage Relative Humidity Range: 5% to 95%
non-condensing
• Altitude:
3,050 Meters maximum (10,000ft)
Expandability
• 8 high speed 60Gbps expansion bays
• 2 x 80Gbps stacking connectors on the rear of
the chassis, for use as high availability stacking
links for 2 SwitchBlade x908 switches
• IPv6 routing option
Flexibility and compatibility
• Eight expansion bays supporting a choice of
modules, including 1x 10GbE, 12 x 1GbE (SFP),
and 12 x 1GbE (RJ45) for port flexibility and
application versatility
• XEM modules compatible with x900-24X and
x900-12XT/S
• Gigabit SFP ports will support any combination
of 10/100/1000BASE-T, 100BASE-FX, 100BASE-
BX, 1000BASE-SX, 1000BASE-LX, 1000BASE-ZX
or 1000BASE-ZX CWDM SFPs
Resiliency
• STP, RSTP, MSTP (802.1s)
• Link Aggregation (802.3ad LACP)
• VRRP
• EPSR
• Dynamic Link Failover
VLAN support
• Supports 4096 VLANs
• VLAN Double Tagging
Security
• Private VLANs, providing security and port
isolation of multiple customers using the same
VLAN
• 802.1x support
• Dynamic VLANs
• NAC
• BPDU Protection
• STP Root Guard
Quality of Service
• Policy based QoS features
• Highly configurable traffic classification
• Extensive remarking capabilities, to fit in with any
network’s QoS scheme
• Control plane traffic prioritization
• Mixed scheduling, to support complex traffic
queuing requirements
• 8 QoS queues per port
• Two-rate three-color (green, yellow, red)
bandwidth metering, with burst sizes for
improved TCP-IP bandwidth limiting performance
and bandwidth resolution down to 1Kbps
• Low switching latency essential for Voice
over IP (VoIP) and real-time streaming media
applications
Management
• Out of band 10/100/1000 Ethernet management
port and console management port, both on the
front panel for ease of access
• An SD memory card socket on the front panel,
allowing software release files, configurations
and other files to be stored for backup and
distribution to other switches
• Port mirroring
• SSH and SNMPv3 for secure management
• Local RADIUS database and RADIUS
Authentication