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Advanced Layer 3+ Modular Switch
The SwitchBlade x908 industry-leading modular switch is the ideal solution for
the modern enterprise network core where resiliency, reliability and high
performance are the key requirements.
VCStackTM provides excellent resiliency by allowing you to create a single "virtual
chassis" from two physical devices. VCStack delivers a resilient core at a fraction of the
cost of a full chassis-based system, and it allows you to manage the stack as a single
node on the network, greatly simplifying your management tasks.
The SwitchBlade x908 was designed with reliability in mind. With dual power
supplies, fan modules and a comprehensive range of expansion modules (XEMs),
which are all hot-swappable, you can maintain and reconfigure when necessary
without affecting network uptime.
High performance makes the SwitchBlade
x908 an ideal core or aggregation device. Enjoy
low latency and wirespeed L3 routing in a
compact 3 rack unit device. When configured as a
virtual chassis, the backplane capacity is a best-inclass
160Gbps.
Key Features
Resilient - VCStack provides fast failover for uninterrupted network service. Sophisticated high availability features ensure traffic
flow continues even during outages.
Scalable - Add more XEMs as your network grows. Create a VCStack to increase port density and resiliency without increasing
management complexity.
Reliable - Hot-swappable XEMs, redundant hot-swappable PSUs and replaceable fans ensure no network interruptions during
maintenance or reconfiguration.
High-performing - Non-blocking architecture and superior QoS ensure wire-speed delivery of all your critical IPv4 and IPv6 traffic.
The SwitchBlade x908 is 'IPv6 Ready' phase 2 certified.
Easy to manage - The powerful GUI and industry standard CLI reduce training requirements, and each VCStack appears as one
virtual chassis with a single IP address to simplify management.
Secure - Advanced security features protect your network - from the edge to the core. NAC gives unprecedented control over
user access to your network.
Resilient
VCStack provides fast failover for uninterrupted network service.
Sophisticated high availability features ensure traffic flow continues even
during outages.
VCStack
VCStack delivers a resilient core at a fraction of the cost of a full chassis-based
system. You can create a single "virtual chassis" from two physical devices,
using the two high speed stacking connectors on the rear of the chassis.
Each connector can provide 80Gbps of stacking bandwidth. VCStack provides
a highly available system where network resources are spread out across
stacked units, reducing the impact should one of the stacked units fail. You can
aggregate switch ports on different units, for excellent high availability.
Control Plane Prioritization (CPP)
Ensure maximum performance and prevent network outages with CPP.
CPP prevents the Control Plane from becoming flooded in the event of a
network storm or Denial of Service (DoS) attack, ensuring critical network
control traffic always reaches its destination.
Scalable
Add more XEMs as your network grows. Create a virtual chassis to increase
port density and resiliency without increasing management complexity.
Our high speed XEMs provide both copper and fiber connectivity, delivering
the ultimate in flexibility. XEM options are:
• AT-XEM-1XP - 1 x 10GbE (XFP)
• AT-XEM-2XP - 2 x 10GbE (XFP)
• AT-XEM-12S - 12 x 100/1000BASE-X SFP ports
• AT-XEM-12T - 12 x 10/100/1000BASE-T (RJ-45) ports
All XEMs provide non-blocking performance. XEMs are ideal for aggregating
gigabit to the desktop or for gigabit uplinks from Fast Ethernet switches.
Reliable
Hot-swappable XEMs, redundant hot-swappable PSUs and replaceable fans
ensure no network interruptions during maintenance or reconfiguration.
10GbE expansion modules and hotswappable XFPs provide high-speed, highcapacity
fiber uplinks.
The SwitchBlade x908 switch operates with one PSU - installing a second
PSU provides redundancy. Internal PSUs eliminate the need for an external
Redundant Power Supply (RPS), which occupies valuable rack space. Built-in
redundancy guarantees the continued delivery of essential services.
The SwitchBlade® x908 also features front-to-back cooling, maximising its reliability.
High-performing
Enjoy low latency and wirespeed L3 routing in a compact 3 rack unit device,
combined with a 640Gbps switching fabric. Non-blocking architecture and
superior QoS ensure wire-speed delivery of critical IPv4 and IPv6 traffic.
Ethernet Protected Switched Rings (EPSRingTM)
EPSR and 10 GbE modules allow the SwitchBlade x908, with a number of
x900 switches or iMAPs, to form a protected ring with 50ms failover - perfect
for high performance at the core of Enterprise or Provider Access networks.
Wire speed switching
The SwitchBlade x908 has fully non-blocking switching on all ports, so IPv4
and IPv6 Layer 2 switching and Layer 3 routing occur at wire speed. This is
ideal for high-end server deployments, and, when combined with a large L3
route table, for aggregating gigabit connections.
ndustry-leading Quality of Service (QoS)
Comprehensive low-latency wire-speed QoS provides flow-based traffic
management with full classification, prioritization, traffic shaping and min/max
bandwidth profiles. Enjoy boosted network performance and guaranteed
delivery of business-critical Ethernet services and applications. Time-critical
services like voice and video applications take precedence over non-essential
services like file downloads, maintaining responsiveness of Enterprise
applications. Unmatched QoS accuracy is achieved with a bandwidth limit
resolution down to 1Kbps, which is ideal for precise control of Enterprise
desktop-based VoIP applications.
Easy to manage
The industry standard CLI reduces training requirements, and each virtual
chassis has a single IP address to simplify management.
The SwitchBlade x908 runs the advanced AlliedWare Plus™ Fully Featured
Operating System delivering a rich feature set and an industry-standard CLI.
The built-in, web-based Graphical User Interface is an easy-to-use and
powerful management tool. With comprehensive monitoring facilities and the
ability to view a virtual chassis as a single entity, the GUI is an essential part of
your network management toolkit.
Administrators can choose from a range of secure remote management
options including SNMPv3 and SSH.
Triggers automatically run user-defined scripts when specified events occur.
Loop Protection detects and warns you if a network loop occurs. You can also
specify remedial action, such as shutting down the affected ports.
Secure
Advanced security features protect your network - from the edge to the core.
Network Access Control (NAC)
NAC allows for unprecedented control over user access to the network, in
order to mitigate threats to network infrastructure. The SwitchBlade x908
supports NAC by using 802.1x port-based authentication in partnership with
standards-compliant dynamic VLAN assignment to enable a user’s adherence
to the network’s security policies to be assessed, and either authentication
granted or remediation offered.
Allied Telesis NAC also supports alternatives to 802.1x port-based
authentication, such as web authentication to enable guest access, and
MAC authentication for end points that do not have an 802.1x supplicant.
Furthermore, if multiple users share a port then multi-authentication can be
used and a Guest VLAN (also known as Default VLAN) can be configured to
provide a catch-all for users without an 802.1x supplicant.
Additional security features include a full RADIUS client and server
implementation for remote and local user authentication, Private VLANs to
provide port isolation when multiple customer use the same VLAN, and STP
Root Guard to protect against an unauthorised device becoming the STP
Root Bridge.
What's new?
Dynamic Host Configuration Protocol (DHCP) Snooping
DHCP servers allocate IP addresses to clients, and the switch keeps a record of addresses issued on each port. IP Source Guard checks against this
DHCP snooping database to ensure only clients with specific IP and/or MAC address can access the network. DHCP snooping can be combined with
other features, like Dynamic ARP Inspection, to increase security in layer 2 switched environments, and also provides a traceable history, which meets
the growing legal requirements placed on Service Providers.
sFlow
sFlow is an industry standard technology for monitoring high speed switched networks. It gives complete visibility into the use of networks enabling
performance optimization, accounting/billing for usage, and defence against security threats. Sampled packets sent to a collector ensure it always has a
real-time view of network traffic.
VCStack Fast Failover
Virtual Chassis Stacking (VCStack) delivers resiliency and scalability to networks, simplifying management while increasing performance. Fast Failover
further enhances this advanced solution by providing absolutely minimal network downtime in the event of a problem.
Strong Passwords
Enforcing strong passwords for users of key networking equipment allows network administrators to increase security, and ensure a robust and reliable
infrastructure.
Allied Telesis www.alliedtelesis.com
SwitchBlade® x908 | Advanced Layer 3
Key Solution - Virtual Chassis Stacking (VCStack)
VCStack - Resiliency and Stability
Today's enterprises rely on Information Technology resources and applications to access business-critical information, and for day-to-day work. A high-availability
infrastructure is now of paramount importance, starting with a resilient network core. The SwitchBlade x908 provides the ideal solution - without the expense of a
full chassis. With the benefits of high availability, increased capacity and ease of management, VCStack makes networking reliable and simple.
Using VCStack at the core of your network allows multiple switches to appear as a single virtual chassis. In normal operation, this virtual chassis acts as a single switch,
simplifying management. The diagram below shows link aggregation between the core VCStack and the edge switches. With link aggregation across ports on different
virtual chassis members, there is no perceptible disruption in the case of a link failure, and the full bandwidth of the network is available.
VCStack and link aggregation provide a solution where network resources are spread across the virtual chassis members, ensuring device and path resiliency.
Virtualization of the network core ensures access to information when you need it
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