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x900-12X AND 24X SERIES

Resilient

VCStack provides fast failover for uninterrupted network service. 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. 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 maximal 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.

Scalable

Add more XEMs as your network grows. Add more devices to a VCStack

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

• AT-XEM-STK - Stacking

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, high-

capacity fiber uplinks, with the option of either 10Gbps or 20Gbps uplink

capacity to the network core.

The x900 Layer 3+ switches operate with one PSU - installing a second

PSU provides redundancy. Internal PSUs eliminate the need for an external

Redundant Power Supply (RPS) that occupies valuable rack space. Built-in

redundancy guarantees the continued delivery of essential services.

The x900 switches also feature front-to-back cooling, maximising their

reliability.

High-performing

Non-blocking architecture and superior QoS ensure wire-speed delivery of

all your critical IPv4 and IPv6 traffic.

Ethernet Protected Switched Rings (EPSRing

EPSR and 10 GbE modules allow several x900-24X switches to form a

protected ring with 50ms failover.This feature is perfect for high performance

at the core of enterprise or provider access networks.

Wire speed switching

The x900 Layer 3+ switches have fully non-blocking switching on all ports, so

IPv4 Layer 2 switching and Layer 3 routing occur at wire speed. This is ideal for

high-end server deployments, and when aggregating gigabit connections.

Allied Telesis

| Advanced Gigabit Layer 3+ Expandable Switches

Aggregation at Layer 2 and Layer 3

A large L3 route table provides support for thousands of IP interfaces,

essential when aggregating complex IP networks.

Industry-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

VCStack appears as one virtual chassis with a single IP address to simplify

management.

The x900 Layer 3+ switches run the advanced AlliedWare Plus™ Layer 3

Fully Featured Operating System delivering a rich feature set and an industry-

standard CLI.

Using VCStack allows stacked devices to appear as a single node on the

network, greatly simplifying your management.

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 x900 Layer

3+ switches support 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

authentication either 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. As well as

)

supporting a RADIUS client for remote authentication, the x900 Layer 3+

switches have a built-in RADIUS server for local authentication.

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.

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