Allied Telesis x900-24X Series Datasheet - Page 2
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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+
TM
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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