Extreme Networks ERS 4926GTS-PWR User Manual
Highlights
• High-performance Wiring Closet
Switches
• Delivers Enabled Edge
• Agile support for Extreme
Fabric Connect
• Advanced IPv4 & IPv6 Routing
• Non-blocking, wire-speed
switching performance
• High-capacity Stackable
Chassis architecture
• 24 or 48 Ports of Gigabit Ethernet for
Access connectivity
• 2 ports of 10 Gigabit Ethernet for
Network Uplink connectivity
• Optional support for Full-Power
PoE/PoE+
• Field-Replaceable AC Power with
optional High-Availability
Benefits
• Convergence-ready Switches for the
Wiring Closet and Network Edge
• Pay-as-you-grow Resilient Stacking
• Optimized for
advanced communications
• Choice of PoE or PoE+ to
Power Devices
• Simplified network operations
• Extend Fabric Services to the
Network Edge
• Lifetime Warranty
Features and Capabilities
• Non-blocking, wire-speed
• Integrated design
• Feature-rich
• Extreme Stackable Chassis
• Extreme Fabric Connect
• Fabric Attach
• Advanced IPv4 and IPv6 Routing
• Field-replaceable Power
Data Sheet
Ethernet Routing Switch 4900
Next-generation, high-performance, feature-rich Ethernet
Switch platforms specifically optimized for the Wiring Closet
demands of the mainstream Enterprise. Extreme Ethernet
Routing Switch 4900 products deliver the agility to perform
equally in conventional IP and Ethernet Fabric-based
networking solutions.
The Ethernet Routing Switch 4900 products leverage the latest advances in
network switching architecture design to maximize hardware performance
and software capability. These products represent a clear evolutionary step
for the Ethernet Routing Switch 4000 Series, particularly in terms of
value and future-ready flexibility, and have been optimized for the
Enabled Edge role.
The primary purpose of a network is to interconnect users with their
applications, and the best networks do this reliably, eciently, and with
a high degree of agility. Extreme’s Fabric-Based architecture empowers
companies to extend the virtualized Ethernet Fabric beyond the Data
Center, to the very edge of the network, delivering powerful integration of
users, applications, and devices.
The new Ethernet Routing Switch 4900 (ERS 4900) products are an
important part of this strategy, integrating Fabric Connect capabilities into
a form-factor that is cost-eective, flexible, and reliable. The ERS 4900
products can be deployed standalone, or configured as a Stackable Chassis
system of up to eight units/400 ports, supported by up to 416Gbps of
virtual backplane bandwidth.
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ERS 4900 Stackable Chassis
Rear View
ERS 4926 GTS
ERS 4926 GTS-PWR+
ERS 4950 GTS
The Extreme Stackable Chassis technology can oer the
same performance, resiliency, and ease of serviceability
attributes of a traditional Chassis solution, but at a lower,
pay-as-you-grow price point. Notable is the ability to swapout an individual failed unit without the requirement to preor post-stage operating system software or configuration;
providing equivalency to module replacement for a modular
Chassis system.
The ERS 4900 products are purpose-built to support
the demands of today’s dynamic Wiring Closet with
high-density, full-featured Gigabit Ethernet. It alleviates
infrastructure complexity and reduces operational burden
with a truly scalable and strategic architecture; it is
designed to deliver a high-performance Enabled Edge
solution that fully optimizes investments in next-generation
application software.
Leveraging both next-generation hardware and software
technology provides a solution that is ready to support
both today’s requirements and tomorrow’s emerging
needs. The ERS 4900 products enable business to
future-proof with a highly software-definable network
virtualization solution.
ERS 4950 GTS-PWR+
Supporting modern Enterprise applications requires a
flexible and highly reliable infrastructure, and the ERS
4900 products deliver against this challenge. These are
highly strategic products, fit-for-purpose for conventional
Routed IP connectivity requirements and future-ready
for the evolving and emerging software-defined needs of
tomorrow. Boasting equal competency for both IP- and
Fabric-based networking give businesses the flexibility to
satisfy all common deployment scenarios, with the added
advantage of an easy transitioning between the two.
Extreme brings unique dierentiation to the mainstream
Wiring Closet role: with a flexible, non-blocking “Stackable
Chassis” architecture. The proprietary Extreme “Flexible
Advanced Stacking Technology” (FAST) protocol –
implemented over dedicated Quality-of-Service aware
interfaces – enables a resilient, high-performance solution
that leverages a shortest path algorithm to minimizes
transit hops in a multi-device configuration by providing
active-active bi-directional trac flows.
Product Overview
Broadly speaking, the Ethernet Routing Switch 4900
products provide a mix of Gigabit Ethernet ports for edge
access and 10 Gigabit Ethernet ports for network uplinks.
Model variants that support Power-over-Ethernet (PoE/
PoE+) are also available, and all models support optional
highly available AC power (up to 2 field-replaceable Power
Supplies). Two dierent port configurations are available:
26-port and 50-port models, and each configuration is
available in either a PoE or non-PoE format. The product
range includes the following models:
• ERS 4926GTS – 24 x 10/100/1000 Mbps RJ45, plus 2 x
10 Gigabit SFP+
• ERS 4926GTS-PWR+ – 24 x 10/100/1000 Mbps RJ45
with PoE/PoE+, plus 2 x 10 Gigabit SFP+
• ERS 4950GTS – 48 x 10/100/1000 Mbps RJ45, plus 2 x
10 Gigabit SFP+
• ERS 4950GTS-PWR+ – 48 x 10/100/1000 Mbps RJ45
with PoE/PoE+, plus 2 x 10 Gigabit SFP+
The product’s proven design leverages a sophisticated
chipset from the Industry’s leading supplier, featuring
high-performance switching and frame forwarding. The
switching core is designed to deliver wire-speed capabilities,
with a fully integrated ASIC architecture that facilitates
hardware-assisted feature execution.
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The 26-port models – ERS 4926GTS and ERS 4926GTS-
PWR+ – feature 24 1000BASE-T Gigabit Ethernet access
ports with RJ45 interfaces; these ports also support
10/100Mbps connectivity. Two SFP+ interfaces provide for
network uplink connectivity, and these ports support both
Gigabit and 10 Gigabit pluggable transceivers.
The 50-port models – ERS 4950GTS and ERS 4950GTS-
PWR+ – feature 48 1000BASE-T Gigabit Ethernet access
ports with RJ45 interfaces; these ports also support
10/100Mbps connectivity. Two SFP+ interfaces provide for
network uplink connectivity, and these ports support both
Gigabit and 10 Gigabit pluggable transceivers.
Importantly, all ERS 4900 models feature two dedicated
Stackable Chassis interfaces mounted on the rear; one a
bi-directional uplink and the other a bi-directional downlink.
These QoS-aware high-speed connections enable a
resilient, high-performance hardware virtualization solution,
leveraging a shortest path algorithm to minimizes transit
hops in a multi-device configuration and supporting activeactive bi-directional trac flows.
The ERS 4900 products deliver key Enterprise-class
benefits, including:
• Always-On – Stackable Chassis delivers a best-in-class
high-availability solution, featuring hot-swappable unit
replacement and integrated power redundancy.
• Convergence-Ready – Support for PoE/PoE+,
optimized for high-definition video surveillance,
true plug-and-play capabilities for communications,
collaboration, and engagement deployments, and
advanced QoS capabilities.
• Powerful – Wire-speed performance, truly scalable
virtual backplane capabilities, delivering up to 412Gbps
of throughput to support large-scale deployments.
• Highly Secure – Standards-based 802.1X Network
Access Control can also be integrated with Extreme
Management Center for centralized, policy-based
authenticated network access.
• Flexibility and Agility – Best-in-class pay-as-you-grow
scalability, versatile PoE/PoE+ support and 1/10 Gigabit
network uplinks.
The Power-over-Ethernet models – ERS 4926GTS-PWR+
and ERS 4950GTS-PWR+ – support full Standardscompliant IEEE 802.3af/802.3at PoE/PoE+ delivering up to
30W per port to power IP Phones, Wireless Access Points,
networked IP CCTV Cameras, and other converged devices.
Today, certain PoE devices require a surge of start-up power,
over-and-above that defined by the IEEE Standards, and
support for the High In-Rush mode enables these devices
to function.
These PoE models require the 1,025W field-replaceable, hot-
swappable power supply; the non-PoE models utilize the
lower-rated 250W version. The PoE power budgets for the
PWR+ models are as follows:
• ERS 4926GTS-PWR+ – up to 720W of PoE power with
either 1 or 2 PSUs installed
• ERS 4950GTS-PWR+ – up to 1,440W of PoE power
with 2 PSUs installed, and 750W with a single PSU
Benefits
The ERS 4900 products add significant flexibility to an
Enterprise’s networking capability. Deployed with other
Extreme or third party Ethernet Switch devices, the
ERS 4900 products provide high-capacity, highperformance connectivity solution for mainstream
Wiring Closet applications.
• Fabric-Enabled – Supporting Extreme’s Fabric Connect
technologies to empower a seamless transition to an
agile, software-defined virtualized networking solution.
• Energy Ecient – Focusing on end-to-end energy
eciency, dynamic Energy Saver further reduces
power consumption for both the Ethernet Switch
(ranging 8-17%) and IP Phones without impacting
service availability.
System Compatibility
From an operating system software perspective, the ERS
4900 products are being introduced via the 7.1 release;
therefore, this will be the minimum level of system software
required to operate the Switches. As of the 7.1 release,
both the ERS 4900 and ERS 5900 Series products are
supported by the same BOSS software image. This delivers
harmonized feature availability – where applicable – across
both the mainstream and premium product lines.
The recent BOSS 7.5 delivers the following enhancements:
• Integration into Extreme Management Center
• Adding Egress Filters for IPv4/IPv6, and Ingress Filters
for IPv6
• Support for NTPv4
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