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Trunks distributed
between Switches
in a Stack
Trunks distributed between
Switches in a Cluster
Figure 2. Ethernet Routing Switch 5000 Series in a small Core application,
with ERS 2500 or 4500 Series Switches at the Edge
delivering resiliency and efficiency
Nortel's Switch Cluster solution can
further enhance overall resiliency
through the addition of a second
horizontally-Stacked 'Top-of-Rack'
Switch. Connected Servers can then be
'dual-homed' to separate Stacks of ERS
5000 Switches, which in turn appear
as a single, logical Switch to the rest of
the network. This enables active-active
connections, load-balancing and sub-
second failover across the Stacks. These
features make the ERS 5000 Series a
truly cost-effective Data Center solution
that combines always-on resiliency with
high-performance connectivity.
Highly scalable small Core
The Ethernet Routing Switch 5000
Series can also serve as a high-
performing, feature-rich small Core
solution. With high-density 10GbE and
SFP ports (up to 64 10GbE and 192 SFP
ports per Stack), the ERS 5530-24TFD
and 5632FD models are particularly
well-suited to small Core applications.
Only Nortel's Industry-leading resilient 'FAST' architecture delivers the high-availability
crucial for delay-sensitive and business-critical data, voice and video.
Switch Cluster
Coupled with dynamic routing protocol
support (RIP/OSPF) – and field-
replaceable, redundant power in the
5600 models — the ERS 5000 Series
can provide low-cost, resilient small
Core solutions.
The ERS 5000 Series can further act
as a Switch Cluster supporting other
ERS 2500, 4500 or third-party access
Switches (see Figure 2) using Nortel's
Switch Clustering technology (SMLT).
ERS 5000s in this configuration can
provide up to 800 ports and over 2.3
Terabits of always-on performance —
while enabling full use of all Switches
and links across the network.
Convergence-ready
capabilities
Power-over-Ethernet
The Ethernet Routing Switch 5520-
24T-PWR, 5520-48T-PWR, 5650TD-
PWR and 5698TFD-PWR models
provide standards-based Power-over-
Ethernet Routing
Switch 2500
The following new features and
enhancements have been added to the
ERS 5000 Series capabilities with the
release of v6.1 Operating System software:
• Nortel Automatic QoS
• Granular and Dynamic QoS
DMLT to Core/Distribution
Ethernet Routing
Switch 5632FD
• Stack Health Check
• 802.1X Dynamic Authorization
Extensions to RADIUS (RFC 3567)
• T1 Ethernet over TDM SFP Transceiver
• Traffic-based Broadcast and Multicast
Storm Control
• De-Licensing IPFIX
• And more than 30 additional Operability
features and enhancements
Ethernet (PoE) and are designed to power
devices such as IP Phones, Wireless
Access Points, IP CCTV Cameras,
security and lighting devices, and access
control devices such as badge readers.
Full interoperability with all Standards-
based equipment means these Switches
have the flexibility to power devices
from any vendors; ERS 5000 Switches
can supply up to 15.4 Watts per port, as
defined in the IEEE 802.3af Standard.
Link Layer Discovery Protocol and
Auto Detection/Auto Configuration
The Ethernet Routing Switch 5000
Series combines the functionality of the
Link Layer Discovery Protocol (LLDP)
and Auto Detection/Auto Configuration
(ADAC) to detect and configure Nortel
IP Phones. The implementation includes
the Location Type-Length-Value (TLV)
New features for the
v6.1 Release
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