Avaya 3524GT-PWR+ AL3500C15-E6 사용자 설명서
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AL3500C15-E6
avaya.com
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proportionally as new switches are
added. The ERS 3500 series scales to a
maximum of 80Gbps of virtual
backplane throughput by simply
cabling up 8 units together. Avaya’s
Stackable Chassis architecture
simplifies stack management.
Customers do not have to worry about
different software versions on different
products, since all ERS 3500 units run
the same software image. The software
image is loaded onto the base unit of
the stack which then loads the image to
all the other switches in the stack. As
new units are added to the stack, the
ERS 3500 automates the software
image and configuration download
process. Third party testing
1
has
validated that new ERS 3500 units can
become operational in just over 2
minutes of being cabled into the stack.
To ensure wire-speed performance, our
Stackable Chassis architecture is based
on a shortest-path forwarding
algorithm for optimal data flow across
the stack. Unlike competitive solutions
that use unwieldy logical ring or token
technology, Avaya allows traffic to flow
upstream and downstream
simultaneously from every switch
connected to the virtual backplane,
optimizing performance, resiliency, and
resource utilization. Avaya has an
additional advantage in that Quality-of-
Service settings are honored as traffic
passes over the stacking connections –
providing applications with optimal
performance, and a positive user
experience.
All ERS 3500 24 and 48-port models
come with two in-built Stackable
Chassis interfaces for simple, cost-
effective and efficient connectivity.
Unlike comparative offerings which
daisy chain low-speed interfaces, this
design frees uplink ports for
dedicated connectivity to the
backbone. In addition to the stacking
cables, a return cable is also used to
provide full virtual chassis resiliency
and to protect against any stack
port, switch unit or cable failures.
Unlike competitive solutions which
charge large premiums for stacking,
the ERS 3500 offers the ability for
customers to utilize its Stackable
Chassis architecture without
incurring any licensing or hardware
costs.
In-service maintenance and
restoration
restoration
Virtual hot swap, a critical
serviceability and operability
capability, helps ensure that failure in
any stacked unit is quickly and easily
rectified. Pioneered in modular
switches, virtual hot swap is available
in Avaya stackable chassis solutions
where, without complex engineering,
it enables immediate like-for-like unit
replacement with no impact on other
functionality and traffic, empowering
operators to deploy our solutions
just as they would a chassis. If a
failure occurs, neighboring switches
automatically wrap their fabric
connections to help ensure that
other switches in the stack are not
impacted. The failed unit is simply
disconnected from the fabric and,
without pre-staging of software or
configuration, a like unit is inserted,
cabled, and powered-up. The
Automatic Unit Replacement (AUR)
process self-manages the software
and configuration downloads to the
new switch then brings it online,
without the need for an engineer to
manage the process.
Further complementing the Avaya
ERS 3500 stacking architecture,
Avaya supports standards-based
802.3ad Link Aggregation as well as
its own Multi-Link Trunking
technology that allows grouping of
ports to form high-speed trunks/
aggregations. These bundles or
groups of ports can be distributed
across different units in the same
stack, delivering higher levels of
resilience in case of link or switch
failure to help ensure that traffic gets
to its destination.
Stack health-check monitoring, a
real-time, at-a-glance view of stack
operational status and health, further
enhances operational and
management simplicity.
Centralized Management
From a management perspective, an
ERS 3500 stackable chassis solution
appears as a single networking entity
– utilizing only a single IP Address.
This can significantly reduce the
number of switches to be managed
within the network as a stack of up to
8 switches can be managed just as
easily as a single switch.