GarrettCom 6K32TRC - Manual (Page 29)

Magnum 6K32T & 6K32TRC Managed Switch Installation and User Guide 05/07)
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The Magnum 6K32T Managed Switch equipped with copper and optional dual Gigabit
fiber ports on modular slots provide an economical and seamless solution to the
requirements. The user-configurable Magnum 6K32T provides an extra boost to the
network requirements by providing copper/fiber media along with the higher bandwidth
support of 10/100 and 1000Mb. The user can utilize the SNMP feature equipped with
VLAN, Port security, 802.1X, and other security features to provide a secure and stable
network as per the requirement
The 6K32T Managed Switch with NEBS Level 3 compliance and management
flexibility allows the user more than one configuration alternative. The user has an
advantage by fulfilling the present requirements as well as benefiting from the multiple
choices of modules to support future expansion as the network evolves. The dual Gigabit
port option in the modular slot boosts the bandwidth for high speed to support the peak
traffic and minimize congestion.
Example 3 Redundant Application (6K32TRC)
In a redundant application for high network availability where a rack-
mountable managed switch with over 24 ports is required with dense port features,
Magnum 6K32T’s equipped with redundant LAN features like S-Ring, RSTP, Link-
Loss-Learn and various security features are easily qualified for the application. The -
48VDC input power option with Dual Source is especially useful in telecom central
offices.
The Magnum 6K32T with two Gigabit ports in the modular slot allows it to
connect into a Gigabit mesh structure with an RSTP and S-Ring combination used in a
no-single-point-of-failure self-healing LAN topology along with a ring of multiple 6K25s
at the edge to allow the system to efficiently recover from a fault in the network.
The
industry standard Rapid Spanning Tree Protocol 802.1d is used in the top eight switches
(see diagram below) to perform GB mesh fault recovery, whereas the bottom ring setup
has been configured with S-Ring and Link-Loss-Learn for faster recovery in a big ring.
A redundant LAN setup not only provides a reliable recovery solution from
network faults, but also improves operating up-time to simplify maintenance, save
money and recover valuable time. In a critical application where secure data has been
stored in a data mining storage facility, a redundant network provides a more secure
solution.
The figure below has Magnum 6K32T’s and 6K25’s connected over the gigabit mesh
structure for a high bandwidth secure redundant LAN setup.