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The GigaStack GBIC allows you to stack up to nine switches to form an independent backbone that can be managed with a single IP address. This stack gives the appearance of a single large switch for network management purposes. You can also form a point-to-point link between two switches. The GigaStack GBIC supports one full-duplex link (in a point-to-point configuration) or up to eight half-duplex links (in a stack configuration) to other Gigabit Ethernet devices. The GigaStack GBIC can add port density to a 3500 XL or 2900 XL network. You can install the GigaStack GBIC in a 3500 XL switch or into a 1000BASE-X module that resides in a modular 2900 XL switch. When installed in a 3500 XL switch or a 2900 XL module, the GigaStack GBIC supports 1000BASE-X connections. The GigaStack GBIC autonegotiates the duplex settings of each port to maximize the bandwidth for your configuration. The maximum distance for a GigaStack GBIC-to-GigaStack GBIC connection is 1 meter. The GigaStack GBIC requires Cisco proprietary signaling and cabling. For more information on cabling, see the section entitled "Cabling Guidelines." Features:
Hot-swap installation and removal
Management through the Cisco IOS command-line interface (CLI) or the web-based Cisco Visual Switch Manager (CVSM)
Support for IOS Release 11.2(8)SA6 or later
Field-replaceable
Half-duplex stacking of up to 9 switches using only one GBIC slot for each switch
Full-duplex connectivity between two switches
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