Cisco WS-C3548-XL-EN - Catalyst 3548XL Enterprise Edition Switch Bedienungsanleitung PDF herunterladen (Seite 2)

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• Catalyst 3548 XL—A single-rack-unit (RU), stackable 10/100

and Gigabit Ethernet switch with 48 10BaseT/100BaseTX ports

and two GBIC-based Gigabit Ethernet ports. The Catalyst 3548

XL is ideal for delivering dedicated 10- or 100-Mbps to

individual users and servers in high-density workgroups from a

stack, cluster, or standalone conﬁguration. Built-in dual

GBIC-based Gigabit Ethernet ports provide users with

a ﬂexible and scalable solution for Gigabit Ethernet uplinks and

GigaStack GBIC stacking.

• Catalyst 3524 XL—A single-RU, stackable 10/100 and Gigabit

Ethernet switch with 24 10/100 ports and two GBIC-based

Gigabit Ethernet ports. The Catalyst 3524 XL is ideal for

delivering dedicated 10- or 100-Mbps to individual users and

servers in midsized workgroups from a stack, cluster, or

standalone conﬁguration. Built-in dual GBIC-based Gigabit

Ethernet ports provide users with a ﬂexible and scalable

solution for Gigabit Ethernet uplinks and GigaStack GBIC

stacking.

• Catalyst 3512 XL—A single-RU, stackable 10/100 and Gigabit

Ethernet switch with 12 10/100 ports and two GBIC-based

Gigabit Ethernet ports. The two gigabit ports accommodate a

range of industry-standard GBICs, including the Cisco

GigaStack GBIC, 1000BaseSX, 1000BaseLX/LH, and

1000BaseZX GBICs. The Catalyst 3512 XL is a

high-performance, nonblocking switch, ideal for aggregating a

small group of Catalyst 2900 series XL or Catalyst 1900

switches in a clustered conﬁguration. In a standalone or stacked

conﬁguration, the Catalyst 3512 XL offers low-port density at a

low entry price.

• Catalyst 3508G XL—A single-RU, stackable Gigabit Ethernet

switch with eight GBIC-based Gigabit Ethernet ports. The

Catalyst 3508G XL is ideal for aggregating a group of 10/100

and Gigabit Ethernet switches and Gigabit Ethernet servers

through Cisco GigaStack GBICs or standard 1000BaseX

GBICs.

• GigaStack GBIC—A versatile, low-cost, Gigabit Ethernet

stacking GBIC that offers high-speed interconnectivitybetween

Catalyst 3500 series XL and Gigabit Ethernet- enabled Catalyst

2900 series XL switches. The GigaStack GBIC is ideal for

performance- and cost-conscious customers who require an

independent stack bus to interconnect multiple Catalyst 3500

series XL and Gigabit Ethernet-enabled Catalyst 2900 XL

switches.

The two-port Cisco GigaStack GBIC delivers high-speed interconnectivity

between Catalyst 3500 series XL and modular Catalyst 2900 series XL

switches.

Flexible Stacking with the GigaStack GBIC

The Catalyst 3500 series XL and Gigabit Ethernet-enabled

Catalyst 2900 series XL switches can be stacked using the

low-cost two-port Cisco GigaStack GBIC, which offers a range of

highly flexible stacking and performance options. Customers can

deploy a 1-Gbps independent stack backplane in a cascade

configuration, or scale up to 5-Gbps of bandwidth in a star

configuration using the Catalyst 3508G Gigabit Ethernet

aggregation switch. Network managers may use one or both of the

available GBIC ports to create high-speed uplinks to the network

core, using standard Gigabit Ethernet or Gigabit EtherChannel

technology. High resiliency can also be implemented by deploying

dual Gigabit Ethernet uplinks, a redundant GigaStack loopback

cable, Cisco Uplink Fast technology for high-speed uplink

failover, and PVST+ (Per VLAN Spanning Tree) for uplink load

balancing. This flexibility makes the Catalyst 3500 series XL an

ideal LAN edge complement to the Cisco Catalyst 6500 family of

Gigabit Ethernet optimized core LAN switches. Figure 1

illustrates sample network designs with Catalyst 3500 series XL

switches and Cisco GigaStack GBICs.

Customers can start with a low-cost GigaStack

GBIC-based 1-Gbps independent stack backplane. At any point,

users can increase stack performance to 5-Gbps using the same

GigaStack GBICs in combination with the high-performance

Catalyst 3508G Gigabit Ethernet aggregation switch.

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