Cisco 3550 12G - Catalyst Switch - Stackable Bedienungsanleitung PDF herunterladen (Seite 4)

Cisco Systems, Inc.

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Cisco Cluster Management Suite (CMS)

The Cisco Cluster Management Suite (CMS) is

Web-based software that is embedded in Catalyst

3550-12T, 2950, 3500 XL, 2900 XL, and 1900 switches.

Through Cisco Switch Clustering technology, users access

CMS with any standard Web browser to manage up to

16 interconnected Catalyst 3550-12T, 2950, 3500 XL,

2900 XL, and 1900 switches at once—regardless of their

geographic proximity—using a single IP address. With

the addition of the 3550-12T, CMS can now extend

beyond routed boundaries for even more ﬂexibility in

managing a Cisco cluster.

CMS provides an integrated management interface for

delivering Cisco IOS Intelligent Network Services,

enabling users to manage their entire LAN with one

robust tool. By bringing the simplicity of traditional LAN

switching to Intelligent Network Services such as

multilayer switching, QoS, multicast, and security ACLs,

CMS allows administrators to take advantage of beneﬁts

formerly reserved for only the most complex networks.

CMS supports a broad range of standards-based

connectivity options and conﬁgurations to deliver levels

of performance that are scalable to meet customer

requirements. Switch Cluster connectivity options for

Catalyst 3550 switches include Ethernet, Fast Ethernet,

Fast EtherChannel, Gigabit Ethernet (1000BaseT), and

Gigabit EtherChannel connectivity.

Because Cisco Switch Clustering technology is not limited

by proprietary stacking modules, stacking cables or

interconnection media, CMS expands the traditional

cluster domain beyond a single wiring closet and lets

users mix and match interconnections to meet speciﬁc

management, performance, and cost requirements.

Catalyst 3550 switches can be conﬁgured either as

command or member switches in a Cisco switch cluster.

The command switch serves as the single-IP address

management point and disburses all management

instructions dictated by the network administrator to the

other interconnected member switches. CMS also allows

the network administrator to designate a standby or

redundant command switch, which takes the commander

duties should the primary command switch fail.

Key Features and Beneﬁts

Enhanced Quality of Service

• Support for 802.1p CoS classiﬁcation and

reclassiﬁcation on a per packet basis

• Support for RFC 2475 DiffServ Code Point

classiﬁcation and reclassiﬁcation on a per packet basis

• Support for Cisco control/data plane ACLs on all

ports to ensure proper policing and marking on a

per packet basis

• Support for control/data plane IP Standard and

Extended ACLs on all ports

• Ability to classify and reclassify packets based on

Layer 4 TCP/UDP information

• No performance penalty for granular Quality of

Service functionality

• 4 egress queues per port supported in hardware

• WRR queuing algorithm to ensure differential

prioritization of packet ﬂows

• WRED algorithm to avoid congestion at egress queues

Sophisticated Trafﬁc Management

• Support for Cisco CAR functionality

• Extremely granular Rate Limiting supported in 8K

increments

• Ability to limit data ﬂows based on MAC SA/DA, IP

SA/DA, TCP/UDP port numbers or any combination

of these ﬁelds

• Ability to manage data ﬂows asynchronously

upstream and downstream from the end station or on

the uplink

• Support for 128 aggregate or individual policers

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