Carrier Access 3750 Series Switch User Manual

Data Sheet
Cisco Catalyst 3750 Series Switches
Product Overview
switches that meet access, aggregation, or
The new Cisco Catalyst 3750 Series
small-network backbone-connectivity
switches are an innovative product line that
requirements.
improves LAN operating efficiency by
combining industry-leading ease of use and
Configurations
the highest resiliency available for stackable
• Cisco Catalyst 3750G-24TS—24
switches. This new product series represents
Ethernet 10/100/1000 ports and 4 SFP
the next generation in desktop switches,
uplinks
™ technology,
and features Cisco StackWise
a 32-Gbps stack interconnect that allows
customers to build a unified, highly resilient
switching system—one switch at a time.
For mid-sized organizations and enterprise
• Cisco Catalyst 3750G-24T—24
Ethernet 10/100/1000 ports
• Cisco Catalyst 3750G-12S—12 Gigabit
Ethernet SFP ports
• Cisco Catalyst 3750-48TS—48
branch offices, the Cisco Catalyst 3750
Ethernet 10/100 ports and 4 SFP
Series eases deployment of converged
uplinks
applications and adapts to changing
• Cisco Catalyst 3750-24TS—24
business needs by providing configuration
Ethernet 10/100 ports and 2 small
flexibility, support for converged network
form-factor pluggable (SFP) uplinks
patterns, and automation of intelligent
network-services configurations. In
addition, the Cisco Catalyst 3750 Series is
optimized for high-density Gigabit Ethernet
deployments and includes a diverse range of
Cisco Catalyst 3750 Series is available in
the Standard Multilayer Software Image
(SMI) or the Enhanced Multilayer Software
Image (EMI). The SMI feature set includes
advanced quality of service (QoS),
rate-limiting, access control lists (ACLs),
Figure 1
Cisco Catalyst 3750
Series Switches for 10/
100 and 10/100/1000
access and aggregation
and basic static and routed information
protocol (RIP) routing functionality. The
EMI provides a richer set of enterprise-class
features including advanced
hardware-based IP unicast and multicast
routing.
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Cisco StackWise Technology—A New Standard in Stackable Resiliency
Cisco StackWise technology is a premium stacking architecture optimized for Gigabit Ethernet. This technology is
designed to respond to additions, deletions, and redeployment while maintaining constant performance.
Cisco StackWise technology unites up to nine individual Cisco Catalyst 3750 switches into a single logical unit, using
special stack interconnect cables and stacking software. The stack behaves as a single switching unit that is managed
by a master switch elected from one of the member switches. The master switch automatically creates and updates
all the switching and optional routing tables. A working stack can accept new members or delete old ones without
service interruption.
Key Features and Benefits
Ease of Use—“Plug-and-Play” Configuration
A working stack is self-managing and self-configuring. When switches are added or removed, the master switch
automatically updates all the routing tables to reflect changes. Upgrades are applied universally and simultaneously
to all members of the stack.
Scalability—Fast Ethernet to Gigabit Ethernet
The Cisco Catalyst 3750 Series stacks up to 9 switches as a single logical unit for a total of 468 Ethernet 10/100 ports
or 252 Ethernet 10/100/1000 ports. Individual 10/100 and 10/100/1000 units may be joined in any combination to
evolve with network needs.
Mix-and-Match Switch Types—Pay as You Expand Your Network
Stacks can be created with any combination of Cisco Catalyst 3750 switches. Customers who need a mixture of
10/100, 10/100/1000 ports and wiring closet aggregation capability can incrementally develop the access
environment, paying only for what they need.
Availability—Non-Stop Performance at Layer 2 and Layer 3
The Cisco Catalyst 3750 Series increases availability for stackable switches. Each switch can operate both as master
controller and forwarding processor. Each switch in the stack can serve as a master, creating an 1:N availability
scheme for network control. In the unlikely event of a single unit failure, all other units continue to forward traffic
and maintain operation.
Smart Multicast—A New Level of Efficiency for Converged Networks
With Cisco StackWise technology, the Cisco Catalyst 3750 Series offers greater efficiency for multicast applications
such as video. Each data packet is put on to the backplane only once, which provides more effective support for more
data streams.
Superior Quality of Service—Across the Stack and at Wire Speed
The Cisco Catalyst 3750 Series offers Gigabit Ethernet speed with intelligent services that keep everything flowing
smoothly—even at ten times normal network speed. Industry-leading mechanisms for marking, classification, and
scheduling deliver best-in-class performance for data, voice, and video traffic—all at wire speed.
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Security—Granular Control for the Access Environment
The Cisco Catalyst 3750 Series supports a comprehensive set of security features for connectivity and access control,
including ACLs, authentication, port-level security, and identity-based network services with 802.1x and extensions.
Single IP Management—Many Switches, One Address
Each Cisco Catalyst 3750 Series stack is managed as a single object and has a single IP address. Single IP management
is supported for activities such as fault detection, virtual LAN creation and modification, security, and QoS controls.
Jumbo Frames—Support for High-Demand Applications
The Cisco Catalyst 3750 Series supports jumbo frames on the 10/100/1000 configurations for advanced data and
video applications requiring very large frames.
IPv6 Capable—Getting Ready For The Future
The Catalyst 3750 supports IPv6 routing in hardware for maximum performance. As network devices grow and
the need for larger addressing and higher security become necessary, the Catalyst 3750 will be ready to meet the
requirement.
Management Options
The Cisco Catalyst 3750 Series offers both a superior command-line interface (CLI) for detailed configuration and
Cisco Cluster Management Suite (CMS) Software, a Web-based tool for quick configuration based on pre-set
templates. In addition, CiscoWorks supports the Cisco Catalyst 3750 Series for network-wide management.
Figure 2
Cisco Catalyst 3750 Series Switches
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Product Specifications
Table 1 Product Features and Benefits
Feature
Benefit
Ease of use and deployment
• Auto-configuration of new stack units eliminates reconfiguration.
• Dynamic Host Configuration Protocol (DHCP) auto-configuration of multiple
switches through a boot server eases switch deployment.
• Automatic Cisco IOS Software version checking and updating helps ensure that
all stack members have the same software version.
• Automatic QoS (AutoQoS) simplifies QoS configuration in voice-over-IP (VoIP)
networks by issuing interface and global switch commands to detect Cisco IP
phones, classify traffic, and enable egress queue configuration.
• Master configuration management ensures that all switches are automatically
upgraded when the master switch receives a new software version.
• Auto-sensing on each non-SFP port detects the speed of the attached device and
automatically configures the port for 10-, 100-, or 1000-Mbps operation, easing
switch deployment in mixed 10, 100, and 1000BASE-T environments.
• Auto-negotiating on all ports automatically selects half- or full-duplex
transmission mode to optimize bandwidth.
• Dynamic Trunking Protocol (DTP) enables dynamic trunk configuration across all
switch ports.
• Port Aggregation Protocol (PAgP) automates the creation of Cisco Fast
EtherChannel groups or Gigabit EtherChannel groups to link to another switch,
router, or server.
• Link Aggregation Control Protocol (LACP) allows the creation of Ethernet
channeling with devices that conform to IEEE 802.3ad. This feature is similar to
Cisco EtherChannel technology and PAgP.
• DHCP Relay allows a DHCP relay agent to broadcast DHCP requests to the
network DHCP server.
• IEEE 802.3z-compliant 1000BASE-SX, 1000BASE-LX/LH, 1000BASE-ZX,
1000BASE-T and CWDM* physical interface support through a field-replaceable
SFP module provides unprecedented flexibility in switch deployment.
• To help ensure that the switch can be quickly connected to the network and can
pass traffic with minimal user intervention, there is a default configuration stored
in Flash.
• Auto-MDIX (media-dependent interface cross-over) automatically adjusts
transmit and receive pairs if an incorrect cable type (cross-over or
straight-through) is installed.
Availability/Scalability
Superior redundancy for
fault backup
• 1:N master redundancy allows each stack member to serve as a master, providing
the highest reliability for forwarding.
• Cisco CrossStack UplinkFast (CSUF) technology provides increased redundancy
and network resiliency through fast spanning-tree convergence (less than 2
seconds) across a switch stack with Cisco StackWise Technology.
• Cross-Stack EtherChannel provides the ability to configure Cisco EtherChannel
technology across different members of the stack for high resiliency.
• IEEE 802.1w Rapid Spanning Tree Protocol (RSTP) provides rapid spanning-tree
convergence independent of spanning-tree timers and benefit of distributed
processing.
• Stacked units behave as a single spanning-tree node.
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Table 1 Product Features and Benefits
Feature
Benefit
• Per VLAN Rapid Spanning Tree (PVRST+) allows rapid spanning-tree
reconvergence on a per-VLAN spanning-tree basis, without requiring the
implementation of spanning-tree instances.
• Cisco Hot Standby Router Protocol (HSRP) is supported to create redundant,
failsafe routing topologies.
• Command-switch redundancy enabled in Cisco CMS Software allows designation
of a backup command switch that takes over cluster management functions if the
primary command switch fails.
• UniDirectional Link Detection (UDLD) and Aggressive UDLD allow unidirectional
links caused by incorrect fiber-optic wiring or port faults to be detected and
disabled on fiber-optic interfaces.
• Switch port auto-recovery (errdisable) automatically attempts to re-enable a link
that is disabled due to a network error.
• Cisco Redundant Power System 675 (RPS 675) support provides superior
power-source redundancy for up to 6 Cisco networking devices, resulting in
improved fault tolerance and network uptime.
• Equal-cost routing for load balancing and redundancy.
• Bandwidth aggregation up to 8 Gbps through Gigabit EtherChannel technology
and up to 800 Mbps through Fast EtherChannel technology enhances fault
tolerance and offers higher-speed aggregated bandwidth between switches and
to routers and individual servers.
High-performance IP routing
• Cisco Express Forwarding hardware routing architecture delivers extremely
high-performance IP routing.
• Basic IP unicast routing protocols (static, Routing Information Protocol Version 1
[RIPv1], and RIPv2) are supported for small-network routing applications.
• IPv6 routing support in hardware for maximum performance in the future.
• Advanced IP unicast routing protocols (Open Shortest Path First [OSPF], Interior
Gateway Routing Protocol [IGRP], Enhanced IGRP [EIGRP], and Border Gateway
Protocol Version 4 [BGPv4]) are supported for load balancing and constructing
scalable LANs. Enhanced Multilayer Software Image (EMI) is required.
• Policy-based routing (PBR) allows superior control by enabling flow redirection
regardless of the routing protocol configured. EMI is required.
• Inter-VLAN IP routing for full Layer 3 routing between 2 or more VLANs.
• Protocol-Independent Multicast (PIM) for IP multicast routing is supported,
including PIM sparse mode (PIM-SM), PIM dense mode (PIM-DM), and PIM
sparse-dense mode. EMI is required.
• Distance Vector Multicast Routing Protocol (DVMRP) tunneling interconnects 2
multicast-enabled networks across non-multicast networks. EMI is required.
• Fallback bridging forwards non-IP traffic between 2 or more VLANs. EMI is
required.
• Routing is enabled across the stack.
• 1000 switch virtual interfaces (SVIs) (depends on the number of routes and
multicast entries) and 468 routed ports are supported per stack.
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Table 1 Product Features and Benefits
Feature
Benefit
Integrated Cisco IOS Software
features for bandwidth
optimization
• Per-port broadcast, multicast, and unicast storm control prevents faulty end
stations from degrading overall systems performance.
• Web Cache Communication Protocol (WCCP) allows interaction with a Web cache
for the purpose of redirecting content requests and performing basic load
balancing across multiple caches. EMI is required.
• IEEE 802.1d Spanning Tree Protocol support for redundant backbone connections
and loop-free networks simplifies network configuration and improves fault
tolerance.
• PVST+ allows for Layer 2 load sharing on redundant links to efficiently utilize the
extra capacity inherent in a redundant design.
• IEEE 802.1s Multiple Spanning Tree Protocol (MSTP) allows a spanning-tree
instance per VLAN, enabling Layer 2 load sharing on redundant links.
• Equal-cost routing for Layer 3 load balancing and redundancy across the stack.
EMI is required.
• Local Proxy Address Resolution Protocol (ARP) works in conjunction with Private
VLAN Edge to minimize broadcasts and maximize available bandwidth.
• VLAN1 minimization allows VLAN1 to be disabled on any individual VLAN trunk
link.
• VLAN Trunking Protocol (VTP) pruning limits bandwidth consumption on VTP
trunks by flooding broadcast traffic only on trunk links required to reach the
destination devices.
• Internet Group Management Protocol (IGMP) snooping provides fast client joins
and leaves of multicast streams and limits bandwidth-intensive video traffic to
only the requestors.
• Multicast VLAN Registration (MVR) continuously sends multicast streams in a
multicast VLAN while isolating the streams from subscriber VLANs for bandwidth
and security reasons.
• Up to 12 EtherChannel groups are supported per stack.
Scalable stacking
• Cisco StackWise stacking creates a 32-Gbps backplane. Stacking does not require
user ports. Up to 9 units can be stacked together for a maximum of 468 10/100
ports, 252 10/100/1000 ports, 108 optical aggregation ports, or any mix thereof.
QoS/Control
Advanced QoS
• Cross-stack QoS allows QoS to be configured across the entire stack.
• 802.1p class of service (CoS) and Differentiated Services Code Point (DSCP) field
classification are provided, using marking and reclassification on a per-packet
basis by source and destination IP address, source and destination Media Access
Control (MAC) address, or Layer 4 Transmission Control Protocol/User Datagram
Protocol (TCP/UDP) port number.
• Cisco control-plane and data-plane QoS ACLs on all ports ensure proper marking
on a per-packet basis.
• 4 egress queues per port enable differentiated management of up to 4 traffic
types across the stack.
• Shaped Round Robin (SRR) scheduling ensures differential prioritization of packet
flows by intelligently servicing the ingress queues and egress queues.
• Weighted Tail Drop (WTD) provides congestion avoidance at the ingress and
egress queues before a disruption occurs.
• Strict priority queuing guarantees that the highest-priority packets are serviced
ahead of all other traffic.
• There is no performance penalty for highly granular QoS functionality.
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Table 1 Product Features and Benefits
Feature
Benefit
Granular rate limiting
• Cisco Committed Information Rate (CIR) function guarantees bandwidth in
increments as low as 8 Kbps.
• Rate limiting is provided based on source and destination IP address, source and
destination MAC address, Layer 4 TCP/UDP information, or any combination of
these fields, using QoS ACLs (IP ACLs or MAC ACLs), class maps, and policy
maps.
• Asynchronous data flows upstream and downstream from the end station or on
the uplink are easily managed using ingress policing and egress shaping.
• Up to 64 aggregate or individual policers are available per Fast Ethernet or
Gigabit Ethernet port.
Security
Network-wide security
features
• IEEE 802.1x allows dynamic, port-based security, providing user authentication.
• IEEE 802.1x with VLAN assignment allows a dynamic VLAN assignment for a
specific user regardless of where the user is connected.
• IEEE 802.1x with voice VLAN permits an IP phone to access the voice VLAN
irrespective of the authorized or unauthorized state of the port.
• IEEE 802.1x and port security are provided to authenticate the port and manage
network access for all MAC addresses, including that of the client.
• IEEE 802.1x with an ACL assignment allows for specific identity-based security
policies regardless of where the user is connected.
• IEEE 802.1x with Guest VLAN allows guests without 802.1x clients to have limited
network access on the Guest VLAN.
• Cisco security VLAN ACLs (VACLs) on all VLANs prevent unauthorized data flows
to be bridged within VLANs.
• Cisco standard and extended IP security Router ACLs (RACLs) define security
policies on routed interfaces for control-plane and data-plane traffic.
• Port-based ACLs (PACLs) for Layer 2 interfaces allow security policies to be
applied on individual switch ports.
• Secure Shell (SSH) Protocol, Kerberos, and Simple Network Management
Protocol Version 3 (SNMPv3) provide network security by encrypting
administrator traffic during Telnet and SNMP sessions. SSH, Kerberos, and the
cryptographic version of SNMPv3 require a special cryptographic software image
due to U.S. export restrictions.
• Private VLAN Edge provides security and isolation between switch ports, which
helps ensure that users cannot snoop on other users’ traffic.
• Bidirectional data support on the Switched Port Analyzer (SPAN) port allows Cisco
Secure Intrusion Detection System (IDS) to take action when an intruder is
detected.
• Terminal Access Controller Access Control System Plus (TACACS+) and Remote
Authentication Dial-In User Service (RADIUS) authentication enable centralized
control of the switch and restrict unauthorized users from altering the
configuration.
• MAC address notification allows administrators to be notified of users added to
or removed from the network.
• Port security secures the access to an access or trunk port based on MAC address.
• After a specific timeframe, the aging feature removes the MAC address from the
switch to allow another device to connect to the same port.
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Table 1 Product Features and Benefits
Feature
Benefit
• Trusted boundary provides the ability to trust the QoS priority settings if an IP
phone is present and to disable the trust setting in the event that the IP phone is
removed, thereby preventing a malicious user from overriding prioritization
policies in the network.
• Multilevel security on console access prevents unauthorized users from altering
the switch configuration.
• The user-selectable address-learning mode simplifies configuration and
enhances security.
• Bridge Protocol Data Unit (BPDU) guard shuts down Spanning-Tree Protocol
PortFast-enabled interfaces when BPDUs are received to avoid accidental
topology loops.
• Spanning Tree Root Guard (STRG) prevents edge devices not in the network
administrator’s control from becoming Spanning Tree Protocol root nodes.
• IGMP filtering provides multicast authentication by filtering out non-subscribers
and limits the number of concurrent multicast streams available per port.
• Dynamic VLAN assignment is supported through implementation of VLAN
Membership Policy Server (VMPS) client functionality to provide flexibility in
assigning ports to VLANs. Dynamic VLAN enables the fast assignment of IP
addresses.
• Cisco CMS Software security wizards ease the deployment of security features for
restricting user access to a server as well as to a portion or all of the network.
• 1000 access control entries (ACEs) are supported.
Manageability
Superior manageability
• Cisco IOS CLI support provides common user interface and command set with all
Cisco routers and Cisco Catalyst desktop switches.
• Service Assurance Agent support facilitates service-level management
throughout the LAN.
• Switching Database Manager templates for access, routing, and VLAN
deployment scenarios allow the administrator to easily maximize memory
allocation to the desired features based on deployment-specific requirements.
• VLAN trunks can be created from any port, using either standards-based 802.1Q
tagging or the Cisco Inter-Switch Link (ISL) VLAN architecture.
• Up to 1024 VLANs per switch or stack and up to 128 spanning-tree instances per
switch are supported.
• 4000 VLAN IDs are supported.
• Voice VLAN simplifies telephony installations by keeping voice traffic on a
separate VLAN for easier administration and troubleshooting.
• Cisco VLAN Trunking Protocol (VTP) supports dynamic VLANs and dynamic trunk
configuration across all switches.
• Cisco Group Management Protocol (CGMP) server functions enable a switch to
serve as the CGMP router for CGMP client switches. EMI is required.
• IGMP snooping provides fast client joins and leaves of multicast streams and
limits bandwidth-intensive video traffic to only the requestors.
• Remote Switch Port Analyzer (RSPAN) allows administrators to remotely monitor
ports in a Layer 2 switch network from any other switch in the same network.
• For enhanced traffic management, monitoring, and analysis, the Embedded
Remote Monitoring (RMON) software agent supports 4 RMON groups (history,
statistics, alarms, and events).
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Table 1 Product Features and Benefits
Feature
Benefit
• Layer 2 traceroute eases troubleshooting by identifying the physical path that a
packet takes from source to destination.
• All 9 RMON groups are supported through a SPAN port, which permits traffic
monitoring of a single port, a group of ports, or the entire stack from a single
network analyzer or RMON probe.
• Domain Name Services (DNS) provide IP address resolution with user-defined
device names.
• Trivial File Transfer Protocol (TFTP) reduces the cost of administering software
upgrades by downloading from a centralized location.
• Network Timing Protocol (NTP) provides an accurate and consistent timestamp to
all intranet switches.
• Multifunction LEDs per port for port status; half-duplex and full-duplex mode; and
10BASE-T, 100BASE-TX, and 1000BASE-T indication as well as switch-level status
LEDs for system, redundant-power supply, and bandwidth utilization provide a
comprehensive and convenient visual management system.
• SPAN works across all the ports in a stack.
Cisco CMS Software
• Cisco CMS Software provides an easy-to-use, Web-based management interface
through a standard Web browser.
• Cisco AVVID (Architecture for Voice, Video and Integrated Data) wizards need just
a few user inputs to automatically configure the switch to optimally handle
different types of traffic: voice, video, multicast, and high-priority data.
• A security wizard is provided to restrict unauthorized access to applications,
servers, and networks.
• Cisco CMS Software allows management of up to 16 interconnected Cisco
Catalyst 3750, 3550, 2950, 2950 LRE, 3500 XL, 2900 XL, 2900 LRE XL, and 1900
switches through a single IP address, without the limitation of being physically
located in the same wiring closet. Full backward compatibility helps ensure any
combination of the above switches can be managed with a Cisco Catalyst 3750
Series switch.
• The cluster software upgrade feature allows one-click software upgrade across an
entire cluster of Cisco Catalyst 3750, 3550, 2950, 2950 LRE, 3500 XL, 2900 XL,
2900 LRE XL, and 1900 switches. Configuration cloning enables rapid deployment
of networks. The master switch automatically upgrades each stack.
• Cisco CMS Software has been extended to include multilayer feature
configurations such as routing protocols, ACLs, and QoS parameters.
• Cisco Clustering now supports member discovery and cluster creation across a
single Cisco Catalyst 3750 Series switch routed hop, enabling the entire LAN to be
managed through a single Web interface (and with a single IP address, if desired).
• Cisco CMS Software Guide Mode assists in the configuration of powerful
advanced features by providing step-by-step instructions.
• Cisco CMS Software provides enhanced online help for context-sensitive
assistance.
• The easy-to-use graphical interface provides both a topology map and front-panel
view of the cluster and stacks.
• Multidevice and multiport configuration capabilities allow administrators to save
time by configuring features across multiple switches and ports simultaneously.
• Web-based management for a Cisco Aironet Wireless Access Point is launched
by clicking the relevant icon in the topology map.
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Table 1 Product Features and Benefits
Feature
Benefit
• The user-personalized interface allows modification of polling intervals, table
views, and other settings within Cisco CMS Software and retains these settings.
• Alarm notification provides automated e-mail notification of network errors and
alarm thresholds.
Easy Web setup
• Web browser setup utility allows one-click initialization for IP addresses and
passwords.
CiscoWorks support
• CiscoWorks network-management software provides management capabilities
on a per-port and per-switch basis, providing a common management interface
for Cisco routers, switches, and hubs. Stacking is supported.
• SNMP v1, v2c, and v3 and telnet interface support delivers comprehensive
in-band management, and a CLI-based management console provides detailed
out-of-band management.
• Cisco Discovery Protocol versions 1 and 2 enable a CiscoWorks
network-management station for automatic switch discovery.
• The CiscoWorks 2000 LAN Management Solution provides support.
Table 2 Hardware
Description
Specification
Performance
• 32 Gbps maximum forwarding bandwidth at Layer 2 and Layer 3 switching fabric
• Stack forwarding rate of 38.7 millions of packets per second (mpps) for 64-byte packets
• Forwarding rate: 6.5 mpps (Cisco Catalyst 3750-24-TS), 13.1 mpps (Cisco Catalyst
3750-48TS), 17.8 mpps (Cisco Catalyst 3750G-12S), 35.7 mpps (Cisco Catalyst 3750G-24T),
38.7 mpps (Cisco Catalyst 3750G-24TS)
• 128 MB dynamic random-access memory (DRAM) and 16 MB Flash memory (Cisco Catalyst
3750G-24TS, Cisco Catalyst 3750G-24T, Cisco Catalyst 3750G-12S, Cisco Catalyst
3750-24TS, and Cisco Catalyst 3750-48TS)
• Configurable up to 12,000 MAC addresses (Cisco Catalyst 3750G-24TS, Cisco Catalyst
3750G-24T, Cisco Catalyst 3750G-12S, Cisco Catalyst 3750-24TS, and Cisco Catalyst
3750-48TS)
• Configurable up to 20,000 unicast routes (Cisco Catalyst 3750G-12S) and up to 11,000
unicast routes (Cisco Catalyst 3750G-24TS, Cisco Catalyst 3750G-24T, Cisco Catalyst
3750-24TS, and Cisco Catalyst 3750-48TS)
• Configurable up to 1000 IGMP groups and multicast routes (Cisco Catalyst 3750G-24TS,
Cisco Catalyst 3750G-24T,Cisco Catalyst 3750G-12S, Cisco Catalyst 3750-24TS, and Cisco
Catalyst 3750-48TS)
• Configurable maximum transmission unit (MTU) of up to 9018 bytes (Jumbo frames) for
bridging on Gigabit Ethernet ports, and up to 1546 bytes for bridging and routing on Fast
Ethernet ports
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Table 2 Hardware
Description
Specification
Connectors and
cabling
• 10BASE-T ports: RJ-45 connectors, 2-pair Category 3, 4, or 5 unshielded twisted-pair (UTP)
cabling
• 100BASE-TX ports: RJ-45 connectors, 2-pair Category 5 UTP cabling
• 1000BASE-T ports: RJ-45, 2-pair Category 5 UTP cabling
• 1000BASE-T SFP-based ports: RJ-45 connectors, 2-pair Category 5 UTP cabling
• 1000BASE-SX, -LX/LH, -ZX, and CWDM* SFP-based ports: LC fiber connectors
(single-mode, or multimode fiber)
• Cisco StackWise stacking ports: copper-based Cisco StackWise cabling
• Management console port: RJ-45-to-DB9 cable for PC connections
Power connectors
Customers can provide power to a switch by using either the internal power supply or the
Cisco RPS 675. The connectors are located at the back of the switch.
Internal Power Supply Connector
• The internal power supply is an auto-ranging unit.
• The internal power supply supports input voltages between 100 and 240 volts alternating
current (VAC).
• Use the supplied alternating-current (AC) power cord to connect the AC power connector to
an AC power outlet.
Cisco RPS Connector
• The connector offers connection for an optional Cisco RPS 675 that uses AC input and
supplies direct-current (DC) output to the switch.
• The connector offers a 675-watt (W) RPS that supports up to 6 external network devices and
provides power to 1 failed device at a time.
• The connector automatically senses when the internal power supply of a connected device
fails and provides power to the failed device, preventing loss of network traffic.
• Only the Cisco RPS 675 (model PWR675-AC-RPS-N1=) should be attached to the
redundant-power-supply receptacle.
Indicators
• Per-port status LEDs: link integrity, disabled, activity, speed, and full-duplex indications
• System-status LEDs: system, RPS, and bandwidth-utilization indications
Dimensions
• 2.59 x 17.5 x 11.6 inches (in.) (6.59 x 44.5 x 29.5 centimeters [cm]) (Cisco Catalyst
3750G-24TS)
• 1.73 x 17.5 x 12.83 in (4.39 x 44.5 x 32.6 cm) (Cisco Catalyst 3750G-24T)
• 1.73 x 17.5 x 12.83 (4.39 x 44.5 x 32.6 cm) (Cisco Catalyst 3750G-12S)
• 1.73 x 17.5 x 11.83 in. (4.39 x 44.5 x 30.1 cm) (Cisco Catalyst 3750-48TS)
• 1.73 x 17.5 x 11.83 in. (4.39 x 44.5 x 30.1 cm) (Cisco Catalyst 3750-24TS)
Weight (H x W x D)
•
•
•
•
12.5 pounds (lb) (5.68 kilograms [kg]) (Cisco Catalyst 3750G-24TS)
10.0 lb (4.55 kg) (Cisco Catalyst 3750G-24T and Catalyst 3750G-12S)
9.1 lb (4.1 kg) (Cisco Catalyst 3750-48TS)
8.0 lb (3.6 kg) (Cisco Catalyst 3750-24TS)
Environmental
ranges
•
•
•
•
•
Operating temperature: 32˚ to 113˚ F (0˚ to 45˚ C)
Storage temperature: –13˚ to 158˚ F (–25˚ to 70˚ C)
Operating relative humidity: 10 to 85% (noncondensing)
Operating altitude: Up to 10,000 feet (ft) (3049 meters [m])
Storage altitude: Up to 15,000 ft (4573 m)
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Table 2 Hardware
Description
Specification
Acoustic noise
• International Organization for Standardization (ISO) 7779: bystander position operating to
an ambient temperature of 30 C
• Cisco Catalyst 3750G-24TS: 42 decibels (dB)
• Cisco Catalyst 3750G-24T: 42 dB
• Cisco Catalyst 3750G-12S: 42 dB
• Cisco Catalyst 3750-48TS: 42 dB
• Cisco Catalyst 3750-24TS: 42 dB
Mean time between
failure (MTBF)
•
•
•
•
•
188,574 hours (Cisco Catalyst 3750G-24TS)
210,936 hours (Cisco Catalyst 3750G-24T)
215,000 hours (Cisco Catalyst 3750G-12S)
217,824 hours (Cisco Catalyst 3750-48TS)
294,928 hours (Cisco Catalyst 3750-24TS)
Table 3 Power Specifications
Description
Specification
Power consumption
165W (maximum), 563 British thermal units (Btus) per hour (Cisco Catalyst 3750G-24TS)
135W (maximum), 460 Btus per hour (Cisco Catalyst 3750G-24T)
120W (maximum), 409 Btus per hour (Cisco Catalyst 3750G-12S)
42W (maximum), 143 Btus per hour (Cisco Catalyst 3750-24TS)
60W (maximum), 205 Btus per hour (Cisco Catalyst 3750-48TS)
AC input voltage
and frequency
100 to 127/200 to 240 VAC (auto-ranging), 50 to 60 Hertz (Hz)
DC input voltages
RPS input
+12 Volts (V) at 17A (Cisco Catalyst 3750G-24TS)
+12V at 13A (Cisco Catalyst 3750G-24T and Catalyst 3750G-12S)
+12V at 8.5A (Cisco Catalyst 3750-48 and Cisco Catalyst 3750-24)
Table 4 Management and Standards Support
Description
Specification
Management
BRIDGE-MIB
CISCO-CDP-MIB
CISCO-CLUSTER-MIB
CISCO-CONF-MAN-MIB
CISCO-ENTITY-FRU-CONTROL-MIB
CISCO-ENVMON-MIB
CISCO-FLASH-MIB
CISCO-FTP-CLIENT-MIB
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Table 4 Management and Standards Support
Description
Specification
CISCO-HSRP-MIB
CISCO-HSRP-EXT-MIB
CISCO-IGMP-FILTER-MIB
CISCO-IMAGE-MIB
CISCO-L2L3-INTERFACE-CONFIG-MIB
CISCO-MAC-NOTIFICATION-MIB
CISCO-MEMORY-POOL-MIB
CISCO-PAGP-MIB
CISCO-PING-MIB
CISCO-PROCESS-MIB
CISCO-RTTMON-MIB
CISCO-STACK-MIB
CISCO-STACKMAKER-MIB
CISCO-STP-EXTENSIONS-MIB
CISCO-SYSLOG-MIB
CISCO-TCP-MIB
CISCO-VLAN-IFTABLE-RELATIONSHIP-MIB
CISCO-VLAN-MEMBERSHIP-MIB
CISCO-VTP-MIB
ENTITY-MIB
ETHERLIKE-MIB
IF-MIB
IGMP-MIB
IPMROUTE-MIB
OLD-CISCO-CHASSIS-MIB
OLD-CISCO-FLASH-MIB
OLD-CISCO-INTERFACES-MIB
OLD-CISCO-IP-MIB
OLD-CISCO-SYS-MIB
OLD-CISCO-TCP-MIB
OLD-CISCO-TS-MIB
OSPF-MIB (RFC 1253)
PIM-MIB
RFC1213-MIB
RFC1253-MIB
RMON-MIB
RMON2-MIB
SNMP-FRAMEWORK-MIB
SNMP-MPD-MIB
SNMP-NOTIFICATION-MIB
SNMP-TARGET-MIB
SNMPv2-MIB
TCP-MIB
UDP-MIB
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Table 4 Management and Standards Support
Description
Specification
IEEE 802.1s
IEEE 802.1w
IEEE 802.1x
IEEE 802.3ad
IEEE 802.3x full duplex on 10BASE-T, 100BASE-TX, and 1000BASE-T ports
IEEE 802.1D Spanning-Tree Protocol
IEEE 802.1p CoS Prioritization
IEEE 802.1Q VLAN
IEEE 802.3 10BASE-T specification
Standards
IEEE 802.3u 100BASE-TX specification
IEEE 802.3ab 1000BASE-T specification
IEEE 802.3z 1000BASE-X specification
1000BASE-X (SFP)
1000BASE-SX
1000BASE-LX/LH
1000BASE-ZX
RMON I and II standards
SNMPv1, SNMPv2c, SNMPv3
Table 5 Safety and Compliance
Safety certifications
•
•
•
•
•
•
UL to UL 60950, Third Edition
C-UL to CAN/CSA C22.2 No. 60950-00, Third Edition
TUV/GS to EN 60950:2000
CB to IEC 60950 with all country deviations
NOM to NOM-019-SCFI
CE Marking
Electromagnetic emissions
certifications
•
•
•
•
•
•
•
•
FCC Part 15 Class A
EN 55022: 1998 (CISPR22)
EN 55024: 1998 (CISPR24)
VCCI Class A
AS/NZS 3548 Class A
CE
CNS 13438 Class A
MIC
Telco
• CLEI code
Warranty
• Limited lifetime warranty
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Service and Support
Cisco Systems is committed to minimizing total cost of ownership (TCO). Cisco offers a portfolio of Technical
Support Services to help ensure that Cisco products operate efficiently, remain highly available, and benefit from the
most up-to-date system software. The services and support programs described in the table below are available as
part of the Cisco Desktop Switching Service and Support solution, and are available directly from Cisco and through
resellers.
Service and Support
Features
Benefits
Cisco Total Implementation
Solutions (TIS), available direct from
Cisco
Cisco Packaged TIS, available
through resellers
• Project management
• Site survey, configuration, and
deployment
• Installation, text, and cutover
• Training
• Major moves, adds, and changes
• Design review and product staging
• Supplements existing staff
• Ensures functions meet needs
• Mitigates risk
Cisco SMARTnet and SMARTnet
Onsite, available direct from Cisco
Cisco Packaged SMARTnet, available
through resellers
• 24-hour access to software
updates
• Web access to technical
repositories
• Telephone support through the
Cisco Technical Assistance Center
(TAC)
• Advance replacement of hardware
parts
• Enables proactive or expedited
issue resolution
• Lowers TCO by taking advantage
of Cisco expertise and knowledge
• Minimizes network downtime
Advanced Services
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Ordering Information
Part Number
Description
WS-C3750G-24TS-E
•
•
•
•
•
•
•
24 Ethernet 10/100/1000 ports and 4 SFP-based Gigabit Ethernet ports
32-Gbps, high-speed stacking bus
Innovative stacking technology
1.5 rack units (RU) stackable, multilayer switch
Enterprise-class intelligent services delivered to the network edge
EMI installed
Full dynamic IP routing
WS-C3750G-24TS-S
•
•
•
•
•
•
•
24 Ethernet 10/100/1000 ports and 4 SFP-based Gigabit Ethernet ports
32-Gbps, high-speed stacking bus
Innovative stacking technology
1.5 RU stackable, multilayer switch
Enterprise-class intelligent services delivered to the network edge
Standard Multilayer Software Image (SMI) installed
Basic RIP and static routing, upgradable to full dynamic IP routing
WS-C3750G-24T-E
•
•
•
•
•
•
•
24 Ethernet 10/100/1000 ports
32-Gbps, high-speed stacking bus
Innovative stacking technology
1 RU stackable, multilayer switch
Enterprise-class intelligent services delivered to the network edge
EMI installed
Full dynamic IP routing
WS-C3750G-24T-S
•
•
•
•
•
•
•
24 Ethernet 10/100/1000 ports
32-Gbps, high-speed stacking bus
Innovative stacking technology
1 RU stackable, multilayer switch
Enterprise-class intelligent services delivered to the network edge
SMI installed
Basic RIP and static routing, upgradable to full dynamic IP routing
WS-C3750G-12S-E
•
•
•
•
•
•
12 SFP-based Gigabit Ethernet ports
32-Gbps, high-speed stacking bus
Innovative stacking technology
1 rack unit (RU) stackable multilayer switch
Delivers enterprise-class intelligent services to the network edge
EMI installed Provides full dynamic IP routing
WS-C3750G-12S-S
•
•
•
•
•
•
•
12 SFP-based Gigabit Ethernet ports
32-Gbps, high-speed stacking bus
Innovative stacking technology
1 rack unit (RU) stackable multilayer switch
Delivers enterprise-class intelligent services to the network edge
SMI installed
SMI provides basic RIP and static routing, upgradable to full dynamic IP routing
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Part Number
Description
WS-C3750-48TS-E
•
•
•
•
•
•
•
48 Ethernet 10/100 ports and 4 SFP-based Gigabit Ethernet ports
32-Gbps, high-speed stacking bus
Innovative stacking technology
1 RU stackable, multilayer switch
Enterprise-class intelligent services delivered to the network edge
EMI installed
Provides full dynamic IP routing
WS-C3750-48TS-S
•
•
•
•
•
•
•
48 Ethernet 10/100 ports and 4 SFP-based Gigabit Ethernet ports
32-Gbps, high-speed stacking bus
Innovative stacking technology
1 RU stackable, multilayer switch
Enterprise-class intelligent services delivered to the network edge
SMI installed
Basic RIP and static routing, upgradable to full dynamic IP routing
WS-C3750-24TS-E
•
•
•
•
•
•
•
24 Ethernet 10/100 ports and 2 SFP-based Gigabit Ethernet ports
32-Gbps, high-speed stacking bus
Innovative stacking technology
1 RU stackable, multilayer switch
Enterprise-class intelligent services delivered to the network edge
EMI installed
Full dynamic IP routing
WS-C3750-24TS-S
• EMI upgrade kit for standard versions of the Cisco Catalyst 3750G-24TS, 3750G-24T,
3750-48TS, and 3750-24TS switches
• Advanced IP routing
PWR675-AC-RPS-N1=
Cisco Redundant Power System 675 (RPS 675) with 1 connector cable
CAB-RPS-1614=
1.2 meter cable for Cisco RPS 675 to external device connection
CD-3750G-EMI=
• Enhanced Multilayer Software Image (EMI) upgrade kit for standard versions of the
Catalyst 3750G-24TS, 3750G-24T, 3750G-12S switches
• Provides advanced IP routing
CD-3750-EMI=
• Enhanced Multilayer Software Image (EMI) upgrade kit for standard versions of the
Catalyst 3750-48TS, 3750-24TS switches
• Provides advanced IP routing
CAB-STACK-50CM=
Cisco StackWise 50CM Stacking Cable
CAB-STACK-1M=
Cisco StackWise 1M Stacking Cable
CAB-STACK-3M=
Cisco StackWise 3M Stacking Cable
RCKMNT-3550-1.5RU=
Spare rack mount kit for the Catalyst 3750G-24TS
RCKMNT-1RU=
Spare rack mount kit for the Catalyst 3750-24TS, 3750-48TS, 3750G-24T
RCKMNT-REC-1.5RU=
1.5RU recessed rack mount kit for the Catalyst 2970, 3550, 3750
RCKMNT-REC-1RU=
1RU recessed rack mount kit for the Catalyst 2970, 3550, 3750
GLC-LH-SM=
GE SFP, LC connector LH transceiver
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Part Number
Description
GLC-SX-MM=
GE SFP, LC connector SX transceiver
GLC-ZX-SM=
GE SFP, LC connector ZX transceiver
GLC-T=
GE SFP, RJ45 connector, 10/100/1000BT transceiver
CWDM-SFP-1470= *
Cisco CWDM SFP 1470 nm; Gigabit Ethernet and 1G/2G FC (Grey)
CWDM-SFP-1490= *
Cisco CWDM SFP 1490 nm; Gigabit Ethernet and 1G/2G FC (Violet)
CWDM-SFP-1510= *
Cisco CWDM SFP 1510 nm; Gigabit Ethernet and 1G/2G FC (Blue)
CWDM-SFP-1530= *
Cisco CWDM SFP 1530 nm; Gigabit Ethernet and 1G/2G FC (Green)
CWDM-SFP-1550= *
Cisco CWDM SFP 1550 nm; Gigabit Ethernet and 1G/2G FC (Yellow)
CWDM-SFP-1570= *
Cisco CWDM SFP 1570 nm; Gigabit Ethernet and 1G/2G FC (Orange)
CWDM-SFP-1590= *
Cisco CWDM SFP 1590 nm; Gigabit Ethernet and 1G/2G FC (Red)
CWDM-SFP-1610= *
Cisco CWDM SFP 1610 nm; Gigabit Ethernet and 1G/2G FC (Brown)
CSS5-CABLX-LCSC=
CSS11500 10-Meter Fiber Single Mode LX LC-to-SC Connectors
CSS5-CABSX-LC=
CSS11500 10-Meter Fiber Multimode SX LC Connectors
CSS5-CABSX-LCSC=
CSS11500 10-Meter Fiber Multimode SX LC-to-SC Connectors
CAB-SM-LCSC-1M
1-Meter Fiber Singlemode LC-to-SC Connectors
CAB-SM-LCSC-5M
5-Meter Fiber Singlemode LC-to-SC Connectors
* Check 3750 bulletins for TAC supported SFPs
For more information about Cisco products, contact:
• United States and Canada: (toll free) 800 553-NETS (6387)
• Europe: 32 2 778 4242
• Australia: 612 9935 4107
• Other: 408 526-7209
• World Wide Web URL: http://www.cisco.com
Corporate Headquarters
Cisco Systems, Inc.
170 West Tasman Drive
San Jose, CA 95134-1706
USA
www.cisco.com
Tel: 408 526-4000
800 553-NETS (6387)
Fax: 408 526-4100
European Headquarters
Cisco Systems International BV
Haarlerbergpark
Haarlerbergweg 13-19
1101 CH Amsterdam
The Netherlands
www-europe.cisco.com
Tel: 31 0 20 357 1000
Fax: 31 0 20 357 1100
Americas Headquarters
Cisco Systems, Inc.
170 West Tasman Drive
San Jose, CA 95134-1706
USA
www.cisco.com
Tel: 408 526-7660
Fax: 408 527-0883
Asia Pacific Headquarters
Cisco Systems, Inc.
Capital Tower
168 Robinson Road
#22-01 to #29-01
Singapore 068912
www.cisco.com
Tel: +65 6317 7777
Fax: +65 6317 7799
Cisco Systems has more than 200 offices in the following countries and regions. Addresses, phone numbers, and fax numbers are listed on the
Cisco Web site at www.cisco.com/go/offices
Argentina • Australia • Austria • Belgium • Brazil • Bulgaria • Canada • Chile • China PRC • Colombia • Costa Rica • Croatia
Czech Republic • Denmark • Dubai, UAE • Finland • France • Germany • Greece • Hong Kong SAR • Hungary • India • Indonesia • Ireland
Israel • Italy • Japan • Korea • Luxembourg • Malaysia • Mexico • The Netherlands • New Zealand • Norway • Peru • Philippines • Poland
Portugal • Puerto Rico • Romania • Russia • Saudi Arabia • Scotland • Singapore • Slovakia • Slovenia • South Africa • Spain • Sweden
S w i t z e r l a n d • Ta i w a n • T h a i l a n d • Tu r k e y • U k r a i n e • U n i t e d K i n g d o m • U n i t e d S t a t e s • Ve n e z u e l a • Vi e t n a m • Z i m b a b w e
All contents are Copyright © 1992–2003 Cisco Systems, Inc. All rights reserved. CCIP, CCSP, the Cisco Arrow logo, the Cisco Powered Network mark, Cisco Unity, Follow Me Browsing, FormShare, and StackWise are
trademarks of Cisco Systems, Inc.; Changing the Way We Work, Live, Play, and Learn, and iQuick Study are service marks of Cisco Systems, Inc.; and Aironet, ASIST, BPX, Catalyst, CCDA, CCDP, CCIE, CCNA, CCNP,
Cisco, the Cisco Certified Internetwork Expert logo, Cisco IOS, the Cisco IOS logo, Cisco Press, Cisco Systems, Cisco Systems Capital, the Cisco Systems logo, Empowering the Internet Generation, Enterprise/Solver,
EtherChannel, EtherSwitch, Fast Step, GigaStack, Internet Quotient, IOS, IP/TV, iQ Expertise, the iQ logo, iQ Net Readiness Scorecard, LightStream, MGX, MICA, the Networkers logo, Networking Academy, Network
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TransPath, and VCO are registered trademarks of Cisco Systems, Inc. and/or its affiliates in the U.S. and certain other countries.
All other trademarks mentioned in this document or Web site are the property of their respective owners. The use of the word partner does not imply a partnership relationship between Cisco and any other company.
(0304R)
ETMG 203070—EB 08/03
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