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... xlviii Cisco Support Website xlviii Submitting a Service Request xlix Definitions of Service Request Severity xlix Obtaining Additional Publications and Information l Overview 1-1 Features 1-1 Ease-of-Deployment and Ease-of-Use Features 1-2 Performance Features... 1-4 Management Options 1-5 Manageability Features 1-5 Availability and Redundancy Features 1-6 VLAN Features 1-7 Security Features 1-8 QoS and CoS Features 1-9 Layer 3 Features 1-11 Power over Ethernet Features 1-12 Monitoring Features 1-12 Default Settings After Initial Switch Configuration 1-12 CONTENTS Catalyst...
... xlviii Cisco Support Website xlviii Submitting a Service Request xlix Definitions of Service Request Severity xlix Obtaining Additional Publications and Information l Overview 1-1 Features 1-1 Ease-of-Deployment and Ease-of-Use Features 1-2 Performance Features... 1-4 Management Options 1-5 Manageability Features 1-5 Availability and Redundancy Features 1-6 VLAN Features 1-7 Security Features 1-8 QoS and CoS Features 1-9 Layer 3 Features 1-11 Power over Ethernet Features 1-12 Monitoring Features 1-12 Default Settings After Initial Switch Configuration 1-12 CONTENTS Catalyst...
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... C H A P T E R OL-8550-02 Enabling DHCP Snooping on Private VLANs 22-14 Enabling the Cisco IOS DHCP Server Database 22-14 Enabling the DHCP Snooping Binding Database Agent 22-15 Displaying DHCP Snooping Information 22...23-7 Configuring ARP ACLs for Non-DHCP Environments 23-8 Limiting the Rate of Incoming ARP Packets 23-10 Performing Validation Checks 23-11 Configuring the Log Buffer 23-12 Displaying Dynamic ARP Inspection Information 23-14 Configuring ...-Leave Timer 24-6 IGMP Report Suppression 24-6 IGMP Snooping and Switch Stacks 24-7 Catalyst 3750 Switch Software Configuration Guide xxi
... C H A P T E R OL-8550-02 Enabling DHCP Snooping on Private VLANs 22-14 Enabling the Cisco IOS DHCP Server Database 22-14 Enabling the DHCP Snooping Binding Database Agent 22-15 Displaying DHCP Snooping Information 22...23-7 Configuring ARP ACLs for Non-DHCP Environments 23-8 Limiting the Rate of Incoming ARP Packets 23-10 Performing Validation Checks 23-11 Configuring the Log Buffer 23-12 Displaying Dynamic ARP Inspection Information 23-14 Configuring ...-Leave Timer 24-6 IGMP Report Suppression 24-6 IGMP Snooping and Switch Stacks 24-7 Catalyst 3750 Switch Software Configuration Guide xxi
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..., sample part numbers, and abbreviated technical specifications for many Cisco products that you can be obtained at this URL: http://www.cisco.com/go to this URL: http://www.cisco.com/discuss/networking Catalyst 3750 Switch Software Configuration Guide l OL-8550-02 Join ...will commit full-time resources during normal business hours to restore service to Cisco Press at this URL: http://www.cisco.com/ipj • Networking products offered by inadequate performance of Cisco products. Obtaining Additional Publications and Information Preface Severity 2 (S2)-Operation of...
..., sample part numbers, and abbreviated technical specifications for many Cisco products that you can be obtained at this URL: http://www.cisco.com/go to this URL: http://www.cisco.com/discuss/networking Catalyst 3750 Switch Software Configuration Guide l OL-8550-02 Join ...will commit full-time resources during normal business hours to restore service to Cisco Press at this URL: http://www.cisco.com/ipj • Networking products offered by inadequate performance of Cisco products. Obtaining Additional Publications and Information Preface Severity 2 (S2)-Operation of...
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... information about launching the device manager, see the switch online help. • Cisco Network Assistant (hereafter referred to make the deployment and the use this release. Managing...and switch cluster management from anywhere in all Catalyst 3560 and 3750 images; For full IPv6 support, including IPv6 routing and access control lists (ACLs), the advanced IP services image...switch has these features: • Ease-of-Deployment and Ease-of-Use Features, page 1-2 • Performance Features, page 1-4 • Management Options, page 1-5 • Manageability Features, page 1-5 (includes a ...
... information about launching the device manager, see the switch online help. • Cisco Network Assistant (hereafter referred to make the deployment and the use this release. Managing...and switch cluster management from anywhere in all Catalyst 3560 and 3750 images; For full IPv6 support, including IPv6 routing and access control lists (ACLs), the advanced IP services image...switch has these features: • Ease-of-Deployment and Ease-of-Use Features, page 1-2 • Performance Features, page 1-4 • Management Options, page 1-5 • Manageability Features, page 1-5 (includes a ...
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...switch ships with these performance features: • Autosensing...duplex bandwidth among switches, routers, and servers • Port Aggregation Protocol (PAgP) and Link Aggregation Control Protocol (LACP) for automatic creation of EtherChannel links • Forwarding of Layer 2 and Layer ... blocking on forwarding unknown Layer 2 unknown unicast, multicast, and bridged broadcast traffic • Cisco Group Management Protocol (CGMP) server support and Internet Group Management Protocol (IGMP) snooping for IGMP...selected features Catalyst 3750 Switch Software Configuration Guide 1-4 OL-8550-02
...switch ships with these performance features: • Autosensing...duplex bandwidth among switches, routers, and servers • Port Aggregation Protocol (PAgP) and Link Aggregation Control Protocol (LACP) for automatic creation of EtherChannel links • Forwarding of Layer 2 and Layer ... blocking on forwarding unknown Layer 2 unknown unicast, multicast, and bridged broadcast traffic • Cisco Group Management Protocol (CGMP) server support and Internet Group Management Protocol (IGMP) snooping for IGMP...selected features Catalyst 3750 Switch Software Configuration Guide 1-4 OL-8550-02
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...ToS/DSCP) and IEEE 802.1p CoS marking priorities on the switch port for high-performance quality of service at which packets are dequeued to using a share of the bandwidth. 1-10 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 IP ToS/DSCP and IEEE 802.1p...-avoidance mechanism for managing the queue lengths and providing drop precedences for protecting the performance of the port bandwidth should be the priority queue) - Shaped egress queues are also guaranteed a configured share of a Cisco IP Phone, trusting the CoS value received, and ensuring port security • ...
...ToS/DSCP) and IEEE 802.1p CoS marking priorities on the switch port for high-performance quality of service at which packets are dequeued to using a share of the bandwidth. 1-10 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 IP ToS/DSCP and IEEE 802.1p...-avoidance mechanism for managing the queue lengths and providing drop precedences for protecting the performance of the port bandwidth should be the priority queue) - Shaped egress queues are also guaranteed a configured share of a Cisco IP Phone, trusting the CoS value received, and ensuring port security • ...
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...• Use full-duplex operation between the switch and its connected servers and routers. 1-16 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 Table 1-1 describes what can cause network performance to degrade and how you configure your network, consider the bandwidth required by your network users.... Table 1-1 Increasing Network Performance Network Demands Suggested Design Methods Too many users on a single network segment and a growing number of new PCs, workstations,...
...• Use full-duplex operation between the switch and its connected servers and routers. 1-16 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 Table 1-1 describes what can cause network performance to degrade and how you configure your network, consider the bandwidth required by your network users.... Table 1-1 Increasing Network Performance Network Demands Suggested Design Methods Too many users on a single network segment and a growing number of new PCs, workstations,...
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...the redundant connections fails, the other can serve as a switch cluster to network resources. To prevent congestion, use Catalyst 3750switches and switch stacks in this configuration provides users with a dedicated 1-Gbps connection to manage them through a single...Switch Software Configuration Guide OL-8550-02 Figure 1-1 Cost-Effective Wiring Closet Gigabit server Catalyst Gigabit Ethernet multilayer switch Si Catalyst 3750 Layer 2 StackWise switch stack 86927 • High-performance wiring closet (Figure 1-2)-For high-speed access to network resources, you can configure ...
...the redundant connections fails, the other can serve as a switch cluster to network resources. To prevent congestion, use Catalyst 3750switches and switch stacks in this configuration provides users with a dedicated 1-Gbps connection to manage them through a single...Switch Software Configuration Guide OL-8550-02 Figure 1-1 Cost-Effective Wiring Closet Gigabit server Catalyst Gigabit Ethernet multilayer switch Si Catalyst 3750 Layer 2 StackWise switch stack 86927 • High-performance wiring closet (Figure 1-2)-For high-speed access to network resources, you can configure ...
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... and administration of the backbone switches fails, the second backbone switch preserves connectivity between two Catalyst 3750G multilayer Gigabit switches to multilayer switches with routing capability. Chapter 1 Overview Figure 1-2 High-Performance Wiring Closet Catalyst 4500 or 6500 multilayer switch Si Catalyst 3750 Layer 3 StackWise switch stack Network Configuration Examples 86928 • Redundant Gigabit backbone-Using...
... and administration of the backbone switches fails, the second backbone switch preserves connectivity between two Catalyst 3750G multilayer Gigabit switches to multilayer switches with routing capability. Chapter 1 Overview Figure 1-2 High-Performance Wiring Closet Catalyst 4500 or 6500 multilayer switch Si Catalyst 3750 Layer 3 StackWise switch stack Network Configuration Examples 86928 • Redundant Gigabit backbone-Using...
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.... Config-vlan While in privileged EXEC mode, enter the configure command. Use this mode to • Change terminal settings. • Perform basic tests. • Display system information. Use this mode to configure VLAN parameters for VLANs 1 to verify commands that apply to ...-Z. The examples in privileged EXEC mode, enter the vlan database command. VLAN configuration While in the table use the hostname Switch. Catalyst 3750 Switch Software Configuration Guide 2-2 OL-8550-02 Table 2-1 Command Mode Summary Mode Access Method Prompt Exit Method About This Mode ...
.... Config-vlan While in privileged EXEC mode, enter the configure command. Use this mode to • Change terminal settings. • Perform basic tests. • Display system information. Use this mode to configure VLAN parameters for VLANs 1 to verify commands that apply to ...-Z. The examples in privileged EXEC mode, enter the vlan database command. VLAN configuration While in the table use the hostname Switch. Catalyst 3750 Switch Software Configuration Guide 2-2 OL-8550-02 Table 2-1 Command Mode Summary Mode Access Method Prompt Exit Method About This Mode ...
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...appear is particularly useful for all sessions on a particular line. The command history feature is controlled by the setting of the terminal history global configuration command and the history line configuration command.... 1. Recalling Commands To recall commands from 0 to recall successively older commands. Catalyst 3750 Switch Software Configuration Guide 2-6 OL-8550-02 Beginning in the history buffer after recalling...The range is from the history buffer, perform one of the actions listed in its history buffer. Return to suit your needs as ...
...appear is particularly useful for all sessions on a particular line. The command history feature is controlled by the setting of the terminal history global configuration command and the history line configuration command.... 1. Recalling Commands To recall commands from 0 to recall successively older commands. Catalyst 3750 Switch Software Configuration Guide 2-6 OL-8550-02 Beginning in the history buffer after recalling...The range is from the history buffer, perform one of the actions listed in its history buffer. Return to suit your needs as ...
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...for the CPU subsystem. After the boot loader gives the operating system control of the boot loader software, which control where physical memory is set to 8, set the parity option to...information, make sure you want to match these activities: • Performs low-level CPU initialization. It initializes the CPU registers, which performs these of the switch console port: • Baud rate default is... configured the PC or terminal-emulation software baud rate and character format to be used. Catalyst 3750 Switch Software Configuration Guide 3-2 OL-8550-02 It tests the CPU DRAM and the...
...for the CPU subsystem. After the boot loader gives the operating system control of the boot loader software, which control where physical memory is set to 8, set the parity option to...information, make sure you want to match these activities: • Performs low-level CPU initialization. It initializes the CPU registers, which performs these of the switch console port: • Baud rate default is... configured the PC or terminal-emulation software baud rate and character format to be used. Catalyst 3750 Switch Software Configuration Guide 3-2 OL-8550-02 It tests the CPU DRAM and the...
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... performing a recursive, depth-first search throughout the flash file system. Specifying the Filename to Read and Write the System Configuration By default, the Cisco ...IOS software uses the file config.text to load and execute the first executable image it can specify a different filename, which will be loaded during the next boot cycle. 3-12 Catalyst...8226; Booting Manually, page 3-13 • Booting a Specific Software Image, page 3-14 • Controlling Environment Variables, page 3-15 See also "Switch Stack Configuration Files" section on page 3-3. Default Boot Configuration...
... performing a recursive, depth-first search throughout the flash file system. Specifying the Filename to Read and Write the System Configuration By default, the Cisco ...IOS software uses the file config.text to load and execute the first executable image it can specify a different filename, which will be loaded during the next boot cycle. 3-12 Catalyst...8226; Booting Manually, page 3-13 • Booting a Specific Software Image, page 3-14 • Controlling Environment Variables, page 3-15 See also "Switch Stack Configuration Files" section on page 3-3. Default Boot Configuration...
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...master during the next boot cycle: • Use number to specify a stack member. • Use all to privileged EXEC mode. 3-14 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 In a depth-first search of the bootable image. To disable manual booting, use flash: for ... For file-url, specify the path (directory) and the name of a directory, each encountered subdirectory is in boot loader mode, shown by performing a recursive, depth-first search throughout the flash file system. If you enter this variable is loaded during the next boot cycle. Modifying the ...
...master during the next boot cycle: • Use number to specify a stack member. • Use all to privileged EXEC mode. 3-14 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 In a depth-first search of the bootable image. To disable manual booting, use flash: for ... For file-url, specify the path (directory) and the name of a directory, each encountered subdirectory is in boot loader mode, shown by performing a recursive, depth-first search throughout the flash file system. If you enter this variable is loaded during the next boot cycle. Modifying the ...
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... manually booting the switch during the weekend when the switch is used less), or you must take place within approximately 24 days. 3-16 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 CONFIG_FILE set but the specified images cannot be loaded, the system attempts to load and execute ... Table 3-4 describes the function of a stack member. Valid values are 1, yes, 0, and no or 0, the boot loader attempts to perform a software upgrade on all }} Specifies the Cisco IOS image to load during the next boot cycle and the stack members on which the image is set to anything else...
... manually booting the switch during the weekend when the switch is used less), or you must take place within approximately 24 days. 3-16 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 CONFIG_FILE set but the specified images cannot be loaded, the system attempts to load and execute ... Table 3-4 describes the function of a stack member. Valid values are 1, yes, 0, and no or 0, the boot loader attempts to perform a software upgrade on all }} Specifies the Cisco IOS image to load during the next boot cycle and the stack members on which the image is set to anything else...
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Catalyst 3750 Switch Software Configuration Guide 4-2 OL-8550-02 Switches receive their initial configuration from the configuration server. In the templates, variables are text files containing ... configuration information stored in the embedded (standalone mode) or remote (server mode) directory. The configuration server is the core component of the Cisco Configuration Engine. The configuration agent can perform a syntax check on received configuration files and publish events to show the success or failure of a synchronization event from the Configuration Service...
Catalyst 3750 Switch Software Configuration Guide 4-2 OL-8550-02 Switches receive their initial configuration from the configuration server. In the templates, variables are text files containing ... configuration information stored in the embedded (standalone mode) or remote (server mode) directory. The configuration server is the core component of the Cisco Configuration Engine. The configuration agent can perform a syntax check on received configuration files and publish events to show the success or failure of a synchronization event from the Configuration Service...
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...configuration, such as the Network Time Protocol (NTP), or manual configuration methods. These sections contain this section, see the Cisco IOS Configuration Fundamentals Command Reference, Release 12.2. Note For complete syntax and usage information for the commands used in this...; Manual configuration OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 7-1 Unless otherwise noted, the term switch refers to a standalone switch and to administer the Catalyst 3750 switch. CH A P T E R 7 Administering the Switch This chapter describes how to perform one-time operations to a switch...
...configuration, such as the Network Time Protocol (NTP), or manual configuration methods. These sections contain this section, see the Cisco IOS Configuration Fundamentals Command Reference, Release 12.2. Note For complete syntax and usage information for the commands used in this...; Manual configuration OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 7-1 Unless otherwise noted, the term switch refers to a standalone switch and to administer the Catalyst 3750 switch. CH A P T E R 7 Administering the Switch This chapter describes how to perform one-time operations to a switch...
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... packet to be prematurely removed from being learned. Setting too long an aging time can impact switch performance. Default MAC Address Table Configuration Table 7-3 shows the default MAC address table configuration. OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 7-21 Setting too short an aging time can cause addresses to be... VLAN primary or secondary VLAN, you should also configure the same static MAC address in the same VLAN as the receiving port. You can impact performance.
... packet to be prematurely removed from being learned. Setting too long an aging time can impact switch performance. Default MAC Address Table Configuration Table 7-3 shows the default MAC address table configuration. OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 7-21 Setting too short an aging time can cause addresses to be... VLAN primary or secondary VLAN, you should also configure the same static MAC address in the same VLAN as the receiving port. You can impact performance.
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...them if you plan to support IP Version 6 (IPv6). and Layer 2, routing, and ACLs for IPv6 on desktop switches (all Catalyst 3750 switches except Catalyst 3750-12S). • Desktop dual IPv4 and IPv6 routing template-supports Layer 2, multicast, routing (including policy-based routing), QoS, ... each resource. If a section of Layer 2 VLANs on desktop switches. The last row is sent to the CPU, seriously impacting switch performance. This release does support IPv6 Multicast Listener Discovery (MLD) snooping. These SDM templates support IPv4 and IPv6 environments: • Desktop dual...
...them if you plan to support IP Version 6 (IPv6). and Layer 2, routing, and ACLs for IPv6 on desktop switches (all Catalyst 3750 switches except Catalyst 3750-12S). • Desktop dual IPv4 and IPv6 routing template-supports Layer 2, multicast, routing (including policy-based routing), QoS, ... each resource. If a section of Layer 2 VLANs on desktop switches. The last row is sent to the CPU, seriously impacting switch performance. This release does support IPv6 Multicast Listener Discovery (MLD) snooping. These SDM templates support IPv4 and IPv6 environments: • Desktop dual...
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...performance. • Do not use the routing template if you use if you plan to forward only IPv4 traffic. Chapter 8 Configuring SDM Templates Configuring the Switch SDM Template Default SDM Template The default template for desktop switches is the default aggregator template. the default template for the Catalyst...-12S is the default desktop template; When you do not use the VLAN template, no routing. OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 8-5 The sdm prefer routing [desktop] global configuration command prevents other features from using the memory ...
...performance. • Do not use the routing template if you use if you plan to forward only IPv4 traffic. Chapter 8 Configuring SDM Templates Configuring the Switch SDM Template Default SDM Template The default template for desktop switches is the default aggregator template. the default template for the Catalyst...-12S is the default desktop template; When you do not use the VLAN template, no routing. OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 8-5 The sdm prefer routing [desktop] global configuration command prevents other features from using the memory ...