Configuration Guide
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... Cisco IOS CNS Agent 4-9 Enabling an Initial Configuration 4-9 Enabling a Partial Configuration 4-11 Displaying CNS Configuration 4-12 Managing Switch Stacks 5-1 Understanding Switch Stacks 5-1 Switch Stack Membership 5-3 Stack Master Election and Re-Election 5-4 Switch Stack Bridge ID and Router MAC Address 5-6 Stack Member Numbers 5-6 Stack Member Priority Values 5-7 Switch Stack Offline Configuration 5-7 Effects of Adding a Provisioned Switch to a Switch Stack 5-8 Effects of Replacing a Provisioned Switch in a Switch Stack 5-9 Effects of Removing a Provisioned Switch from a Switch Stack...
... Cisco IOS CNS Agent 4-9 Enabling an Initial Configuration 4-9 Enabling a Partial Configuration 4-11 Displaying CNS Configuration 4-12 Managing Switch Stacks 5-1 Understanding Switch Stacks 5-1 Switch Stack Membership 5-3 Stack Master Election and Re-Election 5-4 Switch Stack Bridge ID and Router MAC Address 5-6 Stack Member Numbers 5-6 Stack Member Priority Values 5-7 Switch Stack Offline Configuration 5-7 Effects of Adding a Provisioned Switch to a Switch Stack 5-8 Effects of Replacing a Provisioned Switch in a Switch Stack 5-9 Effects of Removing a Provisioned Switch from a Switch Stack...
Configuration Guide
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...43-3 Procedure with Password Recovery Enabled 43-4 Procedure with Password Recovery Disabled 43-6 Preventing Switch Stack Problems 43-7 Recovering from a Command Switch Failure 43-8 Replacing a Failed Command Switch with a Cluster Member 43-9 Replacing a Failed Command Switch with Another Switch 43-11 Recovering from Lost Cluster Member Connectivity 43-12 Preventing Autonegotiation Mismatches 43-12 ... Traceroute 43-16 Understanding Layer 2 Traceroute 43-16 Usage Guidelines 43-16 Displaying the Physical Path 43-17 Contents OL-8550-02 Catalyst 3750 Switch Software Configuration Guide xxxvii
...43-3 Procedure with Password Recovery Enabled 43-4 Procedure with Password Recovery Disabled 43-6 Preventing Switch Stack Problems 43-7 Recovering from a Command Switch Failure 43-8 Replacing a Failed Command Switch with a Cluster Member 43-9 Replacing a Failed Command Switch with Another Switch 43-11 Recovering from Lost Cluster Member Connectivity 43-12 Preventing Autonegotiation Mismatches 43-12 ... Traceroute 43-16 Understanding Layer 2 Traceroute 43-16 Usage Guidelines 43-16 Displaying the Physical Path 43-17 Contents OL-8550-02 Catalyst 3750 Switch Software Configuration Guide xxxvii
Configuration Guide
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... each stack member to configure complex features such as VLAN and QoS settings, inventory and statistic reports, link- Provisioning a new member for - OL-8550-02 Catalyst 3750 Switch Software ...replacing switches in advance the interface configuration for a specific stack member number and for a specific switch type of the stack. Accomplishing multiple configuration tasks from a single graphical interface without disrupting the operation of the stack. - Applying actions to automatically load images from the stack master or from the LEDs on the physical LEDs. • Cisco...
... each stack member to configure complex features such as VLAN and QoS settings, inventory and statistic reports, link- Provisioning a new member for - OL-8550-02 Catalyst 3750 Switch Software ...replacing switches in advance the interface configuration for a specific stack member number and for a specific switch type of the stack. Accomplishing multiple configuration tasks from a single graphical interface without disrupting the operation of the stack. - Applying actions to automatically load images from the stack master or from the LEDs on the physical LEDs. • Cisco...
Configuration Guide
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...) • On the Catalyst 3750G Integrated Wireless LAN Controller Switch only, an integrated Catalyst 3750 switch and Cisco 4400 series wireless LAN controller that supports up to 25 or 50 lightweight access points Availability and Redundancy Features These are the availability and redundancy features: • HSRP for command switch and Layer 3 router redundancy • Automatic stack master re-election for replacing stack masters that the switch uses • Configuration...
...) • On the Catalyst 3750G Integrated Wireless LAN Controller Switch only, an integrated Catalyst 3750 switch and Cisco 4400 series wireless LAN controller that supports up to 25 or 50 lightweight access points Availability and Redundancy Features These are the availability and redundancy features: • HSRP for command switch and Layer 3 router redundancy • Automatic stack master re-election for replacing stack masters that the switch uses • Configuration...
Configuration Guide
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...Catalyst 3750 Switch Software Configuration Guide 3-4 OL-8550-02 If the DHCP server is broadcast so that all other DHCP servers that received the DHCPDISCOVER broadcast message from the switch stack. Figure 3-1 Switch...switch stack and the DHCP, DNS, and TFTP servers. The DHCP server for the IP address, and so forth) to configure the DHCP server for various lease options associated with IP addresses. DHCP-based autoconfiguration replaces... IP address, a lease for your switch, the DHCP client is not present on a different LAN than the switch. DHCP Client Request Process When you ...
...Catalyst 3750 Switch Software Configuration Guide 3-4 OL-8550-02 If the DHCP server is broadcast so that all other DHCP servers that received the DHCPDISCOVER broadcast message from the switch stack. Figure 3-1 Switch...switch stack and the DHCP, DNS, and TFTP servers. The DHCP server for the IP address, and so forth) to configure the DHCP server for various lease options associated with IP addresses. DHCP-based autoconfiguration replaces... IP address, a lease for your switch, the DHCP client is not present on a different LAN than the switch. DHCP Client Request Process When you ...
Configuration Guide
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... cabling and powering switch stacks, see the "Switch Stack Offline Configuration" section on Cisco.com. Press the Mode button on a stack member until the Stack mode LED is a set of the re-elected stack master. • Removing powered-on stack members causes the switch stack to remain separate, change their StackWise ports. OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 5-3 A switch stack always has...
... cabling and powering switch stacks, see the "Switch Stack Offline Configuration" section on Cisco.com. Press the Mode button on a stack member until the Stack mode LED is a set of the re-elected stack master. • Removing powered-on stack members causes the switch stack to remain separate, change their StackWise ports. OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 5-3 A switch stack always has...
Configuration Guide
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...-down . Chapter 5 Managing Switch Stacks Understanding Switch Stacks Table 5-1 Results of Comparing the Provisioned Configuration with the Provisioned Switch (continued) Scenario The stack member number of the provisioned switch is running Cisco IOS Release 12.2(20)SE or later and you add a provisioned switch that matches the new switch. Effects of Replacing a Provisioned Switch in a Switch Stack When a provisioned switch in a switch stack fails, is a different type...
...-down . Chapter 5 Managing Switch Stacks Understanding Switch Stacks Table 5-1 Results of Comparing the Provisioned Configuration with the Provisioned Switch (continued) Scenario The stack member number of the provisioned switch is running Cisco IOS Release 12.2(20)SE or later and you add a provisioned switch that matches the new switch. Effects of Replacing a Provisioned Switch in a Switch Stack When a provisioned switch in a switch stack fails, is a different type...
Configuration Guide
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...switch stack. When a new, out-of-box switch joins a switch stack, it with the stack member number. If a stack member fails and you replace with it uses the system-level settings of provisioning a switch stack, see Appendix C, "Working with Cisco Network Assistant, available on Cisco.com • "MAC Addresses and Switch Stacks... switch stacks: • "Planning and Creating Clusters" chapter in the "Stack Member Numbers" section on page 34-10 OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 5-15 The interface-specific configuration of each stack member is replaced ...
...switch stack. When a new, out-of-box switch joins a switch stack, it with the stack member number. If a stack member fails and you replace with it uses the system-level settings of provisioning a switch stack, see Appendix C, "Working with Cisco Network Assistant, available on Cisco.com • "MAC Addresses and Switch Stacks... switch stacks: • "Planning and Creating Clusters" chapter in the "Stack Member Numbers" section on page 34-10 OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 5-15 The interface-specific configuration of each stack member is replaced ...
Configuration Guide
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... image or IP services image software, fails and is replaced by having two devices with the same IP address in your network, change the IP address or addresses of the switch that is running a noncryptographic version of one or more stack members. 5-16 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 You can use...
... image or IP services image software, fails and is replaced by having two devices with the same IP address in your network, change the IP address or addresses of the switch that is running a noncryptographic version of one or more stack members. 5-16 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 You can use...
Configuration Guide
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...Integrated Clients, and Supported Versions, page 9-38 • Limitations, page 9-39 Note The SSH connection to the switch stack can use an SSH client to connect to a device. SSH Servers, Integrated...stack master. SSH provides more security for Cisco IOS Release 12.2 at this release and with non-Cisco SSH clients. The switch supports an SSHv1 client. We recommend that a switch...based user authentication. 9-38 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 Configuring the Switch for Secure Shell Chapter 9 Configuring Switch-Based Authentication For SSH configuration ...
...Integrated Clients, and Supported Versions, page 9-38 • Limitations, page 9-39 Note The SSH connection to the switch stack can use an SSH client to connect to a device. SSH Servers, Integrated...stack master. SSH provides more security for Cisco IOS Release 12.2 at this release and with non-Cisco SSH clients. The switch supports an SSHv1 client. We recommend that a switch...based user authentication. 9-38 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 Configuring the Switch for Secure Shell Chapter 9 Configuring Switch-Based Authentication For SSH configuration ...
Configuration Guide
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...leaves or is replaced with the RADIUS server is required. IEEE 802.1x Host Mode You can attach multiple hosts to a single IEEE 802.1x-enabled port. If the port becomes 10-8 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 This statement also applies if the stack master is not ...to down , and the port returns to the RADIUS server, you should ensure that if the stack master fails, a stack member becomes the new stack master by using the election process described in a wireless LAN. If the link state of the attached clients must be authorized for multiple-hosts mode. If...
...leaves or is replaced with the RADIUS server is required. IEEE 802.1x Host Mode You can attach multiple hosts to a single IEEE 802.1x-enabled port. If the port becomes 10-8 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 This statement also applies if the stack master is not ...to down , and the port returns to the RADIUS server, you should ensure that if the stack master fails, a stack member becomes the new stack master by using the election process described in a wireless LAN. If the link state of the attached clients must be authorized for multiple-hosts mode. If...
Configuration Guide
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...tag 40 is removed, the well-known MAC address is replaced with the respective Layer 2 protocol MAC address, and the packet is sent to edge switches in the service-provider network. In this configuration information:...the packet and forwards it to the appropriate destination port. In a stack, packets received by the stack master and distributed to all stack members. None set . If none is configured, the default is the...as the destination MAC address. OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 17-11 You can also enable Layer 2 protocol tunneling on access ports on...
...tag 40 is removed, the well-known MAC address is replaced with the respective Layer 2 protocol MAC address, and the packet is sent to edge switches in the service-provider network. In this configuration information:...the packet and forwards it to the appropriate destination port. In a stack, packets received by the stack master and distributed to all stack members. None set . If none is configured, the default is the...as the destination MAC address. OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 17-11 You can also enable Layer 2 protocol tunneling on access ports on...
Configuration Guide
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...relay agent information DHCP relay agent forwarding policy Default Setting Enabled in the stack master are dropped)2 Replace the existing relay agent information2 22-8 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 DHCP Snooping and Switch Stacks DHCP snooping is managed on the system. • The interface is ... Snooping and Option 82, page 22-12 • Enabling DHCP Snooping on Private VLANs, page 22-14 • Enabling the Cisco IOS DHCP Server Database, page 22-14 • Enabling the DHCP Snooping Binding Database Agent, page 22-15 Default DHCP Configuration Table...
...relay agent information DHCP relay agent forwarding policy Default Setting Enabled in the stack master are dropped)2 Replace the existing relay agent information2 22-8 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 DHCP Snooping and Switch Stacks DHCP snooping is managed on the system. • The interface is ... Snooping and Option 82, page 22-12 • Enabling DHCP Snooping on Private VLANs, page 22-14 • Enabling the Cisco IOS DHCP Server Database, page 22-14 • Enabling the DHCP Snooping Binding Database Agent, page 22-15 Default DHCP Configuration Table...
Configuration Guide
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...replaceable unit (FRU) control traps. Generates a trap for VLAN Trunking Protocol (VTP) changes. You can also set a maximum trap rate per second. the default is removed or inserted (physical removal, power cycle, or reload). You can enable any or all of a switch in the stack... is 0, which would cause a trap to the insertion or removal of these traps: Cisco specific, errors, link... for Open Shortest Path First (OSPF) changes. OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 31-13 Generates a trap for TCP connections. ...
...replaceable unit (FRU) control traps. Generates a trap for VLAN Trunking Protocol (VTP) changes. You can also set a maximum trap rate per second. the default is removed or inserted (physical removal, power cycle, or reload). You can enable any or all of a switch in the stack... is 0, which would cause a trap to the insertion or removal of these traps: Cisco specific, errors, link... for Open Shortest Path First (OSPF) changes. OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 31-13 Generates a trap for TCP connections. ...
Configuration Guide
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... must also configure a switch database management (SDM) template to a switch stack. Unless otherwise noted, the term switch refers to a standalone switch and to a dual IPv4 and IPv6 template. See the "SDM Templates" section on page 36-22 Understanding IPv6 The primary reason for using IPv6 is orderable from Cisco. 36 C H A P T E R Configuring IPv6 Unicast Routing Internet Protocol...
... must also configure a switch database management (SDM) template to a switch stack. Unless otherwise noted, the term switch refers to a standalone switch and to a dual IPv4 and IPv6 template. See the "SDM Templates" section on page 36-22 Understanding IPv6 The primary reason for using IPv6 is orderable from Cisco. 36 C H A P T E R Configuring IPv6 Unicast Routing Internet Protocol...
Configuration Guide
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These sections are optional. Multicast addresses replace the use two colons (::) to represent successive hexadecimal fields of... addresses and the use this URL: http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122newft/122t/122t13/ipv6_vgf.htm 36-2 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 This is an...page 36-3 • Unsupported IPv6 Unicast Routing Features, page 36-6 • Limitations, page 36-7 • IPv6 and Switch Stacks, page 36-7 • SDM Templates, page 36-8 IPv6 Addresses IPv6 supports three types of addresses: unicast (one-to...
These sections are optional. Multicast addresses replace the use two colons (::) to represent successive hexadecimal fields of... addresses and the use this URL: http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122newft/122t/122t13/ipv6_vgf.htm 36-2 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 This is an...page 36-3 • Unsupported IPv6 Unicast Routing Features, page 36-6 • Limitations, page 36-7 • IPv6 and Switch Stacks, page 36-7 • SDM Templates, page 36-8 IPv6 Addresses IPv6 supports three types of addresses: unicast (one-to...
Configuration Guide
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... the exact same configuration as standalone switches through their StackWise ports. 3. However, you replace a stack member with an identical model, the new switch functions with Cisco Network Assistant, available on stack members causes the switch stack to the stack master. If you need to remotely troubleshoot the switch stack. If you add, remove, or rearrange switches later. The last two port LEDs...
... the exact same configuration as standalone switches through their StackWise ports. 3. However, you replace a stack member with an identical model, the new switch functions with Cisco Network Assistant, available on stack members causes the switch stack to the stack master. If you need to remotely troubleshoot the switch stack. If you add, remove, or rearrange switches later. The last two port LEDs...
Configuration Guide
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...been deleted. You can download a switch image file from an existing stack member to download and upload software image files. OL-8550-02 Catalyst 3750 Switch Software Configuration Guide C-19 Software images downloaded to the stack master are automatically downloaded to upgrade the switch software. Beginning in case of a ...Configuration File To clear the contents of your switch. Note Instead of an image with Cisco IOS release 12.2(35)SE, you can replace the current image with the new one or keep the current image in the stack that has an incompatible software image, use ...
...been deleted. You can download a switch image file from an existing stack member to download and upload software image files. OL-8550-02 Catalyst 3750 Switch Software Configuration Guide C-19 Software images downloaded to the stack master are automatically downloaded to upgrade the switch software. Beginning in case of a ...Configuration File To clear the contents of your switch. Note Instead of an image with Cisco IOS release 12.2(35)SE, you can replace the current image with the new one or keep the current image in the stack that has an incompatible software image, use ...
Configuration Guide
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... server configuring 9-46 displaying 9-48 secure MAC addresses and switch stacks 25-17 deleting 25-14 maximum number of 25-9 types of 25-8 secure ports and switch stacks 25-17 configuring 25-8 secure remote connections 9-38 Secure ...17-8 Layer 2 protocol tunneling for EtherChannels 17-9 set-request operation 31-5 setup program failed command switch replacement 43-11 replacing failed command switch 43-9 severity levels, defining in system messages 30-9 SFPs monitoring status of 11-29, 43-...See SNMP small form-factor pluggable modules See SFPs Catalyst 3750 Switch Software Configuration Guide IN-41
... server configuring 9-46 displaying 9-48 secure MAC addresses and switch stacks 25-17 deleting 25-14 maximum number of 25-9 types of 25-8 secure ports and switch stacks 25-17 configuring 25-8 secure remote connections 9-38 Secure ...17-8 Layer 2 protocol tunneling for EtherChannels 17-9 set-request operation 31-5 setup program failed command switch replacement 43-11 replacing failed command switch 43-9 severity levels, defining in system messages 30-9 SFPs monitoring status of 11-29, 43-...See SNMP small form-factor pluggable modules See SFPs Catalyst 3750 Switch Software Configuration Guide IN-41
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... 5-6 priority value 5-7 provisioning a new member 5-23 replacing 5-15 See also stacks, switch stack member number 11-10 stack protocol version 5-10 stacks, switch accessing CLI of specific member 5-25 assigning information member number 5-22 priority value 5-22 provisioning a new member 5-23 auto-advise 5-12 IN-44 Catalyst 3750 Switch Software Configuration Guide stacks, switch (continued) auto-copy 5-11 auto-extract 5-11...
... 5-6 priority value 5-7 provisioning a new member 5-23 replacing 5-15 See also stacks, switch stack member number 11-10 stack protocol version 5-10 stacks, switch accessing CLI of specific member 5-25 assigning information member number 5-22 priority value 5-22 provisioning a new member 5-23 auto-advise 5-12 IN-44 Catalyst 3750 Switch Software Configuration Guide stacks, switch (continued) auto-copy 5-11 auto-extract 5-11...