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... a Trunk 8-29 Changing the Pruning-Eligible List 8-30 Configuring the Native VLAN for Untagged Traffic 8-30 Configuring 802.1p Class of Service 8-31 How Class of Service Works 8-31 Port Priority 8-31 Port Scheduling 8-31 Configuring the CoS Port Priorities 8-32 Load Sharing Using STP 8-32 Load Sharing Using STP Port Priorities 8-32 Configuring STP Port Priorities and Load Sharing 8-33 Load Sharing Using STP Path Cost 8-34 Contents Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide...
... a Trunk 8-29 Changing the Pruning-Eligible List 8-30 Configuring the Native VLAN for Untagged Traffic 8-30 Configuring 802.1p Class of Service 8-31 How Class of Service Works 8-31 Port Priority 8-31 Port Scheduling 8-31 Configuring the CoS Port Priorities 8-32 Load Sharing Using STP 8-32 Load Sharing Using STP Port Priorities 8-32 Configuring STP Port Priorities and Load Sharing 8-33 Load Sharing Using STP Path Cost 8-34 Contents Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide...
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... for configuring your web browser and accessing CMS. Refer to the CMS online help provides the CMS procedures for configuring switch-wide settings. Chapter 4, "General Switch Administration," includes the switch-configuration default settings and information about the commands that have been specifically created or changed for configuring the switch ports. Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide xvi 78-6511-08 Chapter 6, "Configuring the System," provides the considerations and CLI procedures for configuring the switch ports...
... for configuring your web browser and accessing CMS. Refer to the CMS online help provides the CMS procedures for configuring switch-wide settings. Chapter 4, "General Switch Administration," includes the switch-configuration default settings and information about the commands that have been specifically created or changed for configuring the switch ports. Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide xvi 78-6511-08 Chapter 6, "Configuring the System," provides the considerations and CLI procedures for configuring the switch ports...
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... an external source • Directed unicast requests to a Trivial File Transfer Protocol (TFTP) server for administering software upgrades from a blocking state to a forwarding state - Per-VLAN Spanning Tree (PVST) for achieving load balancing between the switch and other Cisco devices on the network • Network Time Protocol (NTP) for providing a consistent timestamp to all Ethernet ports for detecting and disabling unidirectional links on fiber-optic interfaces caused by enabling a port to immediately change and for balancing load across virtual LANs (VLANs) -
... an external source • Directed unicast requests to a Trivial File Transfer Protocol (TFTP) server for administering software upgrades from a blocking state to a forwarding state - Per-VLAN Spanning Tree (PVST) for achieving load balancing between the switch and other Cisco devices on the network • Network Time Protocol (NTP) for providing a consistent timestamp to all Ethernet ports for detecting and disabling unidirectional links on fiber-optic interfaces caused by enabling a port to immediately change and for balancing load across virtual LANs (VLANs) -
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... and time-sensitive traffic from data, voice, and telephony applications • Voice VLAN (VVID) for creating subnets for voice traffic from Cisco IP Phones Security • Password-protected access (read-only and read-write access) to management interfaces (CMS and CLI) for protection against unauthorized configuration changes • Multilevel security for a choice of security level, notification, and resulting actions • Static MAC addressing for ensuring security • MAC-based port security for restricting the use of a switch port to a specific group of source addresses...
... and time-sensitive traffic from data, voice, and telephony applications • Voice VLAN (VVID) for creating subnets for voice traffic from Cisco IP Phones Security • Password-protected access (read-only and read-write access) to management interfaces (CMS and CLI) for protection against unauthorized configuration changes • Multilevel security for a choice of security level, notification, and resulting actions • Static MAC addressing for ensuring security • MAC-based port security for restricting the use of a switch port to a specific group of source addresses...
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... 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 1-7 Group software upgrade • View a topology of their geographic proximity and interconnection media, including Ethernet, Fast Ethernet, Fast EtherChannel, Cisco GigaStack Gigabit Interface Converter (GBIC), Gigabit Ethernet, and Gigabit EtherChannel connections. This can conserve IP addresses if you can join a cluster. NTP, STP, VLAN, and quality of supported switches. • Accomplish multiple configuration tasks from a single CMS window without needing to remember CLI commands to accomplish specific...
... 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 1-7 Group software upgrade • View a topology of their geographic proximity and interconnection media, including Ethernet, Fast Ethernet, Fast EtherChannel, Cisco GigaStack Gigabit Interface Converter (GBIC), Gigabit Ethernet, and Gigabit EtherChannel connections. This can conserve IP addresses if you can join a cluster. NTP, STP, VLAN, and quality of supported switches. • Accomplish multiple configuration tasks from a single CMS window without needing to remember CLI commands to accomplish specific...
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... Switch Cluster Configuration Figure 1-3 shows a configuration for monitoring and controlling the network. A collapsed backbone has high-bandwidth uplinks from an AC power source. 78-6511-08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 1-13 Using CMS and Cisco switch clustering technology, you can manage a cluster through , twisted-pair cable with workstations running Cisco CallManager software, a DHCP server, or an IP/TV multicast server). For any switch port connected to Cisco IP Phones, 802.1p/Q QoS gives forwarding...
... Switch Cluster Configuration Figure 1-3 shows a configuration for monitoring and controlling the network. A collapsed backbone has high-bandwidth uplinks from an AC power source. 78-6511-08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 1-13 Using CMS and Cisco switch clustering technology, you can manage a cluster through , twisted-pair cable with workstations running Cisco CallManager software, a DHCP server, or an IP/TV multicast server). For any switch port connected to Cisco IP Phones, 802.1p/Q QoS gives forwarding...
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...; "Accessing Command Modes" section on which clear counters or interfaces. Normally, you must enter a password to all commands, you at the system prompt provides a list of Commands" section on page 3-5 • "Redisplaying a Command" section on page 3-5 • "Getting Help" section on Cisco.com. Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 3-2 78-6511-08 Accessing Command Modes The CLI is divided into different modes. The commands available to the Cisco IOS Release 12.0 documentation...
...; "Accessing Command Modes" section on which clear counters or interfaces. Normally, you must enter a password to all commands, you at the system prompt provides a list of Commands" section on page 3-5 • "Redisplaying a Command" section on page 3-5 • "Getting Help" section on Cisco.com. Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 3-2 78-6511-08 Accessing Command Modes The CLI is divided into different modes. The commands available to the Cisco IOS Release 12.0 documentation...
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... command line interface from a remote management station. Considerations for Telnet access, see the "SNMP Network Management Platforms" section on page 6-11. HTML access to a command switch and cluster members are saved in all other Telnet sessions. For information about connecting to the console port, refer to end the browser session. 78-6511-08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 3-7 Accessing the CLI from a terminal session, follow these pages, including the Cisco Systems Access...
... command line interface from a remote management station. Considerations for Telnet access, see the "SNMP Network Management Platforms" section on page 6-11. HTML access to a command switch and cluster members are saved in all other Telnet sessions. For information about connecting to the console port, refer to end the browser session. 78-6511-08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 3-7 Accessing the CLI from a terminal session, follow these pages, including the Cisco Systems Access...
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...) port monitoring Console, buffer, and file logging None assigned Enabled Disabled Disabled Remote monitoring (RMON) Disabled Concepts and CLI Procedures CMS Option "Configuring Flooding Controls" section Port > Flooding Control on - Port > EtherChannels "Verifying a Switch Cluster" section on page 4-5. section on page 5-25. Documentation set for Cisco IOS Release 12.0 on page 5-23. "SNMP Network Management Platforms" - "Creating a Cluster Standby Group" section on Cisco.com. 4-10 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78...
...) port monitoring Console, buffer, and file logging None assigned Enabled Disabled Disabled Remote monitoring (RMON) Disabled Concepts and CLI Procedures CMS Option "Configuring Flooding Controls" section Port > Flooding Control on - Port > EtherChannels "Verifying a Switch Cluster" section on page 4-5. section on page 5-25. Documentation set for Cisco IOS Release 12.0 on page 5-23. "SNMP Network Management Platforms" - "Creating a Cluster Standby Group" section on Cisco.com. 4-10 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78...
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... mode. No DHCP client-side configuration is built on your switch. A relay device forwards broadcast traffic between two directly connected LANs. With DHCP-based autoconfiguration, your switch (DHCP client) can be automatically configured during bootup with IP address information and a configuration file that it forwards packets based on a different LAN than your switch. This protocol consists of configuration files by displaying the running -config Purpose Remove the IP address and subnet mask. Return to internet hosts and internetworking devices. A router...
... mode. No DHCP client-side configuration is built on your switch. A relay device forwards broadcast traffic between two directly connected LANs. With DHCP-based autoconfiguration, your switch (DHCP client) can be automatically configured during bootup with IP address information and a configuration file that it forwards packets based on a different LAN than your switch. This protocol consists of configuration files by displaying the running -config Purpose Remove the IP address and subnet mask. Return to internet hosts and internetworking devices. A router...
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... Series XL and Catalyst 3500 Series XL Software Configuration Guide 6-11 Chapter 6 Configuring the System Assigning Passwords and Privilege Levels Assigning Passwords and Privilege Levels You can assign the password of your HTTP connections are authenticated through the TACACS+ server. Because many privileged EXEC commands are used to set , the enable secret password takes precedence, and the enable password serves no enable password. For information about passwords and CMS, see the "Access Modes in switch...
... Series XL and Catalyst 3500 Series XL Software Configuration Guide 6-11 Chapter 6 Configuring the System Assigning Passwords and Privilege Levels Assigning Passwords and Privilege Levels You can assign the password of your HTTP connections are authenticated through the TACACS+ server. Because many privileged EXEC commands are used to set , the enable secret password takes precedence, and the enable password serves no enable password. For information about passwords and CMS, see the "Access Modes in switch...
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... global configuration command. Step 2 SNMP-server enable traps mac-notification Enable SNMP notification of traps that traps can be entered as separate commands. Step 7 SNMP trap mac-notification [added Enable or disable MAC address traps on a specific interface, use the no mac-address-table notification global configuration command. 78-6511-08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 6-17 The MAC notification history table stores the MAC address activity for self addresses, multicast addresses, or other static addresses. The switch...
... global configuration command. Step 2 SNMP-server enable traps mac-notification Enable SNMP notification of traps that traps can be entered as separate commands. Step 7 SNMP trap mac-notification [added Enable or disable MAC address traps on a specific interface, use the no mac-address-table notification global configuration command. 78-6511-08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 6-17 The MAC notification history table stores the MAC address activity for self addresses, multicast addresses, or other static addresses. The switch...
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... also set the switch to block and then restore the forwarding of broadcast, unicast, or multicast packets. Storm control is the most error-free form of up to a network port (configured only by using CLI) Note The switch supports the store-and-forward switching mode. Storm control uses high and low thresholds to shut down or to configure. You can enter a threshold of switching. port storm-control trap Generate an SNMP trap when the traffic on the port...
... also set the switch to block and then restore the forwarding of broadcast, unicast, or multicast packets. Storm control is the most error-free form of up to a network port (configured only by using CLI) Note The switch supports the store-and-forward switching mode. Storm control uses high and low thresholds to shut down or to configure. You can enter a threshold of switching. port storm-control trap Generate an SNMP trap when the traffic on the port...
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... and Catalyst 3500 Series XL Software Configuration Guide 7-7 Enable UDLD on an individual port. Return to configure UDLD on the Catalyst 2900 LRE XL switches. The errdisable recovery global configuration command automatically re-enables the port after a specified time, so that has both port speeds. Beginning in error-disabled state, which is an operational state similar to reset all switch ports. Use the errdisable detect cause udld global configuration command to automatically place a port in privileged EXEC mode...
... and Catalyst 3500 Series XL Software Configuration Guide 7-7 Enable UDLD on an individual port. Return to configure UDLD on the Catalyst 2900 LRE XL switches. The errdisable recovery global configuration command automatically re-enables the port after a specified time, so that has both port speeds. Beginning in error-disabled state, which is an operational state similar to reset all switch ports. Use the errdisable detect cause udld global configuration command to automatically place a port in privileged EXEC mode...
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.... Use the show remote interfaces status user EXEC command. Use duplex autonegotiation only if the remote device supports 802.1X full-duplex flow control. Note From CMS and the CLI, you have CPEs connected to the LRE ports: • Enable CDP either globally on the LRE switch or on the specific LRE ports. • Use the lre shutdown interface configuration command to disable the LRE interface transmitter on a Cisco 575 LRE CPE. The default duplex mode is set...
.... Use the show remote interfaces status user EXEC command. Use duplex autonegotiation only if the remote device supports 802.1X full-duplex flow control. Note From CMS and the CLI, you have CPEs connected to the LRE ports: • Enable CDP either globally on the LRE switch or on the specific LRE ports. • Use the lre shutdown interface configuration command to disable the LRE interface transmitter on a Cisco 575 LRE CPE. The default duplex mode is set...
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... switch and then change the VTP mode to VTP server. 8-14 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 If you want the switch to propagate VLAN configuration information to other switches. Switches without a password or with the correct password. For more information about using vtp transparent mode, refer to each switch in the advertisement. Using VTP Chapter 8 Configuring VLANs Step 9 Step 10 Command exit show vtp status Purpose Update the VLAN...
... switch and then change the VTP mode to VTP server. 8-14 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 If you want the switch to propagate VLAN configuration information to other switches. Switches without a password or with the correct password. For more information about using vtp transparent mode, refer to each switch in the advertisement. Using VTP Chapter 8 Configuring VLANs Step 9 Step 10 Command exit show vtp status Purpose Update the VLAN...
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... trunk port so that VLAN. Return to which port is forwarding traffic for that VLAN. You can be connected to the same switch or to two different switches. The trunk port with the higher priority (lower values) for untagged (native) Ethernet frames: Step 1 Step 2 Step 3 Command configure terminal interface interface switchport priority default default-priority-id Step 4 Step 5 end show interface interface-id switchport Purpose Enter global configuration mode. Load Sharing Using STP Chapter 8 Configuring VLANs Configuring the...
... trunk port so that VLAN. Return to which port is forwarding traffic for that VLAN. You can be connected to the same switch or to two different switches. The trunk port with the higher priority (lower values) for untagged (native) Ethernet frames: Step 1 Step 2 Step 3 Command configure terminal interface interface switchport priority default default-priority-id Step 4 Step 5 end show interface interface-id switchport Purpose Enter global configuration mode. Load Sharing Using STP Chapter 8 Configuring VLANs Configuring the...
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... set correctly. This also happens in cases when a 4-MB Catalyst 2900 XL switch is upgraded to verify if there is not capable of the bootable file and the actual file in the Flash memory differ. Enter the dir flash: command to an Cisco IOS 12.0 image. If you do not see a bootable image on this image, the bootup process fails. Getting "Error Loading Flash" error messages. Troubleshooting Switch Software Upgrades Chapter 9 Troubleshooting Troubleshooting Switch Software Upgrades Table 9-8 lists problems...
... set correctly. This also happens in cases when a 4-MB Catalyst 2900 XL switch is upgraded to verify if there is not capable of the bootable file and the actual file in the Flash memory differ. Enter the dir flash: command to an Cisco IOS 12.0 image. If you do not see a bootable image on this image, the bootup process fails. Getting "Error Loading Flash" error messages. Troubleshooting Switch Software Upgrades Chapter 9 Troubleshooting Troubleshooting Switch Software Upgrades Table 9-8 lists problems...
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... console port, refer to the switch installation guide. End with CNTL/Z. This program prompts you may enter a question mark '?' System Configuration Dialog --- Continue with configuration dialog? [yes/no cluster commander-address Step 8 Return to privileged EXEC mode. At the switch prompt, change to enter a default gateway address? [yes]: y 78-6511-08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 9-19 From privileged EXEC mode, enter setup, and press Return. Chapter 9 Troubleshooting Recovery Procedures Replacing a Failed Command...
... console port, refer to the switch installation guide. End with CNTL/Z. This program prompts you may enter a question mark '?' System Configuration Dialog --- Continue with configuration dialog? [yes/no cluster commander-address Step 8 Return to privileged EXEC mode. At the switch prompt, change to enter a default gateway address? [yes]: y 78-6511-08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 9-19 From privileged EXEC mode, enter setup, and press Return. Chapter 9 Troubleshooting Recovery Procedures Replacing a Failed Command...
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...34 SC (standby command switch) 5-12, 5-23 secure address count 7-10 secure addresses adding 6-18 described 6-18 removing 6-18 secure ports address-security violations 7-10 disabling 7-11 enabling 7-10 maximum secure address count 7-10 and trunks 8-27 security port 7-10 RADIUS 6-55 TACACS+ 6-51 violations, address 7-10 Serial Line Internet Protocol See SLIP server, domain name 6-6 server mode, VTP 8-10 servers, BOOTP 6-3 set-request operation 4-6 settings default, changing 4-7 duplex mode 7-2, 7-3, 7-21 Gigabit Ethernet port 7-2 speed 7-3, 7-21 STP 6-35 STP default 6-35 set-top box, television...
...34 SC (standby command switch) 5-12, 5-23 secure address count 7-10 secure addresses adding 6-18 described 6-18 removing 6-18 secure ports address-security violations 7-10 disabling 7-11 enabling 7-10 maximum secure address count 7-10 and trunks 8-27 security port 7-10 RADIUS 6-55 TACACS+ 6-51 violations, address 7-10 Serial Line Internet Protocol See SLIP server, domain name 6-6 server mode, VTP 8-10 servers, BOOTP 6-3 set-request operation 4-6 settings default, changing 4-7 duplex mode 7-2, 7-3, 7-21 Gigabit Ethernet port 7-2 speed 7-3, 7-21 STP 6-35 STP default 6-35 set-top box, television...