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...Configuration 14-7 Default Ethernet VLAN Configuration 14-8 Creating or Modifying an Ethernet VLAN 14-8 Deleting a VLAN 14-10 Assigning Static-Access Ports to a VLAN 14-11 Configuring Extended-Range VLANs 14-12 Default VLAN Configuration 14-12 Extended-Range VLAN Configuration Guidelines 14-12 ...Using STP Port Priorities 14-21 Load Sharing Using STP Path Cost 14-23 Configuring VMPS 14-24 Understanding VMPS 14-25 Dynamic Port VLAN Membership 14-25 VMPS Database Configuration File 14-26 Default VMPS Configuration 14-27 VMPS Configuration Guidelines 14-28 Catalyst 2950 Desktop Switch Software ...
...Configuration 14-7 Default Ethernet VLAN Configuration 14-8 Creating or Modifying an Ethernet VLAN 14-8 Deleting a VLAN 14-10 Assigning Static-Access Ports to a VLAN 14-11 Configuring Extended-Range VLANs 14-12 Default VLAN Configuration 14-12 Extended-Range VLAN Configuration Guidelines 14-12 ...Using STP Port Priorities 14-21 Load Sharing Using STP Path Cost 14-23 Configuring VMPS 14-24 Understanding VMPS 14-25 Dynamic Port VLAN Membership 14-25 VMPS Database Configuration File 14-26 Default VMPS Configuration 14-27 VMPS Configuration Guidelines 14-28 Catalyst 2950 Desktop Switch Software ...
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Contents 17 C H A P T E R Default Voice VLAN Configuration 16-2 Voice VLAN Configuration Guidelines 16-3 Configuring a Port to Connect to a Cisco 7960 IP Phone 16-3 Configuring Ports to Carry Voice Traffic in 802.1Q Frames 16-4 Configuring Ports to Carry Voice Traffic in 802.1P Priority Tagged Frames 16-4 Overriding the CoS Priority of Incoming Data Frames 16...-21 Configuring IGMP Profiles 17-21 Applying IGMP Profiles 17-22 Setting the Maximum Number of IGMP Groups 17-23 Displaying IGMP Filtering Configuration 17-24 Catalyst 2950 Desktop Switch Software Configuration Guide xvi 78-14982-01
Contents 17 C H A P T E R Default Voice VLAN Configuration 16-2 Voice VLAN Configuration Guidelines 16-3 Configuring a Port to Connect to a Cisco 7960 IP Phone 16-3 Configuring Ports to Carry Voice Traffic in 802.1Q Frames 16-4 Configuring Ports to Carry Voice Traffic in 802.1P Priority Tagged Frames 16-4 Overriding the CoS Priority of Incoming Data Frames 16...-21 Configuring IGMP Profiles 17-21 Applying IGMP Profiles 17-22 Setting the Maximum Number of IGMP Groups 17-23 Displaying IGMP Filtering Configuration 17-24 Catalyst 2950 Desktop Switch Software Configuration Guide xvi 78-14982-01
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... Classifying, Policing, and Marking Traffic by Using Policy Maps 26-21 Configuring CoS Maps 26-24 Configuring the CoS-to-DSCP Map 26-25 Configuring the DSCP-to-CoS Map 26-26 ...-30 Configuring EtherChannels 27-1 Understanding EtherChannels 27-1 Understanding Port-Channel Interfaces 27-2 Understanding the Port Aggregation Protocol 27-3 PAgP Modes 27-4 Physical Learners and Aggregate-Port Learners 27-5 PAgP Interaction with Other Features 27-5 ...from a Lost or Forgotten Password 28-6 Recovering from a Command Switch Failure 28-8 Catalyst 2950 Desktop Switch Software Configuration Guide xxi
... Classifying, Policing, and Marking Traffic by Using Policy Maps 26-21 Configuring CoS Maps 26-24 Configuring the CoS-to-DSCP Map 26-25 Configuring the DSCP-to-CoS Map 26-26 ...-30 Configuring EtherChannels 27-1 Understanding EtherChannels 27-1 Understanding Port-Channel Interfaces 27-2 Understanding the Port Aggregation Protocol 27-3 PAgP Modes 27-4 Physical Learners and Aggregate-Port Learners 27-5 PAgP Interaction with Other Features 27-5 ...from a Lost or Forgotten Password 28-6 Recovering from a Command Switch Failure 28-8 Catalyst 2950 Desktop Switch Software Configuration Guide xxi
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...configure the Spanning Tree Protocol (STP) on the switch. Chapter 24, "Configuring SNMP," describes how to be grouped into a spanning-tree instance. Chapter 10, "Configuring LRE," describes how to configure the Cisco implementation of messages sent, configure the UNIX server ...traps, set the aging time for managing VLANs. Catalyst 2950 Desktop Switch Software Configuration Guide xxvii Preface 78-14982-01 Organization Chapter 8, "Configuring 802.1X Port-Based Authentication," describes how to configure 802.1X port-based authentication to prevent unauthorized devices (clients) ...
...configure the Spanning Tree Protocol (STP) on the switch. Chapter 24, "Configuring SNMP," describes how to be grouped into a spanning-tree instance. Chapter 10, "Configuring LRE," describes how to configure the Cisco implementation of messages sent, configure the UNIX server ...traps, set the aging time for managing VLANs. Catalyst 2950 Desktop Switch Software Configuration Guide xxvii Preface 78-14982-01 Organization Chapter 8, "Configuring 802.1X Port-Based Authentication," describes how to configure 802.1X port-based authentication to prevent unauthorized devices (clients) ...
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... a switch port can be managed through a single IP address. - Note See the "Advantages of multicast groups to the command switch. • Hot Standby Router Protocol (HSRP) for this switch. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 1-3 Automatic discovery of candidate switches and creation... ensure retrieval of duplex mode on the 10/100 ports for optimizing bandwidth • IEEE 802.3X flow control on page 1-7. The Catalyst 2950G-12-EI, 2950G-24-EI, 2950G-24-EI-DC, and 2950G-48-EI switches running Cisco IOS Release 12.1(6)EA2 or later support frame sizes...
... a switch port can be managed through a single IP address. - Note See the "Advantages of multicast groups to the command switch. • Hot Standby Router Protocol (HSRP) for this switch. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 1-3 Automatic discovery of candidate switches and creation... ensure retrieval of duplex mode on the 10/100 ports for optimizing bandwidth • IEEE 802.3X flow control on page 1-7. The Catalyst 2950G-12-EI, 2950G-24-EI, 2950G-24-EI-DC, and 2950G-48-EI switches running Cisco IOS Release 12.1(6)EA2 or later support frame sizes...
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... voice traffic from Cisco IP Phones Security • Bridge protocol data unit (BPDU) guard for shutting down a Port Fast-configured port when an invalid configuration occurs • Protected port option for restricting the forwarding of traffic to designated ports on the same switch • Password-...feature for assigning users to VLANs associated with appropriate network resources, traffic patterns, and bandwidth Note The Catalyst 2950-12, Catalyst 2950-24, and Catalyst 2950SX-24 switches support only 64 port-based VLANs. • The switch supports up to 64 spanning-tree instances.
... voice traffic from Cisco IP Phones Security • Bridge protocol data unit (BPDU) guard for shutting down a Port Fast-configured port when an invalid configuration occurs • Protected port option for restricting the forwarding of traffic to designated ports on the same switch • Password-...feature for assigning users to VLANs associated with appropriate network resources, traffic patterns, and bandwidth Note The Catalyst 2950-12, Catalyst 2950-24, and Catalyst 2950SX-24 switches support only 64 port-based VLANs. • The switch supports up to 64 spanning-tree instances.
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...Catalyst 2950 Desktop Switch Software Configuration Guide 1-7 You can access the CLI either by connecting your configuration and monitoring tasks. The switch supports a comprehensive set of Using CMS and Clustering Switches Using CMS and switch clusters can simplify and minimize your management station directly to the switch console port...Netscape Communicator or Microsoft Internet Explorer. For more information about IE2100, see the Chapter 24, "Configuring SNMP." You can manage switch configuration settings, performance, and security and collect statistics by using SNMP, see Chapter...
...Catalyst 2950 Desktop Switch Software Configuration Guide 1-7 You can access the CLI either by connecting your configuration and monitoring tasks. The switch supports a comprehensive set of Using CMS and Clustering Switches Using CMS and switch clusters can simplify and minimize your management station directly to the switch console port...Netscape Communicator or Microsoft Internet Explorer. For more information about IE2100, see the Chapter 24, "Configuring SNMP." You can manage switch configuration settings, performance, and security and collect statistics by using SNMP, see Chapter...
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...option to display the port pop-up menu, and select a cluster- related option. LEDs display the current port mode and the status of the port LED reflects port or link status. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 3-5...switch, the Front Panel view displays only the front panel of the specific switch (see Figure 3-5 for a 2950 switch and Figure 3-4 for a 2950 LRE switch). The color of the switch and connected RPS. Figure 3-4 Front Panel View from a Standalone 2950 LRE Switch 2950-24 2950-24 86459 Left-click the Mode button to select multiple ports...
...option to display the port pop-up menu, and select a cluster- related option. LEDs display the current port mode and the status of the port LED reflects port or link status. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 3-5...switch, the Front Panel view displays only the front panel of the specific switch (see Figure 3-5 for a 2950 switch and Figure 3-4 for a 2950 LRE switch). The color of the switch and connected RPS. Figure 3-4 Front Panel View from a Standalone 2950 LRE Switch 2950-24 2950-24 86459 Left-click the Mode button to select multiple ports...
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...corresponding front-panel image. If the cluster has many switches, you want to communicate with the member switch. Switch is not powered up the meaning of the and the status of the front-panel images. Catalyst 2950 Desktop Switch Software Configuration Guide 3-6 78-14982-01 If you might...Icon Colors Color Green Yellow Red Device Status Switch is receiving power from a 2950 non-LRE Standalone Switch 2950-24 2950-24 Left-click the Mode LEDs display the Right-click a port to button to display the rest of the menu, and select an port LEDs. The internal fan of scrolling, you...
...corresponding front-panel image. If the cluster has many switches, you want to communicate with the member switch. Switch is not powered up the meaning of the and the status of the front-panel images. Catalyst 2950 Desktop Switch Software Configuration Guide 3-6 78-14982-01 If you might...Icon Colors Color Green Yellow Red Device Status Switch is receiving power from a 2950 non-LRE Standalone Switch 2950-24 2950-24 Left-click the Mode LEDs display the Right-click a port to button to display the rest of the menu, and select an port LEDs. The internal fan of scrolling, you...
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...Select Reports > Inventory to verify the cluster, you can also display port and switch statistics from a member switch. For information about creating and managing clusters, refer to view link ...Switch Cluster Chapter 6 Clustering Switches Verifying a Switch Cluster When you finish adding cluster members, follow these steps to verify the cluster: Step 1 Step 2 Step 3 Step 4 Enter the command switch IP address in the browser Location field (Netscape Communicator) or Address field (Microsoft Internet Explorer) to the switch command reference. 65727 6-24 Catalyst 2950 Desktop Switch...
...Select Reports > Inventory to verify the cluster, you can also display port and switch statistics from a member switch. For information about creating and managing clusters, refer to view link ...Switch Cluster Chapter 6 Clustering Switches Verifying a Switch Cluster When you finish adding cluster members, follow these steps to verify the cluster: Step 1 Step 2 Step 3 Step 4 Enter the command switch IP address in the browser Location field (Netscape Communicator) or Address field (Microsoft Internet Explorer) to the switch command reference. 65727 6-24 Catalyst 2950 Desktop Switch...
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... ports, all Gigabit Ethernet ports, all Fast Ethernet interfaces in the range 0/1 to 0/3 and Gigabit Ethernet interfaces 0/1 and 0/2: Switch# configure terminal Switch(config)# interface range fastethernet0/1 - 3, gigabitethernet0/1 - 2 Switch(config-if-range)# no shutdown Switch(config-if-range)# *Oct 6 08:24:... slot/{first port} - {last port}, where slot is a valid range; Wait until the command prompt reappears before exiting interface-range configuration mode. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 9-7 Chapter 9 Configuring the Switch Interfaces Using ...
... ports, all Gigabit Ethernet ports, all Fast Ethernet interfaces in the range 0/1 to 0/3 and Gigabit Ethernet interfaces 0/1 and 0/2: Switch# configure terminal Switch(config)# interface range fastethernet0/1 - 3, gigabitethernet0/1 - 2 Switch(config-if-range)# no shutdown Switch(config-if-range)# *Oct 6 08:24:... slot/{first port} - {last port}, where slot is a valid range; Wait until the command prompt reappears before exiting interface-range configuration mode. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 9-7 Chapter 9 Configuring the Switch Interfaces Using ...
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...) Appliance trust: 5 Name: Fa0/2 Switchport: Enabled Administrative Mode: static access 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 9-17 Chapter 9 Configuring the Switch Interfaces Monitoring and Maintaining the Interfaces Table 9-2 Show Commands for Interfaces Command show interfaces [interface-id... Fa0/23 Fa0/24 Gi0/1 Gi0/2 notconnect 1 notconnect 1 notconnect 1 notconnect 1 auto auto auto auto auto 10/100BaseTX auto 10/100BaseTX auto unknown auto unknown This example shows how to display the status of switching ports: Switch# show version Purpose...
...) Appliance trust: 5 Name: Fa0/2 Switchport: Enabled Administrative Mode: static access 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 9-17 Chapter 9 Configuring the Switch Interfaces Monitoring and Maintaining the Interfaces Table 9-2 Show Commands for Interfaces Command show interfaces [interface-id... Fa0/23 Fa0/24 Gi0/1 Gi0/2 notconnect 1 notconnect 1 notconnect 1 notconnect 1 auto auto auto auto auto 10/100BaseTX auto 10/100BaseTX auto unknown auto unknown This example shows how to display the status of switching ports: Switch# show version Purpose...
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...other. Newer installations less than 15 years old often use 24 AWG wiring with no significant difference between the LRE switch and CPE devices-LRE runs on Category 1, 2, and ...(possibly type-2) in bundles of your local public telephone service provider. Configuring LRE Ports Chapter 10 Configuring LRE Environmental Guidelines for LRE Links The guidelines for your LRE environment...commercial-North America) 15 to every wire pair in bundles of all connections. 10-6 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 Older installations (Asia) 15 to 30 years old ...
...other. Newer installations less than 15 years old often use 24 AWG wiring with no significant difference between the LRE switch and CPE devices-LRE runs on Category 1, 2, and ...(possibly type-2) in bundles of your local public telephone service provider. Configuring LRE Ports Chapter 10 Configuring LRE Environmental Guidelines for LRE Links The guidelines for your LRE environment...commercial-North America) 15 to every wire pair in bundles of all connections. 10-6 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 Older installations (Asia) 15 to 30 years old ...
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...35 33 35 33 35 15 17 15 17 15 17 High Noise SNR 26 26 32 24 32 39 32 32 32 39 39 39 39 39 20 20 20 Table 10-4 lists... the SNR requirements for upstream rates for different profiles. Configuring LRE Ports Chapter 10 Configuring LRE Link Qualification and SNR Margins When rate selection is running, the SNR is...10-3 lists the SNR requirements for downstream rates for different profiles. 10-12 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 The switch does not guarantee any internal mechanism to an amount that is appropriate for link...
...35 33 35 33 35 15 17 15 17 15 17 High Noise SNR 26 26 32 24 32 39 32 32 32 39 39 39 39 39 20 20 20 Table 10-4 lists... the SNR requirements for upstream rates for different profiles. Configuring LRE Ports Chapter 10 Configuring LRE Link Qualification and SNR Margins When rate selection is running, the SNR is...10-3 lists the SNR requirements for downstream rates for different profiles. 10-12 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 The switch does not guarantee any internal mechanism to an amount that is appropriate for link...
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... For more information on the same LAN segment. Any switch port can belong to a VLAN, and unicast, broadcast, and multicast packets are not physically located on VTP, see Chapter 15, "Configuring VTP." 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 14-1 Because a VLAN is considered ... Displaying VLANs, page 14-14 • Configuring VLAN Trunks, page 14-15 • Configuring VMPS, page 14-24 Understanding VLANs A VLAN is a switched network that is considered a logical network, and packets destined for stations that do not belong to maintain global VLAN ...
... For more information on the same LAN segment. Any switch port can belong to a VLAN, and unicast, broadcast, and multicast packets are not physically located on VTP, see Chapter 15, "Configuring VTP." 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 14-1 Because a VLAN is considered ... Displaying VLANs, page 14-14 • Configuring VLAN Trunks, page 14-15 • Configuring VMPS, page 14-24 Understanding VLANs A VLAN is a switched network that is considered a logical network, and packets destined for stations that do not belong to maintain global VLAN ...
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...associating the path costs with Traffic Distributed by Path Cost Switch 1 Trunk port 1 VLANs 2 - 4 (path cost 30) VLANs 8 - 10 (path cost 19) Trunk port 2 VLANs 8 - 10 (path cost 30) VLANs 2 - 4 (path cost 19) 16591 Switch 2 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 14-23 The VLANs keep the traffic ... 18 Step 19 Step 20 Step 21 Command spanning-tree vlan 8 port-priority 10 spanning-tree vlan 9 port-priority 10 spanning-tree vlan 10 port-priority 10 exit interface fastethernet0/2 Step 22 Step 23 Step 24 Step 25 Step 26 Step 27 Step 28 spanning-tree vlan...
...associating the path costs with Traffic Distributed by Path Cost Switch 1 Trunk port 1 VLANs 2 - 4 (path cost 30) VLANs 8 - 10 (path cost 19) Trunk port 2 VLANs 8 - 10 (path cost 30) VLANs 2 - 4 (path cost 19) 16591 Switch 2 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 14-23 The VLANs keep the traffic ... 18 Step 19 Step 20 Step 21 Command spanning-tree vlan 8 port-priority 10 spanning-tree vlan 9 port-priority 10 spanning-tree vlan 10 port-priority 10 exit interface fastethernet0/2 Step 22 Step 23 Step 24 Step 25 Step 26 Step 27 Step 28 spanning-tree vlan...
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.... Return to 30 for VLAN 3. Verify your entries. VMPS dynamically assigns dynamic access port VLAN membership. When the trunk links come up, Switch 1 receives the VTP information from the other switches. Set the spanning-tree path cost to 30 for VLAN 4. Set the spanning-tree... Step 17 show running-config Step 18 copy running-config startup-config Purpose Enter global configuration mode on page 14-28 14-24 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 Repeat Steps 9 through the VLAN Query Protocol (VQP). Return to global configuration mode. Enter...
.... Return to 30 for VLAN 3. Verify your entries. VMPS dynamically assigns dynamic access port VLAN membership. When the trunk links come up, Switch 1 receives the VTP information from the other switches. Set the spanning-tree path cost to 30 for VLAN 4. Set the spanning-tree... Step 17 show running-config Step 18 copy running-config startup-config Purpose Enter global configuration mode on page 14-28 14-24 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 Repeat Steps 9 through the VLAN Query Protocol (VQP). Return to global configuration mode. Enter...
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... Displaying MVR Information, page 17-19 • Configuring IGMP Filtering, page 17-20 • Displaying IGMP Filtering Configuration, page 17-24 Note For MAC addresses that map to IP multicast groups, you can either manage them through features such as IGMP snooping and MVR... member ports. Note For complete syntax and usage information for the commands used in this chapter, refer to the switch command reference for this release and the Cisco IOS Release Network Protocols Command Reference, Part 1, for a particular multicast group, 78-14982-01 Catalyst 2950 Desktop Switch Software ...
... Displaying MVR Information, page 17-19 • Configuring IGMP Filtering, page 17-20 • Displaying IGMP Filtering Configuration, page 17-24 Note For MAC addresses that map to IP multicast groups, you can either manage them through features such as IGMP snooping and MVR... member ports. Note For complete syntax and usage information for the commands used in this chapter, refer to the switch command reference for this release and the Cisco IOS Release Network Protocols Command Reference, Part 1, for a particular multicast group, 78-14982-01 Catalyst 2950 Desktop Switch Software ...
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... manager does not need to , when a port or module goes up or down, when spanning-tree topology changes occur, and when authentication failures occur. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 24-3 Uses a username match for authentication. Provides ...authentication based on the agent. Table 24-2 SNMP Operations Operation Description get-request get-next-request get -...
... manager does not need to , when a port or module goes up or down, when spanning-tree topology changes occur, and when authentication failures occur. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 24-3 Uses a username match for authentication. Provides ...authentication based on the agent. Table 24-2 SNMP Operations Operation Description get-request get-next-request get -...
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...addresses, affect of 11-8 overview 11-2 path costs 14-23, 14-24 Port Fast described 13-2 enabling 13-14 port priorities 14-22 preventing root switch selection 13-12 IN-26 Catalyst 2950 Desktop Switch Software Configuration Guide redundant connectivity 11-8 root guard described 13-12 enabling 13...-19 root port, defined 11-3 root switch affects of extended system ID 11-4, ...
...addresses, affect of 11-8 overview 11-2 path costs 14-23, 14-24 Port Fast described 13-2 enabling 13-14 port priorities 14-22 preventing root switch selection 13-12 IN-26 Catalyst 2950 Desktop Switch Software Configuration Guide redundant connectivity 11-8 root guard described 13-12 enabling 13...-19 root port, defined 11-3 root switch affects of extended system ID 11-4, ...