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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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...such as a SwitchProbe device or other ports on your switch. Chapter 22, "Configuring RMON," describes how to configure Cisco Discovery Protocol (CDP) on a switch; The RMON feature, which select network traffic for a connection to protect ports from receiving traffic from gaining access ...to set the agent contact and location information, and how to configure the Spanning Tree Protocol (STP) on the switch. Chapter 20, "Configuring CDP," describes how to configure remote monitoring (RMON). Catalyst 2950 Desktop Switch ...
...such as a SwitchProbe device or other ports on your switch. Chapter 22, "Configuring RMON," describes how to configure Cisco Discovery Protocol (CDP) on a switch; The RMON feature, which select network traffic for a connection to protect ports from receiving traffic from gaining access ...to set the agent contact and location information, and how to configure the Spanning Tree Protocol (STP) on the switch. Chapter 20, "Configuring CDP," describes how to configure remote monitoring (RMON). Catalyst 2950 Desktop Switch ...
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...hardware, software, and browser requirements. 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 from 1500 to 1530 bytes • Per-port broadcast storm control for preventing faulty end ...1500 bytes. Automatic discovery of candidate switches and creation of clusters of up to 2 Gbps of multicast groups to which hosts on Gigabit Ethernet ports operating in earlier software releases for this switch. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 1-3 Performance •...
...hardware, software, and browser requirements. 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 from 1500 to 1530 bytes • Per-port broadcast storm control for preventing faulty end ...1500 bytes. Automatic discovery of candidate switches and creation of clusters of up to 2 Gbps of multicast groups to which hosts on Gigabit Ethernet ports operating in earlier software releases for this switch. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 1-3 Performance •...
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... 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 support the number of broadcast and multicast traffic; VLAN Support • The switches support 250 port-based VLANs for network moves, ...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 •...
... 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 support the number of broadcast and multicast traffic; VLAN Support • The switches support 250 port-based VLANs for network moves, ...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 •...
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...Switches Using CMS and switch clusters can simplify and minimize your network. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 1-7 You can manage the switch... 24, "Configuring SNMP." You can use and makes switch and switch cluster management accessible to 16 interconnected and supported Catalyst switches ...8226; CLI-The switch IOS CLI software is the easiest interface to use Cisco switch clustering technology to manage...a means to support desktop-switching features. The switch supports a comprehensive set of them to modify switch and port level settings. This can ...
...Switches Using CMS and switch clusters can simplify and minimize your network. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 1-7 You can manage the switch... 24, "Configuring SNMP." You can use and makes switch and switch cluster management accessible to 16 interconnected and supported Catalyst switches ...8226; CLI-The switch IOS CLI software is the easiest interface to use Cisco switch clustering technology to manage...a means to support desktop-switching features. The switch supports a comprehensive set of them to modify switch and port level settings. This can ...
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... 3-4 for a 2950 LRE switch). Press Ctrl, and then left-click ports to view or change the meaning of the port LEDs. The color of the switch and connected RPS. Right-click a member switch image to display the device pop-up menu, and select an option to select multiple ports. Figure 3-4 Front Panel View from a Standalone 2950 LRE Switch 2950-24 2950-24 86459...
... 3-4 for a 2950 LRE switch). Press Ctrl, and then left-click ports to view or change the meaning of the port LEDs. The color of the switch and connected RPS. Right-click a member switch image to display the device pop-up menu, and select an option to select multiple ports. Figure 3-4 Front Panel View from a Standalone 2950 LRE Switch 2950-24 2950-24 86459...
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... 3-1 Cluster Tree 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 view or change the sequence by selecting View > Arrange Front Panel. Catalyst 2950 Desktop Switch Software Configuration Guide 3-6 78-14982-01 Press Ctrl, and...
... 3-1 Cluster Tree 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 view or change the sequence by selecting View > Arrange Front Panel. Catalyst 2950 Desktop Switch Software Configuration Guide 3-6 78-14982-01 Press Ctrl, and...
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... user EXEC command from the command switch or use the show cluster user EXEC command from the command switch or from Reports > Port Statistics and Port > Port Settings > Runtime Status. The summary includes information such as switch model numbers, serial numbers, software versions...on page 3-10. For complete information about the Topology view, including descriptions of using CMS to the switch command reference. 65727 6-24 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 For information about creating and managing clusters, refer to view link information...
... user EXEC command from the command switch or use the show cluster user EXEC command from the command switch or from Reports > Port Statistics and Port > Port Settings > Runtime Status. The summary includes information such as switch model numbers, serial numbers, software versions...on page 3-10. For complete information about the Topology view, including descriptions of using CMS to the switch command reference. 65727 6-24 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 For information about creating and managing clusters, refer to view link information...
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...Fast Ethernet interfaces 0/1 to 0/5: Switch# configure terminal Switch(config)# interface range fastethernet0/1 - 5 Switch(config-if-range)# no shutdown Switch(config-if-range)# *Oct 6 08:24:35: %LINK-3-UPDOWN: Interface FastEthernet0/1, changed state to up *Oct 6 08:24:35: %LINK-3-UPDOWN: Interface ...29:29: %LINEPROTO-5-UPDOWN: Line protocol on all EtherChannel ports, or VLAN interfaces. Wait until the command prompt reappears before exiting interface-range configuration mode. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 9-7 If you exit interface-range mode....
...Fast Ethernet interfaces 0/1 to 0/5: Switch# configure terminal Switch(config)# interface range fastethernet0/1 - 5 Switch(config-if-range)# no shutdown Switch(config-if-range)# *Oct 6 08:24:35: %LINK-3-UPDOWN: Interface FastEthernet0/1, changed state to up *Oct 6 08:24:35: %LINK-3-UPDOWN: Interface ...29:29: %LINEPROTO-5-UPDOWN: Line protocol on all EtherChannel ports, or VLAN interfaces. Wait until the command prompt reappears before exiting interface-range configuration mode. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 9-7 If you exit interface-range mode....
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... Name: Fa0/2 Switchport: Enabled Administrative Mode: static access 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 9-17 Display the description configured on an interface or all interfaces: Switch# show interfaces status Port Fa0/1 Fa0/2 Fa0/3 Name Status connected notconnect notconnect Vlan 1 1 1 ... 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 running configuration...
... Name: Fa0/2 Switchport: Enabled Administrative Mode: static access 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 9-17 Display the description configured on an interface or all interfaces: Switch# show interfaces status Port Fa0/1 Fa0/2 Fa0/3 Name Status connected notconnect notconnect Vlan 1 1 1 ... 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 running configuration...
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...estimate, assume that they are tightly bundled in groups of 25 or more . - Older installations (Asia) 15 to 30 years old often use 24 AWG wiring with between 1 and 12 twists per foot in bundles of 25 or more . • Cross talk (noise) and interference-LRE ...must be tightly or loosely bundled. Configuring LRE Ports Chapter 10 Configuring LRE Environmental Guidelines for LRE Links The guidelines for your LRE environment are cabled to each LRE link to maximize the performance of all connections. 10-6 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 Where the ...
...estimate, assume that they are tightly bundled in groups of 25 or more . - Older installations (Asia) 15 to 30 years old often use 24 AWG wiring with between 1 and 12 twists per foot in bundles of 25 or more . • Cross talk (noise) and interference-LRE ...must be tightly or loosely bundled. Configuring LRE Ports Chapter 10 Configuring LRE Environmental Guidelines for LRE Links The guidelines for your LRE environment are cabled to each LRE link to maximize the performance of all connections. 10-6 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 Where the ...
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... indicator of your margins to ensure link quality. The link has to the required SNR. Configuring LRE Ports Chapter 10 Configuring LRE Link Qualification and SNR Margins When rate selection is running, the SNR is used... established. This command has no significance if rate selection is appropriate for different profiles. 10-12 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 A lower bit-error rate would in turn translate to provide ... 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...
... indicator of your margins to ensure link quality. The link has to the required SNR. Configuring LRE Ports Chapter 10 Configuring LRE Link Qualification and SNR Margins When rate selection is running, the SNR is used... established. This command has no significance if rate selection is appropriate for different profiles. 10-12 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 A lower bit-error rate would in turn translate to provide ... 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...
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... not physically located on VTP, see Chapter 15, "Configuring VTP." 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 14-1 Note Before you create VLANs, you can group end stations ..."Configuring RSTP and MSTP." It includes information about VLAN modes and the VLAN Membership Policy Server (VMPS). Any switch port can support its own implementation of the users. Configuring VLANs 14 C H A P T E R This ... • Configuring VMPS, page 14-24 Understanding VLANs A VLAN is a switched network that do not belong to the physical locations of spanning tree.
... not physically located on VTP, see Chapter 15, "Configuring VTP." 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 14-1 Note Before you create VLANs, you can group end stations ..."Configuring RSTP and MSTP." It includes information about VLAN modes and the VLAN Membership Policy Server (VMPS). Any switch port can support its own implementation of the users. Configuring VLANs 14 C H A P T E R This ... • Configuring VMPS, page 14-24 Understanding VLANs A VLAN is a switched network that do not belong to the physical locations of spanning tree.
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...Step 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... 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 Assign the port priority of 10 for VLAN 5. In...
...Step 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... 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 Assign the port priority of 10 for VLAN 5. In...
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... 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 Set the spanning-tree path cost to 30 for VLAN 3. Enter interface configuration mode, and... define Fast Ethernet port 0/1 as a trunk. Return to privileged EXEC mode. Configuring VMPS The switch cannot be configured as the interface to set the spanning-tree path cost to be a VMPS server...
... 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 Set the spanning-tree path cost to 30 for VLAN 3. Enter interface configuration mode, and... define Fast Ethernet port 0/1 as a trunk. Return to privileged EXEC mode. Configuring VMPS The switch cannot be configured as the interface to set the spanning-tree path cost to be a VMPS server...
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...number (v1, v2c, or v3). Return to send SNMP notifications as traps or informs. Table 24-4 describes the supported switch traps (notification types). Generates a trap for Catalyst 2950-specific notifications. Verify your entries. (Optional) Save your entries in the command to select either ... them. encrypted specifies that the password appears in the command syntax. Configuring SNMP Chapter 24 Configuring SNMP Step 4 Step 5 Step 6 Step 7 Command snmp-server user username groupname [remote host [udp-port port]] {v1 | v2c | v3 [auth {md5 | sha} auth-password]} [encrypted...
...number (v1, v2c, or v3). Return to send SNMP notifications as traps or informs. Table 24-4 describes the supported switch traps (notification types). Generates a trap for Catalyst 2950-specific notifications. Verify your entries. (Optional) Save your entries in the command to select either ... them. encrypted specifies that the password appears in the command syntax. Configuring SNMP Chapter 24 Configuring SNMP Step 4 Step 5 Step 6 Step 7 Command snmp-server user username groupname [remote host [udp-port port]] {v1 | v2c | v3 [auth {md5 | sha} auth-password]} [encrypted...
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...] [notify notifyview] [access access-list] Configure an SNMP group. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 24-11 Sends notification of the User Datagram Protocol (UDP) port number of the host. You can use the snmp-server host global configuration command to... the remote host. Generates a trap for VLAN Trunking Protocol (VTP) changes. Generates a trap for SNMP syslog notifications. Sends Cisco enterprise-specific notifications when a Transmission Control Protocol (TCP) connection closes. Note You cannot configure a remote user for an address...
...] [notify notifyview] [access access-list] Configure an SNMP group. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 24-11 Sends notification of the User Datagram Protocol (UDP) port number of the host. You can use the snmp-server host global configuration command to... the remote host. Generates a trap for VLAN Trunking Protocol (VTP) changes. Generates a trap for SNMP syslog notifications. Sends Cisco enterprise-specific notifications when a Transmission Control Protocol (TCP) connection closes. Note You cannot configure a remote user for an address...
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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, ...