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...does not provide the command-line interface (CLI) procedures. Because configuring switch clusters is supported by either the standard software image (SI) or the enhanced software image (EI). Preface Audience The Catalyst 2950 Desktop Switch Software Configuration Guide is supported by an a variation of the enhanced...release notes. • Start-up information-This guide assumes that support the SI and the EI, see Table 1-1 on page 1. Use this release. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide xxv For a list of Ethernet and local area networking. For CMS ...
...does not provide the command-line interface (CLI) procedures. Because configuring switch clusters is supported by either the standard software image (SI) or the enhanced software image (EI). Preface Audience The Catalyst 2950 Desktop Switch Software Configuration Guide is supported by an a variation of the enhanced...release notes. • Start-up information-This guide assumes that support the SI and the EI, see Table 1-1 on page 1. Use this release. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide xxv For a list of Ethernet and local area networking. For CMS ...
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... 3. Table 1-1 Switches Supported Switch Catalyst 2950-12 Software Image SI1 Catalyst 2950-24 SI Catalyst 2950C-24 EI2 Catalyst 2950G-12-EI EI Catalyst 2950G-24-EI EI Catalyst 2950G-24-EI-DC EI Catalyst 2950G-48-EI EI Catalyst 2950SX-24 SI Catalyst 2950T-24 EI Catalyst 2950ST-24-LRE YJ3 Catalyst 2950ST-8-LRE YJ 1. SI = standard software image 2. use the YJ release for non-LRE switches only; YJ = enhanced software image for LRE switches Note The SI and EI images are for LRE switches. 78...
... 3. Table 1-1 Switches Supported Switch Catalyst 2950-12 Software Image SI1 Catalyst 2950-24 SI Catalyst 2950C-24 EI2 Catalyst 2950G-12-EI EI Catalyst 2950G-24-EI EI Catalyst 2950G-24-EI-DC EI Catalyst 2950G-48-EI EI Catalyst 2950SX-24 SI Catalyst 2950T-24 EI Catalyst 2950ST-24-LRE YJ3 Catalyst 2950ST-8-LRE YJ 1. SI = standard software image 2. use the YJ release for non-LRE switches only; YJ = enhanced software image for LRE switches Note The SI and EI images are for LRE switches. 78...
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... in this release. Switch LRE ports and the Ethernet ports on your intranet Catalyst 2950 Desktop Switch Software Configuration Guide 1-2 78-14982-01 Ease of Use and Ease of connections between: - For information about the Cisco LRE CPE devices, ...refer to the Installation Notes for the Gigabit ports. LRE Switch-Specific Support The Long-Reach Ethernet (LRE) switches support all of these listed EI...
... in this release. Switch LRE ports and the Ethernet ports on your intranet Catalyst 2950 Desktop Switch Software Configuration Guide 1-2 78-14982-01 Ease of Use and Ease of connections between: - For information about the Cisco LRE CPE devices, ...refer to the Installation Notes for the Gigabit ports. LRE Switch-Specific Support The Long-Reach Ethernet (LRE) switches support all of these listed EI...
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...; Support for a list of multicast groups to the command switch. • Hot Standby Router Protocol (HSRP) for automatically configuring the switch during startup with the EI) • Dynamic Host Configuration Protocol (DHCP)-based autoconfiguration for command-switch redundancy. 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...
...; Support for a list of multicast groups to the command switch. • Hot Standby Router Protocol (HSRP) for automatically configuring the switch during startup with the EI) • Dynamic Host Configuration Protocol (DHCP)-based autoconfiguration for command-switch redundancy. 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...
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... multiple forwarding paths for data traffic and load balancing (available only with the EI) • IEEE 802.1W Rapid STP (RSTP) for rapid convergence of the...becoming the spanning-tree root Catalyst 2950 Desktop Switch Software Configuration Guide 1-4 78-14982-01 Features Chapter 1 Overview • Address Resolution Protocol (ARP) for identifying a switch through a serial connection and...and its corresponding MAC address • Cisco Discovery Protocol (CDP) versions 1 and 2 for network topology discovery and mapping between the switch and other Cisco devices on the network • Network...
... multiple forwarding paths for data traffic and load balancing (available only with the EI) • IEEE 802.1W Rapid STP (RSTP) for rapid convergence of the...becoming the spanning-tree root Catalyst 2950 Desktop Switch Software Configuration Guide 1-4 78-14982-01 Features Chapter 1 Overview • Address Resolution Protocol (ARP) for identifying a switch through a serial connection and...and its corresponding MAC address • Cisco Discovery Protocol (CDP) versions 1 and 2 for network topology discovery and mapping between the switch and other Cisco devices on the network • Network...
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...Catalyst 2950-24, and Catalyst 2950SX-24 switches support only 64 port-based VLANs. • The switch supports up to 64 spanning-tree instances. VLAN Support • The switches support 250 port-based VLANs for reducing network traffic by the IEEE 802.1Q standard (available only with the EI) 78-14982-01 Catalyst 2950 Desktop Switch...negotiating the type of trunking encapsulation (802.1Q) to be used • Voice VLAN for creating subnets for voice traffic from Cisco IP Phones Security • Bridge protocol data unit (BPDU) guard for shutting down a Port Fast-configured port when an ...
...Catalyst 2950-24, and Catalyst 2950SX-24 switches support only 64 port-based VLANs. • The switch supports up to 64 spanning-tree instances. VLAN Support • The switches support 250 port-based VLANs for reducing network traffic by the IEEE 802.1Q standard (available only with the EI) 78-14982-01 Catalyst 2950 Desktop Switch...negotiating the type of trunking encapsulation (802.1Q) to be used • Voice VLAN for creating subnets for voice traffic from Cisco IP Phones Security • Bridge protocol data unit (BPDU) guard for shutting down a Port Fast-configured port when an ...
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...service levels for different types of network traffic and for packets that exceed bandwidth utilization limits Note Policing is available only in the EI. • Four groups (history, statistics, alarms, and events) of embedded remote monitoring (RMON) agents for network monitoring and... and Class of a Cisco IP phone, trust the CoS value received, and ensure port security. Support for IEEE 802.1P CoS scheduling for logging system messages about authentication or authorization errors, resource issues, and time-out events Catalyst 2950 Desktop Switch Software Configuration Guide 1-6 78...
...service levels for different types of network traffic and for packets that exceed bandwidth utilization limits Note Policing is available only in the EI. • Four groups (history, statistics, alarms, and events) of embedded remote monitoring (RMON) agents for network monitoring and... and Class of a Cisco IP phone, trust the CoS value received, and ensure port security. Support for IEEE 802.1P CoS scheduling for logging system messages about authentication or authorization errors, resource issues, and time-out events Catalyst 2950 Desktop Switch Software Configuration Guide 1-6 78...
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The Catalyst switches have the EI installed on your Catalyst 2950 switch. The Cisco CWDM Passive Optical System on the CWDM GBIC module, data is 1550 nm. For more information about the CWDM... them to a Cisco CWDM Passive Optical System. Figure 1-7 Long-Distance, High-Bandwidth Transport Configuration 74089 8 Gbps CWDM OADM modules Eight 1-Gbps connections Catalyst 2900 XL, Catalyst 2950, Catalyst 3500 XL, and Catalyst 3550 switches Access layer CWDM OADM modules Catalyst 4000 multilayer switches Aggregation layer 1-20 Catalyst 2950 Desktop Switch Software Configuration Guide ...
The Catalyst switches have the EI installed on your Catalyst 2950 switch. The Cisco CWDM Passive Optical System on the CWDM GBIC module, data is 1550 nm. For more information about the CWDM... them to a Cisco CWDM Passive Optical System. Figure 1-7 Long-Distance, High-Bandwidth Transport Configuration 74089 8 Gbps CWDM OADM modules Eight 1-Gbps connections Catalyst 2900 XL, Catalyst 2950, Catalyst 3500 XL, and Catalyst 3550 switches Access layer CWDM OADM modules Catalyst 4000 multilayer switches Aggregation layer 1-20 Catalyst 2950 Desktop Switch Software Configuration Guide ...
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... CMS from a command-capable switch. • Cluster management tasks, such as a Catalyst 2950 or Catalyst 3500 XL switch, the menu bar displays the features of an option based on whether the switch is running the enhanced software image (EI) or the standard image (SI). If the command switch is a Layer 3 switch, such as a Catalyst 3550 switch, the menu bar displays...
... CMS from a command-capable switch. • Cluster management tasks, such as a Catalyst 2950 or Catalyst 3500 XL switch, the menu bar displays the features of an option based on whether the switch is running the enhanced software image (EI) or the standard image (SI). If the command switch is a Layer 3 switch, such as a Catalyst 3550 switch, the menu bar displays...
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... a Catalyst 3550 switch, that switch should be Catalyst 2950 switches. - When the command switch is a Catalyst 3550 switch, all standby command switches must meet these switches: Catalyst 2900 XL, Catalyst 2950, and Catalyst 3500 XL switches. We strongly recommend that the command switch and standby command switches are of software (SI or EI). If your switch cluster has Catalyst 2900 XL, Catalyst 2950, and Catalyst 3500 XL switches, the Catalyst 2950 should be Catalyst...
... a Catalyst 3550 switch, that switch should be Catalyst 2950 switches. - When the command switch is a Catalyst 3550 switch, all standby command switches must meet these switches: Catalyst 2900 XL, Catalyst 2950, and Catalyst 3500 XL switches. We strongly recommend that the command switch and standby command switches are of software (SI or EI). If your switch cluster has Catalyst 2900 XL, Catalyst 2950, and Catalyst 3500 XL switches, the Catalyst 2950 should be Catalyst...
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...usage information for automating the deployment and management of a user-defined external directory. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 5-1 The Configuration Registrar automates initial configurations and configuration updates by generating device-specific ... enhanced software image (EI) installed on your switch. In this section, refer to the Cisco Intelligence Engine 2100 Series Configuration Registrar Manual, and select Cisco IOS Software Release 12.2 > New Feature Documentation > 12.2(2)T on Cisco.com. Each Configuration Registrar...
...usage information for automating the deployment and management of a user-defined external directory. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 5-1 The Configuration Registrar automates initial configurations and configuration updates by generating device-specific ... enhanced software image (EI) installed on your switch. In this section, refer to the Cisco Intelligence Engine 2100 Series Configuration Registrar Manual, and select Cisco IOS Software Release 12.2 > New Feature Documentation > 12.2(2)T on Cisco.com. Each Configuration Registrar...
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... example, could be prematurely removed from the table. Then when the switch receives a packet for a specified VLAN. Return to configure the dynamic...VLANs. Static address entries are 1 to 4094 when the enhanced software image (EI) is installed and 1 to port 1 in VLAN 1 and ports 9,... Chapter 7 Administering the Switch Managing the MAC Address Table MAC Addresses and VLANs All addresses... in use. An address can impact switch performance. Each VLAN maintains its own logical...with a VLAN. Set the length of time that the switch learns and then ages when they are associated with unused addresses...
... example, could be prematurely removed from the table. Then when the switch receives a packet for a specified VLAN. Return to configure the dynamic...VLANs. Static address entries are 1 to 4094 when the enhanced software image (EI) is installed and 1 to port 1 in VLAN 1 and ports 9,... Chapter 7 Administering the Switch Managing the MAC Address Table MAC Addresses and VLANs All addresses... in use. An address can impact switch performance. Each VLAN maintains its own logical...with a VLAN. Set the length of time that the switch learns and then ages when they are associated with unused addresses...
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...the running configuration by enabling sticky learning. Verify your entries. (Optional) Save your entries in the specified VLAN are 1 to 4094 when the EI is installed and 1 to 1005 when the SI is forwarded to the MAC address table. When sticky learning is received. When a packet is... address received in the configuration file. For more information, see the "Secure MAC Addresses" section on page 18-5. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 7-59 To remove static entries from the address table, use the no mac address-table static mac-addr vlan vlan...
...the running configuration by enabling sticky learning. Verify your entries. (Optional) Save your entries in the specified VLAN are 1 to 4094 when the EI is installed and 1 to 1005 when the SI is forwarded to the MAC address table. When sticky learning is received. When a packet is... address received in the configuration file. For more information, see the "Secure MAC Addresses" section on page 18-5. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 7-59 To remove static entries from the address table, use the no mac address-table static mac-addr vlan vlan...
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...possible VLANs (VLAN ID 1 to 1005 when the standard software image [SI] is installed or VLAN ID 1 to 4094 when the enhanced software image [EI] is installed) are in the allowed list for a trunk port, the trunk port automatically becomes a member of that VLAN and traffic is forwarded to ...and from the port is enabled only when the VLAN membership of the port is discovered. Note VLAN 1 cannot be a Catalyst 6000 series switch; Traffic is received and sent in the enabled state. Two types of access ports are supported: • Static access ports are supported. Although...
...possible VLANs (VLAN ID 1 to 1005 when the standard software image [SI] is installed or VLAN ID 1 to 4094 when the enhanced software image [EI] is installed) are in the allowed list for a trunk port, the trunk port automatically becomes a member of that VLAN and traffic is forwarded to ...and from the port is enabled only when the VLAN membership of the port is discovered. Note VLAN 1 cannot be a Catalyst 6000 series switch; Traffic is received and sent in the enabled state. Two types of access ports are supported: • Static access ports are supported. Although...
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For vlan-id, the range is 1 to 4094 when the enhanced software image (EI) is installed and 1 to privileged EXEC mode. For each VLAN, the switch with each instance. Before Release 12.1(9)EA1, entering the spanning-tree vlan vlan-id root global configuration command on it... bit of the root switches for the specified VLAN to 1 less than the lowest switch priority. 11-12 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 If any root switch for the specified VLAN has a switch priority lower than 24576, the switch sets its own switch priority for the specified ...
For vlan-id, the range is 1 to 4094 when the enhanced software image (EI) is installed and 1 to privileged EXEC mode. For each VLAN, the switch with each instance. Before Release 12.1(9)EA1, entering the spanning-tree vlan vlan-id root global configuration command on it... bit of the root switches for the specified VLAN to 1 less than the lowest switch priority. 11-12 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 If any root switch for the specified VLAN has a switch priority lower than 24576, the switch sets its own switch priority for the specified ...
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...used when you configure a Catalyst 2950 switch that the other network switches use the no spanning-tree vlan vlan-id root global configuration command. For Catalyst 2950 switches without the extended system ID support (software earlier than one switch to configure multiple backup root switches. Configuring Spanning-Tree Features Chapter... 11 Configuring STP Beginning in privileged EXEC mode, follow these steps to a switch to become the root for the specified VLAN. • For vlan-id, the range is 1 to 4094 when the EI is installed and 1 to 1005 when the SI is installed. Verify your ...
...used when you configure a Catalyst 2950 switch that the other network switches use the no spanning-tree vlan vlan-id root global configuration command. For Catalyst 2950 switches without the extended system ID support (software earlier than one switch to configure multiple backup root switches. Configuring Spanning-Tree Features Chapter... 11 Configuring STP Beginning in privileged EXEC mode, follow these steps to a switch to become the root for the specified VLAN. • For vlan-id, the range is 1 to 4094 when the EI is installed and 1 to 1005 when the SI is installed. Verify your ...
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Note Because the purpose of spanning-tree status changes when the switch is restarted. If your switch is running PVST or MSTP, you have the EI installed on your switch. The MSTP is available only if you can use Port Fast on ports connected to a single ...units (BPDUs). Figure 13-1 Port Fast-Enabled Ports Catalyst 6000 series switch Catalyst 3550 switch Catalyst 2950 or 3550 switch Port Fast-enabled ports Workstations Catalyst 2950 or 3550 Server switch Port Fast-enabled port Workstations 74622 13-2 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 You can enable ...
Note Because the purpose of spanning-tree status changes when the switch is restarted. If your switch is running PVST or MSTP, you have the EI installed on your switch. The MSTP is available only if you can use Port Fast on ports connected to a single ...units (BPDUs). Figure 13-1 Port Fast-Enabled Ports Catalyst 6000 series switch Catalyst 3550 switch Catalyst 2950 or 3550 switch Port Fast-enabled ports Workstations Catalyst 2950 or 3550 Server switch Port Fast-enabled port Workstations 74622 13-2 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 You can enable ...
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...VLAN Marketing VLAN Accounting VLAN Cisco router Fast Ethernet Floor 3 Floor 2 16751 Floor 1 VLANs are identified with IP subnetworks. Interface VLAN membership on the switch is installed and 1 to 4094. switches that run the enhanced software image (EI) support 250 VLANs. The switch must be in VTP ...the end stations in the VLAN database. The 2950 LRE software image is installed. Understanding VLANs Chapter 14 Configuring VLANs For a Catalyst 2950 LRE Switch, the maximum supported number of VLANs is 250, the maximum number of STP instances is 64, and trunking is known as...
...VLAN Marketing VLAN Accounting VLAN Cisco router Fast Ethernet Floor 3 Floor 2 16751 Floor 1 VLANs are identified with IP subnetworks. Interface VLAN membership on the switch is installed and 1 to 4094. switches that run the enhanced software image (EI) support 250 VLANs. The switch must be in VTP ...the end stations in the VLAN database. The 2950 LRE software image is installed. Understanding VLANs Chapter 14 Configuring VLANs For a Catalyst 2950 LRE Switch, the maximum supported number of VLANs is 250, the maximum number of STP instances is 64, and trunking is known as...
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... have default values that might or might not be applied to derive a CoS value from the switch in all VLANs received through the interface is running the EI. There are supported on page 26-24. Granularity for the average burst rate is 1 Mbps for 10/100 ports and 8 Mbps for... Gigabit Ethernet ports. • On an interface configured for QoS, all traffic received through the interface is used to ensure compatibility. 78-14982-01 Catalyst 2950 Desktop Switch...
... have default values that might or might not be applied to derive a CoS value from the switch in all VLANs received through the interface is running the EI. There are supported on page 26-24. Granularity for the average burst rate is 1 Mbps for 10/100 ports and 8 Mbps for... Gigabit Ethernet ports. • On an interface configured for QoS, all traffic received through the interface is used to ensure compatibility. 78-14982-01 Catalyst 2950 Desktop Switch...
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...26-4 QoS Configuration Example Network Cisco router To Internet Gigabit Ethernet 0/1 Existing wiring closet Catalyst 2900 and 3500 XL switches Trunk link Gigabit Ethernet 0/5 Catalyst 3550-12G switch Gigabit Ethernet 0/2 Trunk link Gigabit Ethernet 0/2 Intelligent wiring closet Catalyst 2950 switches Video server 172.20.10....14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 26-29 65288 This section provides a QoS migration path to help you quickly implement QoS features based on your existing network and planned changes to your switch is running the EI. Chapter ...
...26-4 QoS Configuration Example Network Cisco router To Internet Gigabit Ethernet 0/1 Existing wiring closet Catalyst 2900 and 3500 XL switches Trunk link Gigabit Ethernet 0/5 Catalyst 3550-12G switch Gigabit Ethernet 0/2 Trunk link Gigabit Ethernet 0/2 Intelligent wiring closet Catalyst 2950 switches Video server 172.20.10....14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 26-29 65288 This section provides a QoS migration path to help you quickly implement QoS features based on your existing network and planned changes to your switch is running the EI. Chapter ...