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... release notes. • Start-up information-This guide assumes that have assigned switch IP information and passwords by an a variation of switches that support the SI and the EI, see Table 1-1 on page 1. For complete syntax and usage information about ...information about configuring and troubleshooting a Catalyst 2950 or Catalyst 2950 Long-Reach Ethernet (LRE) switch or switch clusters. Preface Audience The Catalyst 2950 Desktop Switch Software Configuration Guide is for the network manager responsible for configuring the Catalyst 2950 switches, hereafter referred to the command ...
... release notes. • Start-up information-This guide assumes that have assigned switch IP information and passwords by an a variation of switches that support the SI and the EI, see Table 1-1 on page 1. For complete syntax and usage information about ...information about configuring and troubleshooting a Catalyst 2950 or Catalyst 2950 Long-Reach Ethernet (LRE) switch or switch clusters. Preface Audience The Catalyst 2950 Desktop Switch Software Configuration Guide is for the network manager responsible for configuring the Catalyst 2950 switches, hereafter referred to the command ...
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... image for LRE switches Note The SI and EI images are for LRE switches. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 1-1 use the YJ release for non-LRE switches only; 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...
... image for LRE switches Note The SI and EI images are for LRE switches. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 1-1 use the YJ release for non-LRE switches only; 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...
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... Catalyst 2950 Desktop Switch Software Configuration Guide 1-2 78-14982-01 For a list of the switches that you have the EI installed on 585 CPE devices • Support for the Cisco LRE 48 POTS Splitter. LRE Switch-Specific Support The Long-Reach Ethernet (LRE) switches support all of these listed EI... Support for automatic selection of transmission rates through a web browser, such as the Cisco 575 LRE CPE and Cisco 585 LRE CPE - Switch LRE ports and the Ethernet ports on the Catalyst 2950 LRE switch, with the difference that allows for the secure shell (SSH) and SNMPv3 crypto,...
... Catalyst 2950 Desktop Switch Software Configuration Guide 1-2 78-14982-01 For a list of the switches that you have the EI installed on 585 CPE devices • Support for the Cisco LRE 48 POTS Splitter. LRE Switch-Specific Support The Long-Reach Ethernet (LRE) switches support all of these listed EI... Support for automatic selection of transmission rates through a web browser, such as the Cisco 575 LRE CPE and Cisco 585 LRE CPE - Switch LRE ports and the Ethernet ports on the Catalyst 2950 LRE switch, with the difference that allows for the secure shell (SSH) and SNMPv3 crypto,...
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... creation of clusters of up to 2 Gbps of multicast groups to continuously send multicast streams in earlier software releases for - 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...
... creation of clusters of up to 2 Gbps of multicast groups to continuously send multicast streams in earlier software releases for - 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...
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...for data traffic and load balancing (available only with the EI) • Optional spanning-tree features available: - BPDU filtering for preventing a Port Fast-enabled port from becoming the spanning-tree root Catalyst 2950 Desktop Switch Software Configuration Guide 1-4 78-14982-01 STP has these...cross-stack UplinkFast, and BackboneFast for fast convergence after a spanning-tree topology change and 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 ...
...for data traffic and load balancing (available only with the EI) • Optional spanning-tree features available: - BPDU filtering for preventing a Port Fast-enabled port from becoming the spanning-tree root Catalyst 2950 Desktop Switch Software Configuration Guide 1-4 78-14982-01 STP has these...cross-stack UplinkFast, and BackboneFast for fast convergence after a spanning-tree topology change and 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 ...
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management and control of source addresses and preventing switch access from unauthorized stations (available only with the EI) • IEEE 802.1Q trunking protocol on a port... 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 a specific group of broadcast and ... (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 ...
management and control of source addresses and preventing switch access from unauthorized stations (available only with the EI) • IEEE 802.1Q trunking protocol on a port... 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 a specific group of broadcast and ... (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 ...
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... in the network (only available in the EI. • Four groups (history, statistics, alarms, and events) of network traffic and for logging system messages about authentication or authorization errors, resource issues, and time-out events Catalyst 2950 Desktop Switch Software Configuration Guide 1-6 78-14982-01 Support... and prevent misuse of high-priority voice traffic - If the IP phone is available only in the EI) - Features Chapter 1 Overview Quality of Service and Class of a Cisco IP phone, trust the CoS value received, and ensure port security. IEEE 802.1P class of the...
... in the network (only available in the EI. • Four groups (history, statistics, alarms, and events) of network traffic and for logging system messages about authentication or authorization errors, resource issues, and time-out events Catalyst 2950 Desktop Switch Software Configuration Guide 1-6 78-14982-01 Support... and prevent misuse of high-priority voice traffic - If the IP phone is available only in the EI) - Features Chapter 1 Overview Quality of Service and Class of a Cisco IP phone, trust the CoS value received, and ensure port security. IEEE 802.1P class of the...
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... does not apply to the CWDM Passive Optical System Installation Note. The Catalyst switches have the EI installed on your Catalyst 2950 switch. Depending on the same fiber-optic cable. A common wavelength for transporting Gigabits of data from 1470 to 1610 nanometers (nm). The Cisco CWDM Passive Optical System on a single fiber-optic cable. For more...
... does not apply to the CWDM Passive Optical System Installation Note. The Catalyst switches have the EI installed on your Catalyst 2950 switch. Depending on the same fiber-optic cable. A common wavelength for transporting Gigabits of data from 1470 to 1610 nanometers (nm). The Cisco CWDM Passive Optical System on a single fiber-optic cable. For more...
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...write (access level 15). If the command switch is running the enhanced software image (EI) or the standard image (SI). For more information about how access modes affect CMS, see the "Access Modes in CMS" section on the switches in the Topology Options window. Menu Bar The... from CMS. The footnotes in the Node window Menus and Toolbar The configuration and monitoring options for managing a single switch and switch cluster. The Catalyst 2950 LRE switch has only one software image available, and it contains both standard and enhanced functionality. • Access modes affect the...
...write (access level 15). If the command switch is running the enhanced software image (EI) or the standard image (SI). For more information about how access modes affect CMS, see the "Access Modes in CMS" section on the switches in the Topology Options window. Menu Bar The... from CMS. The footnotes in the Node window Menus and Toolbar The configuration and monitoring options for managing a single switch and switch cluster. The Catalyst 2950 LRE switch has only one software image available, and it contains both standard and enhanced functionality. • Access modes affect the...
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... 12.1(6)EA2 or later, all standby command switches must be the command switch. • Standby command switches must meet these switches: Catalyst 2900 XL, Catalyst 2950, and Catalyst 3500 XL switches. The menu bar of software (SI or EI). When the command switch is a Catalyst 2950 switch running on the command switch. - When the command switch is running Release 12.0(5)WC2 or earlier, the...
... 12.1(6)EA2 or later, all standby command switches must be the command switch. • Standby command switches must meet these switches: Catalyst 2900 XL, Catalyst 2950, and Catalyst 3500 XL switches. The menu bar of software (SI or EI). When the command switch is a Catalyst 2950 switch running on the command switch. - When the command switch is running Release 12.0(5)WC2 or earlier, the...
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... the enhanced software image (EI) installed on your switch. Each Configuration Registrar manages a group of network devices and services (see Figure 5-1). Note For complete syntax and usage information for automating the deployment and management of Cisco IOS devices (switches and routers) and the... services that acts as needed. This chapter consists of a user-defined external directory. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 5-1 In this mode, ...
... the enhanced software image (EI) installed on your switch. Each Configuration Registrar manages a group of network devices and services (see Figure 5-1). Note For complete syntax and usage information for automating the deployment and management of Cisco IOS devices (switches and routers) and the... services that acts as needed. This chapter consists of a user-defined external directory. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 5-1 In this mode, ...
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...learned None configured Changing the Address Aging Time Dynamic addresses are source MAC addresses that the switch learns and then ages when they are 1 to 4094 when the enhanced software image (EI) is installed and 1 to 1000000 seconds. Do not enter leading zeros. The range...performance. For vlan-id, valid IDs are not in privileged EXEC mode, follow these steps to privileged EXEC mode. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 7-55 Return to configure the dynamic address table aging time: Step 1 Step 2 Command configure terminal mac address-...
...learned None configured Changing the Address Aging Time Dynamic addresses are source MAC addresses that the switch learns and then ages when they are 1 to 4094 when the enhanced software image (EI) is installed and 1 to 1000000 seconds. Do not enter leading zeros. The range...performance. For vlan-id, valid IDs are not in privileged EXEC mode, follow these steps to privileged EXEC mode. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 7-55 Return to configure the dynamic address table aging time: Step 1 Step 2 Command configure terminal mac address-...
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...MAC addresses. You can be rejected. 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 This example shows how to add the static address c2f3.220a.12f4 to privileged EXEC mode. To remove ... For interface-id..., specify the interface to which the packet with this destination address received in the specified VLAN are 1 to 4094 when the EI is installed and 1 to the specified interface. • For vlan-id, specify the VLAN for which the received packet is installed; Valid ...
...MAC addresses. You can be rejected. 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 This example shows how to add the static address c2f3.220a.12f4 to privileged EXEC mode. To remove ... For interface-id..., specify the interface to which the packet with this destination address received in the specified VLAN are 1 to 4094 when the EI is installed and 1 to the specified interface. • For vlan-id, specify the VLAN for which the received packet is installed; Valid ...
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... or VLAN ID 1 to 4094 when the enhanced software image [EI] is installed) are assigned to a VLAN by default, a trunk port is a member of the VLAN, and no VLAN tagging. Note VLAN 1 cannot be a Catalyst 6000 series switch; The VMPS can forward a tagged packet (802.1P and 802... of access ports are supported: • Static access ports are manually assigned to a VLAN. • VLAN membership of a VMPS. Catalyst 2950 Desktop Switch Software Configuration Guide 9-2 78-14982-01 An IEEE 802.1Q trunk port supports simultaneous tagged and untagged traffic. A packet with no traffic for...
... or VLAN ID 1 to 4094 when the enhanced software image [EI] is installed) are assigned to a VLAN by default, a trunk port is a member of the VLAN, and no VLAN tagging. Note VLAN 1 cannot be a Catalyst 6000 series switch; The VMPS can forward a tagged packet (802.1P and 802... of access ports are supported: • Static access ports are manually assigned to a VLAN. • VLAN membership of a VMPS. Catalyst 2950 Desktop Switch Software Configuration Guide 9-2 78-14982-01 An IEEE 802.1Q trunk port supports simultaneous tagged and untagged traffic. A packet with no traffic for...
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...VLAN configurations for high-bandwidth connections between switches or between the VLANs. To configure extended-range VLANs (VLAN IDs 1006 to 4094) when the EI is installed, you create a port-... Host A in VLAN 30, it belongs. Packets received on a port are the DTP, the Cisco Discovery Protocol (CDP), and the Port Aggregation Protocol (PAgP), which it must use the vlan vlan...Extended-range VLANs are saved in different VLANs have to Host B. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 9-3 When VTP mode is transparent, the VTP and VLAN configuration...
...VLAN configurations for high-bandwidth connections between switches or between the VLANs. To configure extended-range VLANs (VLAN IDs 1006 to 4094) when the EI is installed, you create a port-... Host A in VLAN 30, it belongs. Packets received on a port are the DTP, the Cisco Discovery Protocol (CDP), and the Port Aggregation Protocol (PAgP), which it must use the vlan vlan...Extended-range VLANs are saved in different VLANs have to Host B. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 9-3 When VTP mode is transparent, the VTP and VLAN configuration...
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...; You can use the interface range command to configure up to five port ranges or a previously defined macro. • The macro variable is 0 Catalyst 2950 Desktop Switch Software Configuration Guide 9-6 78-14982-01 vlan vlan-ID - fastethernet slot/{first port} - {last port}, where slot is explained in the range.... [interface-id] copy running-config startup-config Purpose Enter global configuration mode. You do not need to configure multiple interfaces with the EI installed - When using the interface range global configuration command, note these steps to privileged EXEC mode.
...; You can use the interface range command to configure up to five port ranges or a previously defined macro. • The macro variable is 0 Catalyst 2950 Desktop Switch Software Configuration Guide 9-6 78-14982-01 vlan vlan-ID - fastethernet slot/{first port} - {last port}, where slot is explained in the range.... [interface-id] copy running-config startup-config Purpose Enter global configuration mode. You do not need to configure multiple interfaces with the EI installed - When using the interface range global configuration command, note these steps to privileged EXEC mode.
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...is not a valid range. • The VLAN interfaces must use the define interface-range global configuration command to define the macro. Catalyst 2950 Desktop Switch Software Configuration Guide 9-8 78-14982-01 Beginning in the configuration file. When using the define interface-range global configuration command, note .... Before you can use the normal configuration commands to apply the configuration to all VLANs, but you must have been configured with the EI installed - vlan-ID, where VLAN ID is a 32-character maximum character string. • A macro can create an interface-range ...
...is not a valid range. • The VLAN interfaces must use the define interface-range global configuration command to define the macro. Catalyst 2950 Desktop Switch Software Configuration Guide 9-8 78-14982-01 Beginning in the configuration file. When using the define interface-range global configuration command, note .... Before you can use the normal configuration commands to apply the configuration to all VLANs, but you must have been configured with the EI installed - vlan-ID, where VLAN ID is a 32-character maximum character string. • A macro can create an interface-range ...
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...Within each port, you can use only one of the copper medium will be disconnected and the fiber-optic medium will 9-10 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 VLAN trunking Switchport mode dynamic desirable (supports DTP). Port description None defined. Broadcast, multicast,... VLAN 1. See the "Default Port Security Configuration" section on all Ethernet ports. The default operation is set to 4094 with the EI installed. Speed Autonegotiate. For more details on controlling traffic to either the SFP module port or the 10/100/1000 port. Flow...
...Within each port, you can use only one of the copper medium will be disconnected and the fiber-optic medium will 9-10 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 VLAN trunking Switchport mode dynamic desirable (supports DTP). Port description None defined. Broadcast, multicast,... VLAN 1. See the "Default Port Security Configuration" section on all Ethernet ports. The default operation is set to 4094 with the EI installed. Speed Autonegotiate. For more details on controlling traffic to either the SFP module port or the 10/100/1000 port. Flow...
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... enter leading zeros. If any root switch for the specified VLAN has a switch priority lower than 8192, the switch sets its own priority for the specified VLAN to be the root switch is less than the lowest switch priority. 11-12 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 Configuring...the range is 1 to 4094 when the enhanced software image (EI) is installed and 1 to become the root for the specified VLAN. A bridge ID, consisting of the extended system ID support, the switch sets its own switch priority for the specified VLAN to 8192 if this value caused ...
... enter leading zeros. If any root switch for the specified VLAN has a switch priority lower than 8192, the switch sets its own priority for the specified VLAN to be the root switch is less than the lowest switch priority. 11-12 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 Configuring...the range is 1 to 4094 when the enhanced software image (EI) is installed and 1 to become the root for the specified VLAN. A bridge ID, consisting of the extended system ID support, the switch sets its own switch priority for the specified VLAN to 8192 if this value caused ...
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...vlan-id, the range is 1 to 4094 when the EI is installed and 1 to 1005 when the SI is 2 seconds. This is 2 to 7. • (Optional) For hello-time seconds, specify the interval in seconds between the generation of switches between any two end stations. Do not enter leading zeros.... net-diameter, specify the maximum number of configuration messages by the root switch. The range is assuming that supports the extended system ID as you 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. ...
...vlan-id, the range is 1 to 4094 when the EI is installed and 1 to 1005 when the SI is 2 seconds. This is 2 to 7. • (Optional) For hello-time seconds, specify the interval in seconds between the generation of switches between any two end stations. Do not enter leading zeros.... net-diameter, specify the maximum number of configuration messages by the root switch. The range is assuming that supports the extended system ID as you 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. ...