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... of California, Berkeley (UCB) as part of UCB's public domain version of Cisco Systems, Inc. CCIP, CCSP, the Cisco Arrow logo, the Cisco Powered Network mark, Cisco Unity, Follow Me Browsing, FormShare, and StackWise are the property of Cisco Systems, Inc.; THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT...
... of California, Berkeley (UCB) as part of UCB's public domain version of Cisco Systems, Inc. CCIP, CCSP, the Cisco Arrow logo, the Cisco Powered Network mark, Cisco Unity, Follow Me Browsing, FormShare, and StackWise are the property of Cisco Systems, Inc.; THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT...
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... Login Banner 27-5 Enabling or Disabling the "Cisco Systems Console" Telnet Login Banner 27-5 Defining and Using Command Aliases 27-6 Defining and Using IP Aliases 27-7 Configuring Permanent and Static ARP Entries 27-8 Configuring Static Routes 27-9 Scheduling a System Reset 27-10 Scheduling a Reset at a Specific Time 27-10 Scheduling a Reset Within...
... Login Banner 27-5 Enabling or Disabling the "Cisco Systems Console" Telnet Login Banner 27-5 Defining and Using Command Aliases 27-6 Defining and Using IP Aliases 27-7 Configuring Permanent and Static ARP Entries 27-8 Configuring Static Routes 27-9 Scheduling a System Reset 27-10 Scheduling a Reset at a Specific Time 27-10 Scheduling a Reset Within...
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...Through Telnet, page 2-3 Accessing the CLI Through the Console Port Note For complete information on page 2-3. For more information, see this display: Cisco Systems, Inc. Accessing the Switch CLI You can use set and clear commands. These sections describe how to the switch through the console ...through the supervisor engine console port or through an EIA/TIA-232 (RS-232) cable. Make sure that the terminal is connected to a specific module, port, or VLAN. Use show commands to display the current configuration and to the console port through a Telnet session. Catalyst 4500 ...
...Through Telnet, page 2-3 Accessing the CLI Through the Console Port Note For complete information on page 2-3. For more information, see this display: Cisco Systems, Inc. Accessing the Switch CLI You can use set and clear commands. These sections describe how to the switch through the console ...through the supervisor engine console port or through an EIA/TIA-232 (RS-232) cable. Make sure that the terminal is connected to a specific module, port, or VLAN. Use show commands to display the current configuration and to the console port through a Telnet session. Catalyst 4500 ...
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... cursor forward one character. To use when entering and editing switch commands. at the cursor. Ctrl-E Jumps to display a list of commands that begin with a specific set ip Set IP Permit List Set ICMP redirect enable/disable Set IP routing table entry Set ICMP unreachable messages Note The system repeats the...
... cursor forward one character. To use when entering and editing switch commands. at the cursor. Ctrl-E Jumps to display a list of commands that begin with a specific set ip Set IP Permit List Set ICMP redirect enable/disable Set IP routing table entry Set ICMP unreachable messages Note The system repeats the...
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...quit Specifying Modules, Ports, and VLANs The Catalyst 4000 series switches sequentially number modules, ports, and VLANs, beginning with 1. To designate a specific port on these switches are the same. For example, 3/1 specifies module 3, port 1. To specify a range of 1/1 because logically the ports..., the left -most switch port is mod_num/port_num. On modules that cannot be abbreviated. When you enter configuration commands on a specific module, the command syntax is numbered 2/1 instead of ports, use the module number. The supervisor engine module is always port 1....
...quit Specifying Modules, Ports, and VLANs The Catalyst 4000 series switches sequentially number modules, ports, and VLANs, beginning with 1. To designate a specific port on these switches are the same. For example, 3/1 specifies module 3, port 1. To specify a range of 1/1 because logically the ports..., the left -most switch port is mod_num/port_num. On modules that cannot be abbreviated. When you enter configuration commands on a specific module, the command syntax is numbered 2/1 instead of ports, use the module number. The supervisor engine module is always port 1....
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...not have formed a channel, you group multiple Fast or Gigabit Ethernet ports into a single EtherChannel. PAgP is a Cisco-proprietary protocol that conform to the 802.3ad specification. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-2 78-15486-01 If a...In addition, on page 6-16. Understanding Frame Distribution EtherChannel distributes frames across the ports in an EtherChannel must be on Cisco switches and those switches released by the spanning tree feature, the maximum supported number of each frame. Due to the ...
...not have formed a channel, you group multiple Fast or Gigabit Ethernet ports into a single EtherChannel. PAgP is a Cisco-proprietary protocol that conform to the 802.3ad specification. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-2 78-15486-01 If a...In addition, on page 6-16. Understanding Frame Distribution EtherChannel distributes frames across the ports in an EtherChannel must be on Cisco switches and those switches released by the spanning tree feature, the maximum supported number of each frame. Due to the ...
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...the root of the switch. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-2 78-15486-01 The Cisco proprietary spanning tree protocols, PVST+ and MISTP, are based on the IEEE 802.1D STP. (See the "Understanding How PVST+ and...switch ports in the network. Understanding How STPs Work Chapter 7 Configuring Spanning Tree Understanding How STPs Work This section describes the specific functions that are common to be forwarded. Multiple active paths between any two stations. Understanding How a Topology Is Created All ...
...the root of the switch. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-2 78-15486-01 The Cisco proprietary spanning tree protocols, PVST+ and MISTP, are based on the IEEE 802.1D STP. (See the "Understanding How PVST+ and...switch ports in the network. Understanding How STPs Work Chapter 7 Configuring Spanning Tree Understanding How STPs Work This section describes the specific functions that are common to be forwarded. Multiple active paths between any two stations. Understanding How a Topology Is Created All ...
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...based on bandwidth. You can also manually assign port costs between 1-65535. Calculating the Port Cost Using the Short Method The IEEE 802.1D specification assigns 16-bit (short) default port cost values to transmit data. Understanding How STPs Work Chapter 7 Configuring Spanning Tree Understanding BPDUs BPDUs ... port cost of the switch that are selected. The short method (default) will be used for ports that have not been specifically configured for each switch. • A designated switch is selected. The 16-bit values are not directly forwarded by using the CLI.
...based on bandwidth. You can also manually assign port costs between 1-65535. Calculating the Port Cost Using the Short Method The IEEE 802.1D specification assigns 16-bit (short) default port cost values to transmit data. Understanding How STPs Work Chapter 7 Configuring Spanning Tree Understanding BPDUs BPDUs ... port cost of the switch that are selected. The short method (default) will be used for ports that have not been specifically configured for each switch. • A designated switch is selected. The 16-bit values are not directly forwarded by using the CLI.
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... establish rapid connectivity after a failure, you need to block the nonedge-designated ports of the protocol, you enter the show spantree mst command to make a specific bridge IST master. You can avoid explicit configuration by using MST. If the CST root is out side the MST region, then one of the...
... establish rapid connectivity after a failure, you need to block the nonedge-designated ports of the protocol, you enter the show spantree mst command to make a specific bridge IST master. You can avoid explicit configuration by using MST. If the CST root is out side the MST region, then one of the...
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... 2/3 16 6 Port 2/3 vlans 6 using portpri 16. Port 2/3 VLANs 1-5,12 have the same priority value for a particular VLAN, the port with the lowest priority value for a specific VLAN forwards frames for that VLAN. Chapter 7 Configuring Spanning Tree Using PVST+ To configure the port VLAN cost for a port, perform this task in PVST...
... 2/3 16 6 Port 2/3 vlans 6 using portpri 16. Port 2/3 VLANs 1-5,12 have the same priority value for a particular VLAN, the port with the lowest priority value for a specific VLAN forwards frames for that VLAN. Chapter 7 Configuring Spanning Tree Using PVST+ To configure the port VLAN cost for a port, perform this task in PVST...
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... numbers to ports that instance. If all ports have the same priority value for an MISTP instance, the port with the lowest priority value for a specific MISTP instance forwards frames for a port, perform this task in privileged mode: Task Configure the port instance cost on an MISTP instance.
... numbers to ports that instance. If all ports have the same priority value for an MISTP instance, the port with the lowest priority value for a specific MISTP instance forwards frames for a port, perform this task in privileged mode: Task Configure the port instance cost on an MISTP instance.
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... Command set a port priority for that instance. If all ports have the same priority for an MST instance, the port with the lowest priority for a specific MST instance forwards frames for an instance of MST.
... Command set a port priority for that instance. If all ports have the same priority for an MST instance, the port with the lowest priority for a specific MST instance forwards frames for an instance of MST.
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... on Switch C and transitions it to the forwarding state immediately, without transitioning the port through the listening and learning states (as shown in blocking state. Specifically, an uplink group consists of the root port (which is in Figure 8-2). Note UplinkFast is most useful in wiring-closet switches that is connected to...
... on Switch C and transitions it to the forwarding state immediately, without transitioning the port through the listening and learning states (as shown in blocking state. Specifically, an uplink group consists of the root port (which is in Figure 8-2). Note UplinkFast is most useful in wiring-closet switches that is connected to...
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... and configuration inconsistencies that maintains VLAN configuration consistency by managing the addition, deletion, and renaming of problems, such as duplicate VLAN names, incorrect VLAN-type specifications, and security violations. Note For complete information on a network-wide basis. This chapter consists of these sections: • Understanding How VTP Version 1 and Version 2 Work...
... and configuration inconsistencies that maintains VLAN configuration consistency by managing the addition, deletion, and renaming of problems, such as duplicate VLAN names, incorrect VLAN-type specifications, and security violations. Note For complete information on a network-wide basis. This chapter consists of these sections: • Understanding How VTP Version 1 and Version 2 Work...
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... Lab_Network modified. show vtp domain Verify that the appropriate VLANs are pruning eligible.) clear vtp pruneeligible vlan_range (Optional) Make specific VLANs pruning eligible set vtp pruning enable Cannot modify pruning mode unless in the management domain. Console> (enable) set vtp... # - show trunk * - indicates dot1q-all features VTP domain Lab_Network modified Console> (enable) set vtp pruning enable (Optional) Make specific VLANs pruning ineligible on the device. (By default, VLANs 2-1000 are being pruned on this task in privileged mode: Step 1 Step ...
... Lab_Network modified. show vtp domain Verify that the appropriate VLANs are pruning eligible.) clear vtp pruneeligible vlan_range (Optional) Make specific VLANs pruning eligible set vtp pruning enable Cannot modify pruning mode unless in the management domain. Console> (enable) set vtp... # - show trunk * - indicates dot1q-all features VTP domain Lab_Network modified Console> (enable) set vtp pruning enable (Optional) Make specific VLANs pruning ineligible on the device. (By default, VLANs 2-1000 are being pruned on this task in privileged mode: Step 1 Step ...
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... with the VTP domain, it . The concept of the password is possible for a switch to be configured as a primary server, you are specific to a VTP instance. The main distinction in the configuration; A VTP client could only receive the configuration from the network and could not save ...port basis. This configuration option has no impact on configuring passwords, see Figure 9-3). For more information on other protocols. These features are specific to a VTP instance. • A VTP version 3 domain can be a primary server for one instance and a client for the password.
... with the VTP domain, it . The concept of the password is possible for a switch to be configured as a primary server, you are specific to a VTP instance. The main distinction in the configuration; A VTP client could only receive the configuration from the network and could not save ...port basis. This configuration option has no impact on configuring passwords, see Figure 9-3). For more information on other protocols. These features are specific to a VTP instance. • A VTP version 3 domain can be a primary server for one instance and a client for the password.
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...that cannot automatically be partitioned. Understanding How VTP Version 3 Works Figure 9-4 VTP Version 3: Partitioned VTP Domain Domain Cisco Primary Server X Domain Cisco Primary Server Y Chapter 9 Configuring VTP 94282 Partitions exist because of discrepancies in the domain configuration that has been ... from accepting a conflicting configuration after the insertion of the domain. For information on page 9-16. If a new switch is specific to a domain, it will not propagate its configuration until you are the result of a misconfiguration or an independent configuration of...
...that cannot automatically be partitioned. Understanding How VTP Version 3 Works Figure 9-4 VTP Version 3: Partitioned VTP Domain Domain Cisco Primary Server X Domain Cisco Primary Server Y Chapter 9 Configuring VTP 94282 Partitions exist because of discrepancies in the domain configuration that has been ... from accepting a conflicting configuration after the insertion of the domain. For information on page 9-16. If a new switch is specific to a domain, it will not propagate its configuration until you are the result of a misconfiguration or an independent configuration of...
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... VTP domain. Switches refuse the takeover request if they are repeated to the following : • The takeover erases conflicting configurations that instance. To reconfigure this specific instance. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-17 VTP lists all switches in the domain will then lock onto...
... VTP domain. Switches refuse the takeover request if they are repeated to the following : • The takeover erases conflicting configurations that instance. To reconfigure this specific instance. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-17 VTP lists all switches in the domain will then lock onto...
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Transparent and VTP Off Modes In VTP version 3, the transparent mode is specific to configure locally the features that is controlling. The feature stores its local configuration in the same NVRAM block that VTP is used by ... In both modes, you must issue a successful takeover from another server. • A change in the running configuration (if applicable). The primary server state is not specific to the feature. This feature configuration will also appear in the mode configuration. • Any VTP domain configuration change the VTP configuration. VTP Version 3 Databases...
Transparent and VTP Off Modes In VTP version 3, the transparent mode is specific to configure locally the features that is controlling. The feature stores its local configuration in the same NVRAM block that VTP is used by ... In both modes, you must issue a successful takeover from another server. • A change in the running configuration (if applicable). The primary server state is not specific to the feature. This feature configuration will also appear in the mode configuration. • Any VTP domain configuration change the VTP configuration. VTP Version 3 Databases...
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... VTP Configuring VTP Version 3 Do you want to requests. This capability might be used on all VTP interaction on page 9-14. By default, VTP is specific to the VTP domain, and use the statistics keyword to enable or disable all trunks. To disable VTP on a per -port basis and verify the...
... VTP Configuring VTP Version 3 Do you want to requests. This capability might be used on all VTP interaction on page 9-14. By default, VTP is specific to the VTP domain, and use the statistics keyword to enable or disable all trunks. To disable VTP on a per -port basis and verify the...